@import "https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@300;400;500;600;700;800&family=Inter:wght@400;500;600;700;800&display=swap";
:root {
  --lightningcss-light: ;
  --lightningcss-dark: initial;
  color-scheme: dark;
  --primary: #5e6ad2;
  --primary-light: #8b92ea;
  --primary-dark: #4651b8;
  --primary-gradient: linear-gradient(
    135deg,
    #5e6ad2 0%,
    #8b92ea 54%,
    #55d6be 100%
  );
  --accent-reading: #55d6be;
  --accent-reading-light: #9be7d8;
  --accent-listening: #ff9f6e;
  --accent-listening-light: #ffd0b8;
  --accent-speaking: #63a7ff;
  --accent-speaking-light: #a7cbff;
  --accent-writing: #f472b6;
  --accent-writing-light: #fdb0d8;
  --accent-grammar: #f6c85f;
  --accent-grammar-light: #ffe29b;
  --success: #55d6be;
  --success-light: #55d6be24;
  --error: #ff6b7a;
  --error-light: #ff6b7a24;
  --warning: #f6c85f;
  --warning-light: #f6c85f29;
  --info: #63a7ff;
  --info-light: #63a7ff24;
  --bg-primary: #050506;
  --bg-deep: #020203;
  --bg-secondary: #ffffff0d;
  --bg-card: #ffffff0e;
  --bg-card-strong: #ffffff14;
  --bg-sidebar: #06070ce0;
  --bg-sidebar-hover: #ffffff12;
  --bg-header: #07080db8;
  --bg-input: #fff1;
  --select-menu-bg: #101117;
  --select-menu-bg-hover: #1a1d29;
  --select-menu-text: #f4f5f8;
  --text-primary: #ededef;
  --text-secondary: #a8adb7;
  --text-muted: #757b88;
  --text-sidebar: #ededefb8;
  --text-sidebar-active: #fff;
  --border-color: #ffffff14;
  --border-light: #ffffff0e;
  --border-hover: #ffffff24;
  --border-accent: #5e6ad261;
  --shadow-sm: 0 0 0 1px #ffffff0e, 0 8px 22px #00000038;
  --shadow-md: 0 0 0 1px #ffffff12, 0 18px 44px #00000047;
  --shadow-lg: 0 0 0 1px #ffffff14, 0 24px 70px #0000005c, 0 0 70px #5e6ad214;
  --shadow-xl: 0 0 0 1px #ffffff1a, 0 32px 90px #00000075, 0 0 100px #55d6be14;
  --shadow-card: var(--shadow-md);
  --shadow-card-hover:
    0 0 0 1px #ffffff21, 0 24px 64px #0000006b, 0 0 80px #5e6ad21f;
  --shadow-accent:
    0 0 0 1px #5e6ad275, 0 10px 24px #5e6ad23d, inset 0 1px 0 #ffffff38;
  --glass-bg: linear-gradient(180deg, #ffffff14, #ffffff06);
  --glass-border: #ffffff17;
  --glass-blur: blur(24px);
  --font-family:
    "Be Vietnam Pro", "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.5rem;
  --fs-2xl: 1.875rem;
  --fs-3xl: 2.4rem;
  --fs-4xl: clamp(2.5rem, 6vw, 4.9rem);
  --fw-normal: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-extrabold: 800;
  --lh-tight: 1.08;
  --lh-normal: 1.5;
  --lh-relaxed: 1.7;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;
  --sidebar-width: 286px;
  --sidebar-collapsed: 76px;
  --header-height: 68px;
  --content-max-width: 1240px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.16s var(--ease-out);
  --transition-base: 0.26s var(--ease-out);
  --transition-slow: 0.42s var(--ease-out);
  --transition-spring: 0.3s var(--ease-out);
}
[data-theme="light"] {
  --lightningcss-light: initial;
  --lightningcss-dark: ;
  color-scheme: light;
  --bg-primary: #f6f7fb;
  --bg-deep: #eceff6;
  --bg-secondary: #ffffffd1;
  --bg-card: #ffffffdb;
  --bg-card-strong: #fff;
  --bg-sidebar: #ffffffe6;
  --bg-sidebar-hover: #0f172a0e;
  --bg-header: #ffffffc7;
  --bg-input: #0f172a0e;
  --select-menu-bg: #fff;
  --select-menu-bg-hover: #eef1f8;
  --select-menu-text: #171923;
  --text-primary: #171923;
  --text-secondary: #525866;
  --text-muted: #8a92a3;
  --text-sidebar: #171923b8;
  --text-sidebar-active: #171923;
  --border-color: #1018281a;
  --border-light: #10182813;
  --border-hover: #1018282b;
  --border-accent: #5e6ad257;
  --shadow-sm: 0 0 0 1px #1018280b, 0 8px 22px #10182812;
  --shadow-md: 0 0 0 1px #1018280f, 0 18px 40px #1018281a;
  --shadow-lg: 0 0 0 1px #10182813, 0 24px 60px #10182821, 0 0 60px #5e6ad214;
  --shadow-xl: 0 0 0 1px #10182814, 0 30px 80px #1018282e;
  --shadow-card: var(--shadow-md);
  --shadow-card-hover:
    0 0 0 1px #1018281a, 0 24px 56px #10182829, 0 0 60px #5e6ad21a;
  --glass-bg: linear-gradient(180deg, #ffffffeb, #ffffffad);
  --glass-border: #10182814;
}
*,
:before,
:after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  font-size: 16px;
}
body {
  font-family: var(--font-family);
  background:
    radial-gradient(ellipse at top, #5e6ad229 0%, #05050600 42%),
    linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-deep) 100%);
  color: var(--text-primary);
  line-height: var(--lh-normal);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}
[data-theme="dark"] body {
  background:
    radial-gradient(ellipse at top, #5e6ad229 0%, #05050600 42%),
    linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-deep) 100%) !important;
  background-color: var(--bg-primary) !important;
  color: var(--text-primary) !important;
}
body:before,
body:after {
  content: "";
  pointer-events: none;
  z-index: -1;
  position: fixed;
  inset: 0;
}
body:before {
  background-image:
    linear-gradient(#ffffff06 1px, #0000 1px),
    linear-gradient(90deg, #ffffff06 1px, #0000 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(#000000bf, #0000 76%);
  mask-image: linear-gradient(#000000bf, #0000 76%);
}
body:after {
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 120 120' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='.16'/%3E%3C/svg%3E");
}
a {
  color: var(--primary-light);
  transition:
    color var(--transition-fast),
    background var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
  text-decoration: none;
}
a:hover {
  color: var(--text-primary);
}
img {
  max-width: 100%;
  display: block;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--text-primary);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-tight);
  letter-spacing: 0;
}
h1 {
  font-size: var(--fs-3xl);
}
h2 {
  font-size: var(--fs-2xl);
}
h3 {
  font-size: var(--fs-xl);
}
h4 {
  font-size: var(--fs-lg);
}
p {
  color: var(--text-secondary);
  line-height: var(--lh-relaxed);
}
button,
input,
select,
textarea {
  font: inherit;
}
button {
  color: inherit;
  cursor: pointer;
  border: 0;
  outline: none;
}
select {
  background-color: var(--bg-input);
  color: var(--text-primary);
  --lightningcss-light: ;
  --lightningcss-dark: initial;
  color-scheme: dark;
}
select option,
select optgroup {
  background-color: var(--select-menu-bg) !important;
  color: var(--select-menu-text) !important;
}
select option:checked {
  background-color: var(--primary) !important;
  color: #fff !important;
}
select option:hover,
select option:focus {
  background-color: var(--select-menu-bg-hover) !important;
  color: var(--select-menu-text) !important;
}
[data-theme="light"] select {
  --lightningcss-light: initial;
  --lightningcss-dark: ;
  color-scheme: light;
}
:where(a, button, input, select, textarea):focus-visible {
  outline-offset: 3px;
  outline: 2px solid #5e6ad29e;
}
::selection {
  color: #fff;
  background: #5e6ad261;
}
.app {
  min-height: 100vh;
  display: flex;
}
.app-main {
  margin-left: var(--sidebar-width);
  min-width: 0;
  transition: margin-left var(--transition-base);
  flex-direction: column;
  flex: 1;
  display: flex;
}
.app-main.sidebar-collapsed {
  margin-left: var(--sidebar-collapsed);
}
.app-content {
  max-width: var(--content-max-width);
  padding: calc(var(--header-height) + var(--space-8)) var(--space-8)
    var(--space-10);
  flex: 1;
  width: 100%;
  margin: 0 auto;
}
@media (width<=992px) {
  .app-main {
    margin-left: 0 !important;
  }
  .app-content {
    padding-inline: var(--space-5);
  }
}
@media (width<=600px) {
  .app,
  .app-main,
  .app-content {
    width: 100vw;
    max-width: 100vw;
    overflow-x: hidden;
  }
  .app-content {
    padding: calc(var(--header-height) + var(--space-5)) var(--space-4)
      var(--space-8);
  }
}
.card,
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}
.card:before,
.glass-card:before {
  content: "";
  opacity: 0.8;
  background: linear-gradient(90deg, #0000, #ffffff29, #0000);
  height: 1px;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
}
.card {
  transition:
    transform var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background var(--transition-base);
}
.card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}
.card-body {
  padding: var(--space-6);
}
.glass-card {
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
}
.btn {
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  align-items: center;
  gap: var(--space-2);
  min-height: 42px;
  padding: var(--space-3) var(--space-6);
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    background var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast);
  white-space: nowrap;
  justify-content: center;
  display: inline-flex;
  position: relative;
  overflow: hidden;
}
.btn:before {
  content: "";
  transition: transform var(--transition-slow);
  background: linear-gradient(110deg, #0000, #ffffff3d, #0000);
  position: absolute;
  inset: 0;
  transform: translate(-120%);
}
.btn:hover:before {
  transform: translate(120%);
}
.btn:active {
  transform: scale(0.98);
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  box-shadow: var(--shadow-accent);
  color: #fff;
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: #fff;
  transform: translateY(-2px);
}
.btn-secondary,
.btn-outline {
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  background: #ffffff0e;
  box-shadow: inset 0 1px #ffffff14;
}
.btn-secondary:hover,
.btn-outline:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
  background: #ffffff16;
  transform: translateY(-2px);
}
.btn-success {
  background: linear-gradient(
    135deg,
    var(--accent-reading),
    var(--accent-reading-light)
  );
  color: #06110f;
}
.btn-danger {
  color: #1a0704;
  background: linear-gradient(135deg, #ff7a66, #ffb19f);
}
.btn-warning {
  background: linear-gradient(
    135deg,
    var(--accent-grammar),
    var(--accent-grammar-light)
  );
  color: #1a1405;
}
.btn-info {
  background: linear-gradient(
    135deg,
    var(--accent-speaking),
    var(--accent-speaking-light)
  );
  color: #06101f;
}
.btn-lg {
  border-radius: var(--radius-md);
  font-size: var(--fs-base);
  min-height: 50px;
  padding: var(--space-4) var(--space-8);
}
.btn-sm {
  min-height: 34px;
  padding: var(--space-2) var(--space-4);
  font-size: var(--fs-xs);
}
.btn-icon {
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  width: 40px;
  min-height: 0;
  padding: 0;
}
.badge {
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  border: 1px solid;
  align-items: center;
  padding: 2px 10px;
  display: inline-flex;
}
.badge-primary {
  color: var(--primary-light);
  background: #5e6ad224;
}
.badge-success {
  background: var(--success-light);
  color: var(--success);
}
.grid {
  gap: var(--space-6);
  display: grid;
}
.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
@media (width<=1100px) {
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (width<=900px) {
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (width<=640px) {
  .grid-4,
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }
}
.flex {
  display: flex;
}
.flex-col {
  flex-direction: column;
}
.flex-center {
  justify-content: center;
  align-items: center;
}
.flex-between {
  justify-content: space-between;
  align-items: center;
}
.gap-2 {
  gap: var(--space-2);
}
.gap-4 {
  gap: var(--space-4);
}
.gap-6 {
  gap: var(--space-6);
}
.text-center {
  text-align: center;
}
.text-muted {
  color: var(--text-muted);
}
.text-sm {
  font-size: var(--fs-sm);
}
@keyframes fadeIn {
  0% {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes slideInLeft {
  0% {
    opacity: 0;
    transform: translate(-12px);
  }
  to {
    opacity: 1;
    transform: translate(0);
  }
}
@keyframes shimmer {
  0% {
    background-position: 0%;
  }
  to {
    background-position: 200%;
  }
}
.animate-fade-in {
  animation: fadeIn 0.52s var(--ease-out) both;
}
.animate-slide-in {
  animation: slideInLeft 0.42s var(--ease-out) both;
}
@media (prefers-reduced-motion: reduce) {
  *,
  :before,
  :after {
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
  }
}
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: 0 0;
}
::-webkit-scrollbar-thumb {
  border-radius: var(--radius-full);
  background: #ffffff2e;
}
::-webkit-scrollbar-thumb:hover {
  background: #ffffff47;
}
.sidebar {
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  transition:
    width var(--transition-base),
    transform var(--transition-base);
  width: var(--sidebar-width);
  z-index: 100;
  flex-direction: column;
  display: flex;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  overflow: hidden;
}
.sidebar:before {
  content: "";
  pointer-events: none;
  background:
    radial-gradient(circle at 0 0, #5e6ad22e, #0000 38%),
    linear-gradient(#ffffff0e, #0000 34%);
  position: absolute;
  inset: 0;
}
.sidebar.collapsed {
  width: var(--sidebar-collapsed);
}
.sidebar.collapsed .sidebar-text,
.sidebar.collapsed .sidebar-brand-text,
.sidebar.collapsed .sidebar-section-title,
.sidebar.collapsed .nav-arrow {
  display: none;
}
.sidebar.collapsed .sidebar-brand {
  padding: var(--space-5) var(--space-4);
  justify-content: center;
}
.sidebar.collapsed .nav-item a {
  padding: var(--space-3);
  justify-content: center;
}
.sidebar.collapsed .nav-item a i {
  margin-right: 0;
}
.sidebar.collapsed .nav-sub,
.sidebar.collapsed .nav-item.open > .nav-sub {
  display: none !important;
}
.sidebar-brand {
  align-items: center;
  gap: var(--space-3);
  min-height: var(--header-height);
  padding: var(--space-4) var(--space-5);
  z-index: 1;
  border-bottom: 1px solid #ffffff13;
  text-decoration: none;
  display: flex;
  position: relative;
}
.sidebar-brand:hover .sidebar-brand-text {
  color: #fff;
}
.sidebar-brand-logo {
  flex-shrink: 0;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  display: flex;
  overflow: hidden;
  background: 0 0 !important;
  border: none !important;
  padding: 0 !important;
}
.sidebar-brand-logo img {
  object-fit: contain;
  width: 100%;
  height: 100%;
  display: block;
}
.sidebar-brand-text {
  color: #fff;
  font-size: var(--fs-base);
  font-weight: var(--fw-bold);
  flex-direction: column;
  line-height: 1.1;
  display: flex;
}
.sidebar-brand-text:after {
  color: #ffffff7a;
  content: "Exam studio";
  font-size: 0.68rem;
  font-weight: var(--fw-medium);
  margin-top: 4px;
}
.sidebar-nav {
  padding: var(--space-4) var(--space-3);
  z-index: 1;
  flex: 1;
  position: relative;
  overflow-y: auto;
}
.sidebar-section-title {
  color: #ededef5c;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: var(--fw-semibold);
  letter-spacing: 0;
  padding: var(--space-4) var(--space-3) var(--space-2);
  text-transform: uppercase;
}
.nav-item {
  margin-bottom: 2px;
}
.nav-item a {
  border-radius: var(--radius-md);
  color: var(--text-sidebar);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  align-items: center;
  gap: var(--space-3);
  min-height: 42px;
  padding: var(--space-3);
  transition:
    color var(--transition-fast),
    background var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast);
  border: 1px solid #0000;
  text-decoration: none;
  display: flex;
  position: relative;
}
.nav-item a:hover {
  background: var(--bg-sidebar-hover);
  color: #fff;
  border-color: #ffffff14;
}
.nav-item a.active {
  color: #fff;
  background: linear-gradient(135deg, #5e6ad238, #55d6be14);
  border-color: #5e6ad252;
  box-shadow: inset 0 1px #ffffff1a;
}
.nav-item a.active:before {
  background: linear-gradient(
    180deg,
    var(--primary-light),
    var(--accent-reading)
  );
  border-radius: var(--radius-full);
  content: "";
  width: 3px;
  height: 52%;
  position: absolute;
  top: 50%;
  left: -4px;
  transform: translateY(-50%);
}
.nav-item a i {
  text-align: center;
  flex-shrink: 0;
  width: 22px;
  font-size: 1.05rem;
}
.nav-arrow {
  transition: transform var(--transition-fast);
  margin-left: auto;
  font-size: 0.74rem;
}
.nav-item.open > a .nav-arrow {
  transform: rotate(90deg);
}
.nav-sub {
  padding-left: var(--space-2);
  margin: 2px 0 8px 34px;
  display: none;
  position: relative;
}
.nav-sub:before {
  content: "";
  background: #ffffff14;
  width: 1px;
  position: absolute;
  top: 5px;
  bottom: 5px;
  left: 0;
}
.nav-item.open > .nav-sub {
  display: block;
}
.nav-sub .nav-item a {
  font-size: var(--fs-xs);
  min-height: 36px;
  padding: var(--space-2) var(--space-3);
}
[data-theme="light"] .sidebar:before {
  background:
    radial-gradient(circle at 0 0, #5e6ad21f, #0000 38%),
    linear-gradient(#ffffffb8, #0000 34%);
}
[data-theme="light"] .sidebar-brand {
  border-bottom-color: #10182814;
}
[data-theme="light"] .sidebar-brand-logo {
  box-shadow: none !important;
  background: 0 0 !important;
  border: none !important;
}
[data-theme="light"] .sidebar-brand-text {
  color: var(--text-primary);
}
[data-theme="light"] .sidebar-brand:hover .sidebar-brand-text {
  color: var(--primary-dark);
}
[data-theme="light"] .sidebar-brand-text:after,
[data-theme="light"] .sidebar-section-title {
  color: #525866a3;
}
[data-theme="light"] .nav-item a:hover {
  background: var(--bg-sidebar-hover);
  color: var(--text-primary);
  border-color: #10182814;
}
[data-theme="light"] .nav-item a.active {
  color: var(--text-sidebar-active);
  background: linear-gradient(135deg, #5e6ad224, #55d6be1a);
  border-color: #5e6ad23d;
  box-shadow: inset 0 1px #ffffff9e;
}
[data-theme="light"] .nav-sub:before {
  background: #10182817;
}
.header {
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  background: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  height: var(--header-height);
  left: var(--sidebar-width);
  padding: 0 var(--space-8);
  transition: left var(--transition-base);
  z-index: 90;
  justify-content: space-between;
  align-items: center;
  display: flex;
  position: fixed;
  top: 0;
  right: 0;
}
.header:before {
  content: "";
  background: linear-gradient(90deg, #0000, #ffffff14, #0000);
  height: 1px;
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
}
.header.sidebar-collapsed {
  left: var(--sidebar-collapsed);
}
@media (width<=992px) {
  .header {
    padding-inline: var(--space-5);
    left: 0 !important;
  }
}
@media (width<=600px) {
  .header {
    padding-inline: var(--space-4);
  }
}
.header-left,
.header-right {
  align-items: center;
  display: flex;
}
.header-left {
  gap: var(--space-4);
  min-width: 0;
}
.header-right {
  gap: var(--space-3);
}
.header-toggle,
.theme-toggle {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  height: 38px;
  transition:
    color var(--transition-fast),
    background var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast);
  background: #ffffff0e;
  justify-content: center;
  align-items: center;
  width: 38px;
  display: flex;
}
.header-toggle {
  font-size: 1.16rem;
}
.theme-toggle {
  font-size: 1rem;
}
.header-toggle:hover,
.theme-toggle:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
  background: #ffffff16;
  transform: translateY(-1px);
}
.breadcrumb {
  font-size: var(--fs-sm);
  align-items: center;
  gap: var(--space-2);
  white-space: nowrap;
  min-width: 0;
  display: flex;
}
.breadcrumb a {
  color: var(--text-muted);
}
.breadcrumb a:hover {
  color: var(--text-primary);
}
.breadcrumb span {
  color: var(--text-secondary);
}
.breadcrumb .sep {
  color: #ffffff3d;
}
body.focus-mode .breadcrumb {
  display: none;
}
body.focus-mode .header-left {
  gap: 0;
}
body.focus-mode .header-avatar {
  display: none !important;
}
.header-avatar {
  border-radius: var(--radius-md);
  color: #fff;
  cursor: pointer;
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  background: linear-gradient(135deg, #5e6ad2f2, #f472b6e0);
  border: 1px solid #ffffff24;
  justify-content: center;
  align-items: center;
  width: 38px;
  height: 38px;
  display: flex;
  box-shadow: inset 0 1px #fff3;
}
.app-footer {
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: var(--fs-sm);
  padding: var(--space-6) var(--space-8);
  text-align: center;
}
.sidebar-overlay {
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  z-index: 99;
  background: #00000094;
  display: none;
  position: fixed;
  inset: 0;
}
@media (width<=992px) {
  .sidebar {
    transform: translate(-100%);
  }
  .sidebar.mobile-open {
    transform: translate(0);
  }
  .sidebar.mobile-open + .sidebar-overlay {
    display: block;
  }
}
@media (width<=520px) {
  .breadcrumb {
    text-overflow: ellipsis;
    max-width: 54vw;
    overflow: hidden;
  }
  .header-avatar {
    display: none;
  }
}
.avatar-container {
  position: relative;
}
.avatar-dropdown {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 320px;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  flex-direction: column;
  animation: 0.2s cubic-bezier(0.16, 1, 0.3, 1) dropdownFadeIn;
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  overflow: hidden;
}
@keyframes dropdownFadeIn {
  0% {
    opacity: 0;
    transform: translateY(-8px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}
.avatar-dropdown .dropdown-header {
  padding: var(--space-3) var(--space-4);
  font-weight: var(--fw-bold);
  font-size: var(--fs-sm);
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  background: #ffffff05;
}
.avatar-dropdown .dropdown-body {
  max-height: 280px;
  padding: var(--space-2) 0;
  overflow-y: auto;
}
.dropdown-log-item {
  padding: var(--space-3) var(--space-4);
  color: var(--text-secondary);
  transition: background var(--transition-fast);
  border-bottom: 1px solid #ffffff0a;
  font-size: 0.82rem;
}
.dropdown-log-item:last-child {
  border-bottom: none;
}
.dropdown-log-item:hover {
  background: #ffffff08;
}
.dropdown-log-item .log-date {
  font-weight: var(--fw-bold);
  color: var(--primary-light);
  margin-bottom: 2px;
  display: block;
}
.dropdown-log-item .log-text {
  line-height: 1.4;
}
.dropdown-log-item .log-text a {
  color: var(--primary-light);
  text-decoration: none;
}
.dropdown-log-item .log-text a:hover {
  text-decoration: underline;
}
.dropdown-loading {
  justify-content: center;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-6);
  color: var(--text-muted);
  font-size: var(--fs-sm);
  display: flex;
}
.dropdown-loading i.spin {
  animation: 1s linear infinite spin;
}
@keyframes spin {
  0% {
    transform: rotate(0);
  }
  to {
    transform: rotate(360deg);
  }
}
.avatar-dropdown .dropdown-footer {
  padding: var(--space-2) var(--space-3);
  border-top: 1px solid var(--border-color);
  background: #ffffff05;
  display: flex;
}
.view-all-btn {
  width: 100%;
  padding: var(--space-2);
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-md);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  cursor: pointer;
  transition:
    background var(--transition-fast),
    transform var(--transition-fast);
  text-align: center;
  border: none;
}
.view-all-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}
.updates-modal-overlay {
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  z-index: 2000;
  width: 100%;
  height: 100%;
  padding: var(--space-4);
  background: #000000a3;
  justify-content: center;
  align-items: center;
  animation: 0.25s ease-out modalFadeIn;
  display: flex;
  position: fixed;
  top: 0;
  left: 0;
}
@keyframes modalFadeIn {
  0% {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
.updates-modal-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 640px;
  max-height: 80vh;
  box-shadow: var(--shadow-2xl);
  flex-direction: column;
  animation: 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) modalScaleUp;
  display: flex;
  overflow: hidden;
}
@keyframes modalScaleUp {
  0% {
    opacity: 0;
    transform: scale(0.92) translateY(12px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}
.updates-modal-header {
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--border-color);
  background: #ffffff03;
  justify-content: space-between;
  align-items: center;
  display: flex;
}
.updates-modal-title {
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  display: flex;
}
.status-badge {
  font-size: 0.68rem;
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 100px;
  padding: 2px 6px;
}
.status-badge.live {
  color: #4ade80;
  background: #4ade8026;
  border: 1px solid #4ade8040;
}
.status-badge.offline {
  color: #facc15;
  background: #facc1526;
  border: 1px solid #facc1540;
}
.updates-close-btn {
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--transition-fast);
  background: 0 0;
  border: none;
  font-size: 1.6rem;
  line-height: 1;
}
.updates-close-btn:hover {
  color: var(--text-primary);
}
.updates-modal-body {
  padding: var(--space-6);
  flex: 1;
  overflow-y: auto;
}
.updates-timeline {
  border-left: 2px solid var(--border-color);
  padding-left: var(--space-6);
  margin-left: var(--space-2);
  position: relative;
}
.timeline-item {
  margin-bottom: var(--space-6);
  position: relative;
}
.timeline-item:last-child {
  margin-bottom: 0;
}
.timeline-item:before {
  content: "";
  left: calc(var(--space-6) * -1 - 7px);
  background: var(--bg-card);
  border: 2px solid var(--primary-light);
  width: 12px;
  height: 12px;
  box-shadow: 0 0 0 4px var(--bg-card);
  transition: background var(--transition-fast);
  border-radius: 50%;
  position: absolute;
  top: 4px;
}
.timeline-item:hover:before {
  background: var(--primary-light);
}
.timeline-date {
  font-size: 0.78rem;
  font-weight: var(--fw-bold);
  color: var(--primary-light);
  margin-bottom: var(--space-1);
}
.timeline-content {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.6;
}
.timeline-content a {
  color: var(--primary-light);
  font-weight: var(--fw-medium);
  text-decoration: none;
}
.timeline-content a:hover {
  text-decoration: underline;
}
.home-hero {
  align-items: center;
  gap: var(--space-10);
  min-width: 0;
  min-height: auto;
  padding: var(--space-4) 0 var(--space-8);
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  display: grid;
  position: relative;
}
.home-hero:before {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  content: "";
  inset: var(--space-4) 0 auto 0;
  opacity: 0.58;
  pointer-events: none;
  background:
    linear-gradient(135deg, #5e6ad238, #0000 36%),
    linear-gradient(315deg, #55d6be21, #0000 42%);
  min-height: 72%;
  position: absolute;
}
.hero-content,
.hero-visual {
  z-index: 1;
  position: relative;
}
.hero-content {
  min-width: 0;
  max-width: 760px;
}
.hero-kicker {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  align-items: center;
  gap: var(--space-2);
  letter-spacing: 0;
  margin-bottom: var(--space-5);
  background: #ffffff0f;
  padding: 7px 12px;
  display: inline-flex;
  box-shadow: inset 0 1px #ffffff14;
}
.hero-kicker i {
  color: var(--accent-grammar);
}
.hero-title {
  background: linear-gradient(#fff 0%, #ededef 52%, #ededefb8 100%);
  color: #0000;
  font-size: var(--fs-4xl);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-5);
  overflow-wrap: break-word;
  -webkit-background-clip: text;
  background-clip: text;
  max-width: 820px;
  padding-top: 4px;
  line-height: 1.15;
}
.gradient-text {
  background: linear-gradient(
    90deg,
    var(--accent-reading),
    var(--primary-light),
    var(--accent-writing),
    var(--accent-reading)
  );
  color: #0000;
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  animation: 4s linear infinite shimmer;
}
.hero-subtitle {
  color: var(--text-secondary);
  font-size: var(--fs-md);
  margin-bottom: var(--space-6);
  overflow-wrap: break-word;
  max-width: 640px;
}
.hero-actions {
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
  display: flex;
}
.hero-stats {
  gap: var(--space-3);
  grid-template-columns: repeat(3, minmax(0, 150px));
  display: grid;
}
.hero-stats div {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  background: #ffffff0b;
  box-shadow: inset 0 1px #ffffff12;
}
.hero-stats strong {
  color: var(--text-primary);
  font-size: var(--fs-xl);
  margin-bottom: var(--space-2);
  line-height: 1;
  display: block;
}
.hero-stats span {
  color: var(--text-muted);
  font-size: var(--fs-xs);
  display: block;
}
.hero-visual {
  justify-content: center;
  align-items: center;
  min-width: 0;
  min-height: 460px;
  display: flex;
  overflow: hidden;
}
.hero-orbit {
  aspect-ratio: 1;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  background:
    linear-gradient(#ffffff17, #ffffff06),
    radial-gradient(circle at 50% 0, #5e6ad242, #0000 52%);
  place-items: center;
  width: min(100%, 430px);
  max-width: 430px;
  display: grid;
  position: relative;
}
.hero-orbit:before {
  border-radius: inherit;
  content: "";
  border: 1px solid #ffffff0f;
  position: absolute;
  inset: 16px;
}
.hero-orbit img {
  filter: drop-shadow(0 28px 48px #5e6ad252);
  opacity: 0.94;
  max-width: 74%;
}
.hero-panel {
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  color: var(--text-primary);
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: #090a10c7;
  display: flex;
  position: absolute;
}
[data-theme="light"] .hero-panel {
  background: #ffffffd6;
}
.hero-panel span {
  color: var(--text-muted);
  font-size: var(--fs-xs);
  display: block;
}
.hero-panel strong {
  color: var(--text-primary);
  font-size: var(--fs-sm);
  margin-top: 2px;
  display: block;
}
.hero-panel i {
  color: var(--accent-reading);
  font-size: 1.2rem;
}
.hero-panel-top {
  top: 74px;
  left: -18px;
}
.hero-panel-bottom {
  bottom: 66px;
  right: -10px;
}
.home-skills {
  margin-bottom: var(--space-8);
}
.skill-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  color: var(--text-primary);
  min-height: 276px;
  padding: var(--space-6);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base),
    background var(--transition-base);
  background: linear-gradient(#ffffff14, #ffffff07);
  flex-direction: column;
  text-decoration: none;
  display: flex;
  position: relative;
  overflow: hidden;
}
.skill-card:before {
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  content: "";
  opacity: 0.9;
  height: 2px;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
}
.skill-card:after {
  background: radial-gradient(
    circle at 30% 0%,
    color-mix(in srgb, var(--accent) 22%, transparent),
    transparent 54%
  );
  content: "";
  opacity: 0.58;
  pointer-events: none;
  position: absolute;
  inset: 0;
}
.skill-card:hover {
  border-color: color-mix(in srgb, var(--accent) 44%, var(--border-hover));
  box-shadow: var(--shadow-card-hover);
  color: var(--text-primary);
  background: linear-gradient(#ffffff18, #ffffff09);
  transform: translateY(-6px);
}
.skill-icon,
.skill-card h3,
.skill-card p,
.skill-actions {
  z-index: 1;
  position: relative;
}
.skill-icon {
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--accent) 86%, #fff),
    var(--accent-light)
  );
  box-shadow: 0 16px 30px color-mix(in srgb, var(--accent) 24%, transparent);
  color: #08100f;
  height: 56px;
  margin-bottom: var(--space-5);
  border: 1px solid #ffffff2e;
  border-radius: 12px;
  justify-content: center;
  align-items: center;
  width: 56px;
  font-size: 1.45rem;
  display: flex;
}
.skill-card h3 {
  color: var(--text-primary);
  font-size: var(--fs-xl);
  margin-bottom: var(--space-2);
}
.skill-card p {
  color: var(--text-secondary);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-5);
  flex: 1;
}
.skill-actions {
  gap: var(--space-2);
  flex-wrap: wrap;
  display: flex;
}
.skill-tag {
  background: color-mix(in srgb, var(--accent) 13%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
  border-radius: var(--radius-full);
  color: color-mix(in srgb, var(--accent-light) 86%, #fff);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  padding: 4px 10px;
}
.home-extras {
  margin-bottom: var(--space-8);
}
.extra-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  align-items: center;
  gap: var(--space-4);
  min-height: 94px;
  padding: var(--space-5);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base),
    background var(--transition-base);
  background: #ffffff0b;
  text-decoration: none;
  display: flex;
}
.extra-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
  background: #fff1;
  transform: translateY(-3px);
}
.extra-card > i {
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  color: var(--primary-light);
  background: #5e6ad221;
  flex-shrink: 0;
  justify-content: center;
  align-items: center;
  width: 46px;
  height: 46px;
  font-size: 1.35rem;
  display: flex;
}
.extra-card h4 {
  color: var(--text-primary);
  font-size: var(--fs-base);
  margin-bottom: 2px;
}
.extra-card p {
  color: var(--text-muted);
  font-size: var(--fs-xs);
  margin: 0;
}
@media (width<=1040px) {
  .home-hero {
    min-height: auto;
    padding-top: var(--space-8);
    grid-template-columns: 1fr;
  }
  .hero-visual {
    min-height: 360px;
  }
}
@media (width<=640px) {
  .home-hero {
    overflow: hidden;
  }
  .home-hero:before {
    inset-inline: -10px;
  }
  .hero-title {
    font-size: clamp(2.15rem, 12vw, 2.8rem);
    line-height: 1.08;
  }
  .hero-subtitle {
    font-size: var(--fs-base);
  }
  .hero-actions .btn {
    width: 100%;
    max-width: 100%;
  }
  .hero-stats {
    grid-template-columns: 1fr;
  }
  .hero-visual {
    min-height: 300px;
  }
  .hero-orbit {
    width: min(100%, 320px);
  }
  .hero-panel {
    display: none;
  }
}
.page-header {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  align-items: center;
  gap: var(--space-5);
  margin-bottom: var(--space-8);
  padding: var(--space-5);
  background: linear-gradient(#ffffff12, #ffffff06);
  display: flex;
  position: relative;
  overflow: hidden;
}
.page-header:after {
  content: "";
  pointer-events: none;
  background: linear-gradient(90deg, #5e6ad229, #55d6be14, #0000);
  position: absolute;
  inset: 0;
}
.page-header-icon {
  border-radius: var(--radius-md);
  color: #fff;
  z-index: 1;
  border: 1px solid #ffffff29;
  flex-shrink: 0;
  justify-content: center;
  align-items: center;
  width: 58px;
  height: 58px;
  font-size: 1.45rem;
  display: flex;
  position: relative;
  box-shadow:
    0 14px 34px #00000047,
    inset 0 1px #fff3;
}
.page-header > div:not(.page-header-icon) {
  z-index: 1;
  min-width: 0;
  position: relative;
}
.page-header h1 {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-1);
}
.page-header p {
  color: var(--text-secondary);
  font-size: var(--fs-sm);
  margin: 0;
}
.part-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  color: var(--text-primary);
  gap: var(--space-4);
  min-height: 230px;
  padding: var(--space-6);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base),
    background var(--transition-base);
  background: linear-gradient(#ffffff13, #ffffff07);
  flex-direction: column;
  text-decoration: none;
  display: flex;
  position: relative;
  overflow: hidden;
}
.part-card:before {
  background: linear-gradient(180deg, var(--part-color), transparent);
  content: "";
  opacity: 0.9;
  width: 3px;
  position: absolute;
  inset: 0 auto 0 0;
}
.part-card:after {
  background: radial-gradient(
    circle at 10% 0%,
    color-mix(in srgb, var(--part-color) 20%, transparent),
    transparent 50%
  );
  content: "";
  opacity: 0.68;
  pointer-events: none;
  position: absolute;
  inset: 0;
}
.part-card:hover {
  border-color: color-mix(
    in srgb,
    var(--part-color, var(--primary)) 42%,
    var(--border-hover)
  );
  box-shadow: var(--shadow-card-hover);
  color: var(--text-primary);
  background: linear-gradient(#ffffff17, #ffffff08);
  transform: translateY(-5px);
}
.part-card > * {
  z-index: 1;
  position: relative;
}
.part-card-top {
  align-items: center;
  gap: var(--space-3);
  justify-content: space-between;
  display: flex;
}
.part-num {
  background: color-mix(in srgb, var(--part-color) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--part-color) 28%, transparent);
  border-radius: var(--radius-full);
  color: color-mix(in srgb, var(--part-color) 84%, #fff);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  align-items: center;
  padding: 5px 13px;
  display: inline-flex;
}
.part-meta {
  color: var(--text-muted);
  font-size: var(--fs-xs);
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: flex-end;
  display: flex;
}
.part-meta i {
  margin-right: 3px;
}
.part-card h3 {
  color: var(--text-primary);
  font-size: var(--fs-lg);
}
.part-card p {
  color: var(--text-secondary);
  font-size: var(--fs-sm);
  margin: 0;
}
.part-card-action {
  border-top: 1px solid var(--border-light);
  color: var(--primary-light);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  padding-top: var(--space-4);
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  display: flex;
}
.part-card-action i {
  transition: transform var(--transition-fast);
}
.part-card:hover .part-card-action i {
  transform: translate(4px);
}
.part-card-buttons {
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: auto;
  display: flex;
}
.bode-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  color: var(--text-primary);
  align-items: center;
  gap: var(--space-4);
  min-height: 86px;
  padding: var(--space-4);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base),
    background var(--transition-base);
  background: #ffffff0c;
  text-decoration: none;
  display: flex;
}
.bode-card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-md);
  color: var(--text-primary);
  background: #ffffff12;
  transform: translateY(-3px);
}
.bode-number {
  background: var(--primary-gradient);
  border-radius: var(--radius-md);
  color: #fff;
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  border: 1px solid #ffffff29;
  flex-shrink: 0;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  display: flex;
  box-shadow:
    0 12px 24px #5e6ad233,
    inset 0 1px #ffffff2e;
}
.bode-icon {
  font-size: 1.08rem;
}
.bode-info {
  flex: 1;
  min-width: 0;
}
.bode-info h4 {
  color: var(--text-primary);
  font-size: var(--fs-sm);
  margin-bottom: 3px;
}
.bode-info p {
  color: var(--text-muted);
  font-size: var(--fs-xs);
  margin: 0;
}
.bode-arrow {
  color: var(--text-muted);
  transition:
    transform var(--transition-fast),
    color var(--transition-fast);
  font-size: 0.82rem;
}
.bode-card:hover .bode-arrow {
  color: var(--primary-light);
  transform: translate(4px);
}
@media (width<=640px) {
  .page-header {
    padding: var(--space-4);
    align-items: flex-start;
  }
  .page-header h1 {
    font-size: var(--fs-xl);
  }
  .part-card-top {
    flex-direction: column;
    align-items: flex-start;
  }
  .part-meta {
    justify-content: flex-start;
  }
}
.exam-review-page {
  max-width: var(--content-max-width);
  margin: 0 auto;
}
.exam-review-header {
  align-items: center;
}
.exam-review-header:after {
  background:
    radial-gradient(circle at 10% 0, #5e6ad240, #0000 42%),
    linear-gradient(90deg, #63a7ff1a, #55d6be0a, #0000 72%);
}
.exam-review-header-icon {
  background: linear-gradient(135deg, var(--primary), #63a7ff 58%, #55d6be);
}
.exam-review-eyebrow {
  color: var(--primary-light);
  font-size: 0.68rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 3px;
  display: block;
}
.exam-review-source {
  z-index: 1;
  flex-shrink: 0;
  margin-left: auto;
  position: relative;
}
.exam-review-layout {
  align-items: start;
  gap: var(--space-5);
  grid-template-columns: 230px minmax(0, 1fr);
  display: grid;
}
.exam-review-main {
  min-width: 0;
}
.exam-review-dates {
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  max-height: calc(100vh - var(--header-height) - 48px);
  top: calc(var(--header-height) + var(--space-5));
  position: sticky;
  overflow: hidden;
}
.exam-review-dates-heading {
  border-bottom: 1px solid var(--border-light);
  padding: var(--space-4);
  flex-direction: column;
  gap: 3px;
  display: flex;
}
.exam-review-dates-heading span {
  color: var(--text-primary);
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
}
.exam-review-dates-heading span i {
  color: var(--primary-light);
  margin-right: 7px;
}
.exam-review-dates-heading small {
  color: var(--text-muted);
  font-size: 0.68rem;
}
.review-date-archive {
  max-height: calc(100vh - var(--header-height) - 145px);
  padding: var(--space-2);
  scrollbar-color: var(--border-hover) transparent;
  scrollbar-width: thin;
  overflow-y: auto;
}
.review-year {
  border-top: 1px solid var(--border-light);
  margin-top: var(--space-2);
  padding-top: var(--space-2);
}
.review-year summary {
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  padding: 9px var(--space-3);
  justify-content: space-between;
  align-items: center;
  list-style: none;
  display: flex;
}
.review-year summary::-webkit-details-marker {
  display: none;
}
.review-year summary:hover {
  background: var(--bg-sidebar-hover);
  color: var(--text-primary);
}
.review-year summary i {
  transition: transform var(--transition-fast);
  font-size: 0.65rem;
}
.review-year[open] summary i {
  transform: rotate(180deg);
}
.review-year-dates {
  gap: 2px;
  margin-top: 3px;
  display: grid;
}
.review-date-item {
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: var(--fs-xs);
  min-height: 36px;
  padding: 0 var(--space-3);
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
  background: 0 0;
  border: 1px solid #0000;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  display: flex;
}
.review-date-item:hover {
  background: var(--bg-sidebar-hover);
  color: var(--text-primary);
}
.review-date-item.is-active {
  border-color: var(--border-accent);
  color: var(--text-primary);
  background: linear-gradient(135deg, #5e6ad22e, #55d6be14);
}
.review-date-item strong {
  background: var(--bg-input);
  border-radius: var(--radius-full);
  color: var(--primary-light);
  font-family: var(--font-mono);
  justify-content: center;
  align-items: center;
  min-width: 24px;
  height: 21px;
  padding: 0 6px;
  font-size: 0.62rem;
  display: inline-flex;
}
.review-date-placeholder {
  background: linear-gradient(
    90deg,
    var(--bg-card),
    var(--bg-card-strong),
    var(--bg-card)
  );
  border-radius: var(--radius-md);
  background-size: 220% 100%;
  height: 36px;
  margin-bottom: 5px;
  animation: 1.4s ease-in-out infinite review-shimmer;
}
.exam-review-toolbar {
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  align-items: center;
  gap: var(--space-5);
  margin-bottom: var(--space-5);
  padding: var(--space-4) var(--space-5);
  justify-content: space-between;
  display: flex;
}
.exam-review-toolbar-copy {
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  display: flex;
}
.exam-review-toolbar-copy strong {
  color: var(--text-primary);
  font-size: var(--fs-sm);
}
.exam-review-toolbar-copy small {
  color: var(--text-muted);
  font-size: var(--fs-xs);
  width: 100%;
}
.exam-review-live {
  background: var(--success-light);
  border-radius: var(--radius-full);
  color: var(--success);
  font-size: 0.66rem;
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  border: 1px solid #55d6be38;
  align-items: center;
  gap: 7px;
  padding: 5px 10px;
  display: inline-flex;
}
.exam-review-live i {
  background: currentColor;
  border-radius: 50%;
  width: 6px;
  height: 6px;
  box-shadow: 0 0 10px;
}
.exam-review-filter {
  align-items: center;
  gap: var(--space-2);
  display: flex;
}
.exam-review-filter label {
  color: var(--text-secondary);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  white-space: nowrap;
}
.exam-review-filter label i {
  color: var(--primary-light);
  margin-right: 5px;
}
.exam-review-filter input {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font: inherit;
  font-size: var(--fs-xs);
  min-height: 38px;
  padding: 0 var(--space-3);
}
.exam-review-filter .btn[hidden],
.exam-review-more .btn[hidden] {
  display: none;
}
.exam-review-list {
  gap: var(--space-3);
  display: grid;
}
.exam-review-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
  background: linear-gradient(#fff1, #ffffff06);
  overflow: hidden;
}
.exam-review-card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.exam-review-summary {
  color: var(--text-primary);
  cursor: pointer;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5);
  text-align: left;
  background: 0 0;
  border: 0;
  grid-template-columns: 46px minmax(0, 1fr) auto 22px;
  width: 100%;
  display: grid;
}
.exam-review-index {
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  color: var(--primary-light);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  background: linear-gradient(135deg, #5e6ad238, #63a7ff1a);
  justify-content: center;
  align-items: center;
  height: 42px;
  display: flex;
}
.exam-review-title {
  flex-direction: column;
  gap: 5px;
  min-width: 0;
  display: flex;
}
.exam-review-title strong {
  font-size: var(--fs-sm);
}
.exam-review-title small {
  color: var(--text-secondary);
  font-size: var(--fs-xs);
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.exam-review-meta {
  color: var(--text-muted);
  flex-direction: column;
  gap: 6px;
  min-width: 150px;
  font-size: 0.68rem;
  display: flex;
}
.exam-review-meta span {
  align-items: center;
  gap: 6px;
  display: flex;
}
.exam-review-meta i {
  color: var(--primary-light);
}
.exam-review-chevron {
  color: var(--text-muted);
  transition:
    transform var(--transition-fast),
    color var(--transition-fast);
}
.exam-review-summary[aria-expanded="true"] .exam-review-chevron {
  color: var(--primary-light);
  transform: rotate(180deg);
}
.exam-review-detail {
  border-top: 1px solid var(--border-light);
  padding: 0 var(--space-5) var(--space-5) 82px;
}
.exam-review-content {
  border-left: 2px solid var(--primary);
  color: var(--text-secondary);
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
  margin-top: var(--space-5);
  padding-left: var(--space-5);
  white-space: pre-wrap;
}
.exam-review-more {
  padding: var(--space-6) 0 0;
  justify-content: center;
  display: flex;
}
.exam-review-loading {
  gap: var(--space-3);
  display: grid;
}
.exam-review-loading span {
  background: linear-gradient(
    90deg,
    var(--bg-card),
    var(--bg-card-strong),
    var(--bg-card)
  );
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  background-size: 220% 100%;
  height: 86px;
  animation: 1.4s ease-in-out infinite review-shimmer;
  display: block;
}
.exam-review-loading span:nth-child(2) {
  animation-delay: 0.1s;
}
.exam-review-loading span:nth-child(3) {
  animation-delay: 0.2s;
}
.exam-review-empty {
  background: var(--bg-card);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-12) var(--space-5);
  text-align: center;
  flex-direction: column;
  display: flex;
}
.exam-review-empty > i {
  color: var(--text-muted);
  font-size: 2rem;
}
.exam-review-empty strong {
  color: var(--text-primary);
}
.exam-review-empty p {
  font-size: var(--fs-sm);
  margin: 0 0 var(--space-3);
}
.exam-review-empty.is-warning > i {
  color: var(--warning);
}
@keyframes review-shimmer {
  0% {
    background-position: 100% 0;
  }
  to {
    background-position: -120% 0;
  }
}
@media (width<=760px) {
  .exam-review-header {
    flex-wrap: wrap;
    align-items: flex-start;
  }
  .exam-review-source {
    width: 100%;
    margin-left: 0;
  }
  .exam-review-layout {
    grid-template-columns: 1fr;
  }
  .exam-review-dates {
    max-height: none;
    position: static;
  }
  .review-date-archive {
    max-height: 310px;
  }
  .exam-review-toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .exam-review-filter {
    flex-wrap: wrap;
    align-items: stretch;
  }
  .exam-review-filter label {
    width: 100%;
  }
  .exam-review-filter input {
    flex: 1;
    min-width: 160px;
  }
  .exam-review-summary {
    padding: var(--space-4);
    grid-template-columns: 42px minmax(0, 1fr) 18px;
    align-items: start;
  }
  .exam-review-index {
    height: 38px;
  }
  .exam-review-meta {
    flex-flow: wrap;
    grid-column: 2/-1;
    min-width: 0;
  }
  .exam-review-chevron {
    grid-area: 1/3;
    margin-top: 10px;
  }
  .exam-review-detail {
    padding: 0 var(--space-4) var(--space-4);
  }
  .exam-review-content {
    margin-top: var(--space-4);
    padding-left: var(--space-4);
  }
}
.score-page {
  max-width: var(--content-max-width);
  margin: 0 auto;
}
.score-page-header {
  align-items: center;
}
.score-page-header:after {
  background:
    radial-gradient(circle at 12% 0, #f6c85f2e, #0000 40%),
    linear-gradient(90deg, #5e6ad224, #55d6be0a, #0000 72%);
}
.score-page-header-icon {
  background: linear-gradient(135deg, #f6c85f, #ff9f6e 58%, #f472b6);
}
.score-page-eyebrow {
  color: var(--accent-grammar);
  font-size: 0.68rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 3px;
  display: block;
}
.score-source-link {
  z-index: 1;
  flex-shrink: 0;
  margin-left: auto;
  position: relative;
}
.score-calculator {
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  margin-bottom: var(--space-6);
  padding: var(--space-6);
  background: linear-gradient(145deg, #5e6ad221, #ffffff09);
  overflow: hidden;
}
.score-calculator-intro {
  align-items: end;
  gap: var(--space-6);
  margin-bottom: var(--space-5);
  justify-content: space-between;
  display: flex;
}
.score-calculator-intro span {
  color: var(--primary-light);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
}
.score-calculator-intro h2 {
  font-size: var(--fs-xl);
  margin-top: 4px;
}
.score-calculator-intro p {
  font-size: var(--fs-xs);
  text-align: right;
  max-width: 390px;
  margin: 0;
}
.score-calculator-grid {
  gap: var(--space-5);
  grid-template-columns: minmax(0, 1fr) 230px;
  display: grid;
}
.score-skill-list {
  gap: var(--space-3);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  display: grid;
}
.score-skill {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background: #ffffff0b;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  display: grid;
}
.score-skill-icon {
  background: color-mix(in srgb, var(--skill-color) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--skill-color) 28%, transparent);
  border-radius: var(--radius-md);
  color: var(--skill-color);
  justify-content: center;
  align-items: center;
  height: 42px;
  font-size: 1rem;
  display: flex;
}
.score-skill-name {
  flex-direction: column;
  min-width: 0;
  display: flex;
}
.score-skill-name strong {
  color: var(--text-primary);
  font-size: var(--fs-sm);
}
.score-skill-name small {
  color: var(--text-muted);
  font-size: 0.66rem;
}
.score-skill select {
  background: var(--select-menu-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--select-menu-text);
  cursor: pointer;
  font-size: var(--fs-xs);
  min-height: 38px;
  padding: 0 30px 0 10px;
}
.score-result-card {
  background:
    radial-gradient(circle at 50% 0%, #f6c85f33, transparent 62%),
    var(--bg-card-strong);
  border-radius: var(--radius-lg);
  min-height: 176px;
  padding: var(--space-5);
  text-align: center;
  border: 1px solid #f6c85f47;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  display: flex;
}
.score-result-label {
  color: var(--text-muted);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
}
.score-result-card > strong {
  color: var(--accent-grammar);
  text-shadow: 0 0 28px #f6c85f33;
  margin: 8px 0;
  font-size: 3.4rem;
  line-height: 1;
}
.score-result-card[data-level="B2"] > strong,
.score-result-card[data-level="C1"] > strong {
  color: var(--success);
}
.score-result-card > div {
  align-items: baseline;
  gap: 4px;
  display: flex;
}
.score-result-card > div b {
  color: var(--text-primary);
  font-size: var(--fs-lg);
}
.score-result-card > div span,
.score-result-card > small {
  color: var(--text-muted);
  font-size: 0.68rem;
}
.score-result-card > small {
  font-family: var(--font-mono);
  margin-top: 5px;
}
.score-scale {
  margin-top: var(--space-5);
  grid-template-columns: repeat(6, 1fr);
  gap: 3px;
  display: grid;
}
.score-scale span {
  border: 1px solid var(--border-light);
  opacity: 0.62;
  min-height: 42px;
  transition:
    opacity var(--transition-fast),
    background var(--transition-fast),
    border-color var(--transition-fast);
  background: #ffffff09;
  justify-content: center;
  align-items: center;
  padding: 7px;
  display: flex;
}
.score-scale span:first-child {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}
.score-scale span:last-child {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.score-scale span b {
  color: var(--text-primary);
  font-size: var(--fs-xs);
  margin-right: 6px;
}
.score-scale span small {
  color: var(--text-muted);
  font-size: 0.6rem;
}
.score-scale span.is-active {
  opacity: 1;
  background: #55d6be1f;
  border-color: #55d6be52;
}
.score-scale span.is-active b {
  color: var(--success);
}
.score-reference-grid {
  gap: var(--space-5);
  margin-bottom: var(--space-5);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  display: grid;
}
.score-reference-card,
.score-examples-section {
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-5);
}
.score-section-title,
.score-section-heading {
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  display: flex;
}
.score-section-title > span,
.score-section-heading > span {
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  color: var(--primary-light);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  background: #5e6ad224;
  flex: 0 0 36px;
  justify-content: center;
  align-items: center;
  height: 36px;
  display: flex;
}
.score-section-title h2,
.score-section-heading h2 {
  font-size: var(--fs-md);
  margin-bottom: 3px;
}
.score-section-title p,
.score-section-heading p {
  font-size: var(--fs-xs);
  margin: 0;
}
.score-level-grid {
  gap: var(--space-2);
  grid-template-columns: repeat(3, 1fr);
  display: grid;
}
.score-level-pill {
  background: var(--bg-input);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 10px var(--space-3);
  justify-content: space-between;
  align-items: center;
  display: flex;
}
.score-level-pill strong {
  color: var(--primary-light);
  font-size: var(--fs-sm);
}
.score-level-pill span {
  color: var(--text-muted);
  font-size: 0.65rem;
}
.score-level-pill.is-b2 strong,
.score-level-pill.is-c1 strong {
  color: var(--success);
}
.score-threshold-list {
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  display: grid;
}
.score-threshold-list span {
  background: var(--bg-input);
  flex-direction: column;
  align-items: center;
  gap: 5px;
  padding: 13px 5px;
  display: flex;
}
.score-threshold-list span:first-child {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}
.score-threshold-list span:last-child {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.score-threshold-list b {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.62rem;
}
.score-threshold-list strong {
  color: var(--text-primary);
  font-size: var(--fs-sm);
}
.score-formula {
  border-radius: var(--radius-lg);
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
  padding: var(--space-4) var(--space-5);
  background: linear-gradient(90deg, #63a7ff1a, #55d6be14);
  border: 1px solid #63a7ff38;
  grid-template-columns: auto minmax(0, 1fr) auto;
  display: grid;
}
.score-formula > span {
  color: var(--info);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
}
.score-formula > span i {
  margin-right: 7px;
}
.score-formula > strong {
  color: var(--text-primary);
  font-size: var(--fs-md);
  text-align: center;
}
.score-formula > small {
  color: var(--text-muted);
  font-size: var(--fs-xs);
}
.score-examples-grid {
  gap: var(--space-3);
  grid-template-columns: repeat(3, minmax(0, 1fr));
  display: grid;
}
.score-example {
  background: var(--bg-input);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.score-example-head {
  border-bottom: 1px solid var(--border-light);
  padding: var(--space-3) var(--space-4);
  justify-content: space-between;
  align-items: center;
  display: flex;
}
.score-example-head span {
  color: var(--text-secondary);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
}
.score-example-head strong {
  color: var(--success);
  font-size: var(--fs-lg);
}
.score-example-skills {
  padding: var(--space-3);
  grid-template-columns: repeat(4, 1fr);
  display: grid;
}
.score-example-skills span {
  border-right: 1px solid var(--border-light);
  flex-direction: column;
  align-items: center;
  gap: 2px;
  display: flex;
}
.score-example-skills span:last-child {
  border: 0;
}
.score-example-skills small {
  color: var(--text-muted);
  font-size: 0.6rem;
}
.score-example-skills b {
  color: var(--text-primary);
  font-size: var(--fs-xs);
}
.score-example-skills em {
  color: var(--primary-light);
  font-size: 0.62rem;
  font-style: normal;
}
.score-example-result {
  border-top: 1px solid var(--border-light);
  color: var(--text-muted);
  font-family: var(--font-mono);
  padding: var(--space-3);
  text-align: center;
  font-size: 0.65rem;
}
.score-example-result strong,
.score-example-result b {
  color: var(--success);
}
@media (width<=900px) {
  .score-calculator-grid {
    grid-template-columns: 1fr;
  }
  .score-result-card {
    min-height: 150px;
  }
  .score-reference-grid,
  .score-examples-grid {
    grid-template-columns: 1fr;
  }
}
@media (width<=640px) {
  .score-page-header {
    flex-wrap: wrap;
    align-items: flex-start;
  }
  .score-source-link {
    width: 100%;
    margin-left: 0;
  }
  .score-calculator {
    padding: var(--space-4);
  }
  .score-calculator-intro {
    align-items: flex-start;
    gap: var(--space-2);
    flex-direction: column;
  }
  .score-calculator-intro p {
    text-align: left;
  }
  .score-skill-list {
    grid-template-columns: 1fr;
  }
  .score-skill {
    grid-template-columns: 42px minmax(0, 1fr);
  }
  .score-skill select {
    grid-column: 1/-1;
    width: 100%;
  }
  .score-scale {
    grid-template-columns: repeat(3, 1fr);
  }
  .score-scale span:first-child,
  .score-scale span:last-child {
    border-radius: var(--radius-md);
  }
  .score-level-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .score-threshold-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 3px;
  }
  .score-threshold-list span:first-child,
  .score-threshold-list span:last-child {
    border-radius: var(--radius-md);
  }
  .score-formula {
    text-align: center;
    grid-template-columns: 1fr;
  }
  .score-formula > strong {
    font-size: var(--fs-sm);
  }
}
.quiz-page {
  min-height: calc(100vh - var(--header-height) - 80px);
  flex-direction: column;
  display: flex;
}
.quiz-header,
.quiz-footer,
.quiz-body {
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-card);
}
.quiz-header {
  border-radius: var(--radius-lg);
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  padding: var(--space-4) var(--space-6);
  justify-content: space-between;
  display: flex;
}
.quiz-back {
  color: var(--text-secondary);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  display: flex;
}
.quiz-back:hover {
  color: var(--text-primary);
}
.quiz-timer {
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-full);
  color: var(--primary-light);
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: #5e6ad21f;
  display: flex;
}
.quiz-step {
  color: var(--text-secondary);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
}
.quiz-body {
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
  padding: var(--space-8);
  flex: 1;
}
.quiz-title-row {
  margin-bottom: var(--space-4);
}
.quiz-title-row h2 {
  font-size: var(--fs-xl);
}
.quiz-jump-input {
  border: 0;
  border-bottom: 2px solid var(--primary-light);
  color: var(--text-primary);
  font-size: inherit;
  font-weight: var(--fw-bold);
  text-align: center;
  background: 0 0;
  outline: none;
  width: 54px;
}
.quiz-instruction {
  color: var(--text-muted);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-6);
}
.quiz-question-row {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  padding: var(--space-4);
  transition:
    border-color var(--transition-fast),
    background var(--transition-fast),
    transform var(--transition-fast);
  background: #ffffff0b;
  flex-wrap: wrap;
  display: flex;
}
.quiz-question-row:hover {
  border-color: var(--border-hover);
  background: #ffffff10;
}
.q-text {
  color: var(--text-primary);
  font-size: var(--fs-base);
}
.q-select {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: var(--fs-sm);
  min-width: 128px;
  min-height: 38px;
  padding: var(--space-2) var(--space-3);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background var(--transition-fast);
  background: #ffffff13;
}
.q-select:focus {
  border-color: var(--primary-light);
  background: #ffffff18;
  outline: none;
  box-shadow: 0 0 0 4px #5e6ad224;
}
.q-select option {
  background-color: var(--select-menu-bg) !important;
  color: var(--select-menu-text) !important;
}
.quiz-footer {
  border-radius: var(--radius-lg);
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  justify-content: flex-end;
  display: flex;
}
.modal-overlay {
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  z-index: 200;
  background: #0000009e;
  justify-content: center;
  align-items: center;
  display: flex;
  position: fixed;
  inset: 0;
}
.modal-box {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  background: linear-gradient(#12131cfa, #0a0b10fa);
  width: 90%;
  max-width: 520px;
  max-height: 80vh;
  overflow-y: auto;
}
[data-theme="light"] .modal-box {
  background: #fff;
}
.modal-header {
  border-bottom: 1px solid var(--border-color);
  padding: var(--space-5) var(--space-6);
  justify-content: space-between;
  align-items: center;
  display: flex;
}
.modal-header h3 {
  font-size: var(--fs-lg);
}
.modal-close {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  cursor: pointer;
  background: #ffffff0f;
  width: 36px;
  height: 36px;
  font-size: 1.2rem;
}
.modal-close:hover {
  color: var(--text-primary);
}
.modal-body {
  padding: var(--space-6);
}
.result-table {
  border-collapse: collapse;
  margin-top: var(--space-4);
  width: 100%;
}
.result-table th {
  border-bottom: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: var(--fs-sm);
  padding: var(--space-3);
  text-align: left;
}
.result-table td {
  border-bottom: 1px solid var(--border-light);
  font-size: var(--fs-sm);
  padding: var(--space-3);
}
.text-correct {
  color: var(--success);
  font-weight: var(--fw-semibold);
}
.text-wrong {
  color: var(--error);
  font-weight: var(--fw-semibold);
}
@media (width<=640px) {
  .quiz-header,
  .quiz-footer {
    flex-direction: column;
    align-items: stretch;
  }
  .quiz-body {
    padding: var(--space-5);
  }
}
.legacy-page {
  width: 100%;
  animation: none !important;
  transform: none !important;
}
body.focus-mode .sidebar,
body.focus-mode .sidebar-overlay {
  display: none !important;
}
body.focus-mode .app-main {
  margin-left: 0 !important;
}
body.focus-mode .header {
  left: 0 !important;
}
body.focus-mode #sidebarToggle {
  display: none !important;
}
body.focus-mode .app-content {
  max-width: 1360px;
}
#question2_topic,
#question4_topic,
#question5_topic {
  color: var(--text-primary) !important;
}
.legacy-shell-header {
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  top: calc(var(--header-height) + var(--space-4));
  z-index: 20;
  justify-content: space-between;
  display: flex;
  position: sticky;
}
.legacy-shell-box {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  min-height: 56px;
  padding: var(--space-3) var(--space-4);
  -webkit-backdrop-filter: var(--glass-blur);
  background: #ffffff0b;
  align-items: center;
}
.legacy-back-box {
  flex: none;
  width: fit-content;
  min-width: 0;
  display: inline-flex;
}
.legacy-info-box {
  gap: var(--space-4);
  flex: 0 auto;
  justify-content: flex-end;
  max-width: min(100%, 720px);
  margin-left: auto;
  display: inline-flex;
}
.legacy-info-box .quiz-step {
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
  overflow: hidden;
}
.legacy-content {
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--space-6);
  -webkit-backdrop-filter: var(--glass-blur);
  position: relative;
  overflow: hidden;
}
.legacy-runtime-hooks {
  clip-path: inset(50%);
  white-space: nowrap;
  width: 1px;
  height: 1px;
  position: absolute;
  overflow: hidden;
}
.legacy-timer {
  align-items: center;
  gap: var(--space-2);
  border-radius: var(--radius-full);
  border: 1px solid var(--border-accent);
  color: var(--primary-light);
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  white-space: nowrap;
  background: #5e6ad21f;
  margin-left: 0;
  padding: 0.45rem 0.75rem;
  display: inline-flex;
}
.legacy-timer.is-low {
  color: var(--error);
  background: var(--error-light);
}
.legacy-content .header {
  border-radius: var(--radius-md);
  height: auto;
  margin-bottom: var(--space-6);
  position: static;
  inset: auto;
}
.legacy-content .container,
.legacy-content .container-fluid {
  width: min(100%, 1120px);
  margin-inline: auto;
  box-shadow: none !important;
  background: 0 0 !important;
  border: none !important;
}
.legacy-content .row {
  flex-wrap: wrap;
  margin-inline: -12px;
  display: flex;
}
.legacy-content [class*="col-"] {
  flex: 1 0;
  min-width: 0;
  padding-inline: 12px;
}
.legacy-content .col-md-4 {
  flex: 0 0 33.333%;
  max-width: 33.333%;
}
.legacy-content .col-md-5 {
  flex: 0 0 41.666%;
  max-width: 41.666%;
}
.legacy-content .col-md-6 {
  flex: 0 0 50%;
  max-width: 50%;
}
.legacy-content .col-md-7 {
  flex: 0 0 58.333%;
  max-width: 58.333%;
}
.legacy-content .col-md-8 {
  flex: 0 0 66.666%;
  max-width: 66.666%;
}
.legacy-content .col-md-12 {
  flex: 0 0 100%;
  max-width: 100%;
}
.legacy-content .d-none {
  display: none !important;
}
.legacy-content .d-flex {
  display: flex !important;
}
.legacy-content .d-block {
  display: block !important;
}
.legacy-content .align-items-center {
  align-items: center !important;
}
.legacy-content .justify-content-between {
  justify-content: space-between !important;
}
.legacy-content .justify-content-center {
  justify-content: center !important;
}
.legacy-content .text-center {
  text-align: center !important;
}
.legacy-content .text-white {
  color: #fff !important;
}
.legacy-content .text-dark {
  color: var(--text-primary) !important;
}
.legacy-content .text-light {
  color: #f8fafc !important;
}
.legacy-content .text-success {
  color: var(--success) !important;
}
.legacy-content .text-danger {
  color: var(--error) !important;
}
.legacy-content .text-decoration-none {
  text-decoration: none !important;
}
.legacy-content .fw-bold {
  font-weight: 700 !important;
}
.legacy-content .p-0 {
  padding: 0 !important;
}
.legacy-content .p-3 {
  padding: 1rem !important;
}
.legacy-content .py-4 {
  padding-block: 1.5rem !important;
}
.legacy-content .py-5 {
  padding-block: 2rem !important;
}
.legacy-content .my-2 {
  margin-block: 0.5rem !important;
}
.legacy-content .my-3 {
  margin-block: 1rem !important;
}
.legacy-content .my-4 {
  margin-block: 1.5rem !important;
}
.legacy-content .mt-2 {
  margin-top: 0.5rem !important;
}
.legacy-content .mt-3 {
  margin-top: 1rem !important;
}
.legacy-content .mt-4 {
  margin-top: 1.5rem !important;
}
.legacy-content .mb-0 {
  margin-bottom: 0 !important;
}
.legacy-content .mb-2 {
  margin-bottom: 0.5rem !important;
}
.legacy-content .mb-3 {
  margin-bottom: 1rem !important;
}
.legacy-content .mb-4 {
  margin-bottom: 1.5rem !important;
}
.legacy-content .me-2 {
  margin-right: 0.5rem !important;
}
.legacy-content .me-3 {
  margin-right: 1rem !important;
}
.legacy-content .gap-2 {
  gap: 0.5rem !important;
}
.legacy-content .gap-3 {
  gap: 1rem !important;
}
.legacy-content .w-100 {
  width: 100% !important;
}
.legacy-content .fs-4 {
  font-size: 1.35rem !important;
}
.legacy-content .fs-5 {
  font-size: 1.15rem !important;
}
.legacy-content .fs-6 {
  font-size: 1rem !important;
}
.legacy-content .bg-primary {
  background: var(--primary) !important;
}
.legacy-content .bg-white {
  background: var(--bg-card) !important;
}
.legacy-content .shadow-sm {
  box-shadow: var(--shadow-sm) !important;
}
.legacy-content .shadow-lg {
  box-shadow: var(--shadow-lg) !important;
}
.legacy-content h1,
.legacy-content h2,
.legacy-content h3,
.legacy-content h4,
.legacy-content h5,
.legacy-content h6 {
  margin-bottom: 0.65em;
}
.legacy-content p {
  margin-bottom: 1rem;
}
.legacy-content a:not(.btn) {
  color: var(--primary);
}
.legacy-content table {
  border-collapse: collapse;
  width: 100%;
}
.legacy-content th,
.legacy-content td {
  border: 1px solid var(--border-light);
  padding: 0.75rem;
}
.legacy-content .card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  background: #ffffff0b;
}
.legacy-content .card:hover {
  transform: none;
}
.legacy-content .card-body {
  padding: 1rem;
}
.legacy-content .question-container,
.legacy-content #questions-container,
.legacy-content [id$="_questions_container"],
.legacy-content .intro-table {
  border-radius: var(--radius-md);
}
.legacy-content .question-container {
  border: 1px solid var(--border-light);
  background: #ffffff0b;
  margin-bottom: 1rem;
  padding: 1rem;
}
.legacy-content #questions-container > div,
.legacy-content .quiz-question-row,
.legacy-content #questions-container > div > span,
.legacy-content #questions-container > div span,
.legacy-content #questions-container > div b,
.legacy-content #questions-container > div strong,
.legacy-content .quiz-question-row span,
.legacy-content .quiz-question-row b,
.legacy-content .quiz-question-row strong {
  color: var(--text-primary) !important;
  font-weight: 500 !important;
}
.legacy-content .legacy-jump-text {
  pointer-events: none;
  appearance: textfield;
  width: auto !important;
  min-width: 1.8em !important;
  max-width: 4em !important;
  color: var(--primary) !important;
  font: inherit !important;
  text-align: center !important;
  background: 0 0 !important;
  border: 0 !important;
  padding: 0 0.1em !important;
  font-weight: 800 !important;
}
.legacy-content .legacy-jump-text::-webkit-inner-spin-button {
  appearance: none;
  margin: 0;
}
.legacy-content .legacy-jump-text::-webkit-outer-spin-button {
  appearance: none;
  margin: 0;
}
.legacy-content .top-bar {
  background: linear-gradient(135deg, var(--primary), var(--accent-reading));
  color: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-accent);
  margin-bottom: 1.25rem;
  padding: 0.85rem 1rem;
}
.legacy-content .btn {
  min-height: 38px;
}
.legacy-content .btn-primary,
.legacy-content .btn-check-result,
.legacy-content #btn_checkallquestions,
.legacy-content #checkResultButton {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border: 1px solid var(--primary-light);
  color: #fff;
}
.legacy-content .btn-back,
.legacy-content .btn-next {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}
.legacy-content .btn-link {
  color: inherit;
  background: 0 0;
  padding-inline: 0.25rem;
}
.legacy-content .btn-outline-primary {
  border: 1px solid var(--primary);
  color: var(--primary);
  background: 0 0;
}
.legacy-content .btn-outline-success {
  border: 1px solid var(--success);
  color: var(--success);
  background: 0 0;
}
.legacy-content .btn-info {
  background: linear-gradient(
    135deg,
    var(--accent-speaking),
    var(--accent-speaking-light)
  );
  color: #06101f;
}
.legacy-content .btn-light {
  background: var(--bg-input);
  color: var(--text-primary);
}
.legacy-content .footer,
.legacy-content .footer-nav,
.legacy-content .navigation,
.legacy-content .nav-buttons {
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: flex-end !important;
  align-items: center !important;
  display: flex !important;
}
.legacy-content.writing-key-page {
  padding-bottom: var(--space-6);
}
.legacy-content .writing-wizard-header {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  padding: var(--space-5);
  background: #ffffff0d;
  justify-content: space-between;
  display: flex;
}
.legacy-content .writing-wizard-kicker {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  display: block;
}
.legacy-content .writing-wizard-header h2 {
  font-size: var(--fs-xl);
  margin: 0;
}
.legacy-content .writing-step {
  border-radius: 0;
  max-width: 980px;
  box-shadow: none !important;
  background: 0 0 !important;
  border: 0 !important;
}
.legacy-content .writing-step.is-active {
  animation: fadeIn 0.26s var(--ease-out) both;
}
.legacy-content .writing-wizard-nav {
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-4) 0 0;
  border-radius: 0;
  justify-content: flex-end;
  max-width: none;
  padding: 0;
  display: flex;
  box-shadow: none !important;
  background: 0 0 !important;
  border: 0 !important;
}
.legacy-content .writing-wizard-nav .btn {
  min-width: 112px;
}
.legacy-content .writing-wizard-nav .btn:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}
.legacy-content.writing-key-page [id^="question"][id$="_showanswer"] {
  display: none !important;
}
.legacy-content.reading-part5-page #question5 {
  max-width: 1280px;
}
.legacy-content.reading-part5-page .custom-header {
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
  display: flex;
}
.legacy-content .legacy-hidden-control {
  display: none !important;
}
.legacy-content .reading-part5-shell {
  gap: var(--space-5);
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  align-items: start;
  display: grid;
}
.legacy-content .reading-part5-passages,
.legacy-content .reading-part5-questions {
  gap: var(--space-3);
  display: grid;
}
.legacy-content .reading-part5-passages {
  max-height: min(72vh, 820px);
  padding-right: var(--space-2);
  overflow: auto;
}
.legacy-content .reading-part5-questions {
  top: var(--space-5);
  position: sticky;
}
.legacy-content .reading-part5-passage {
  box-shadow: none;
  padding: var(--space-2) 0;
  margin-bottom: var(--space-4);
  background: 0 0;
  border: none;
  border-radius: 0;
}
.legacy-content .reading-part5-question {
  box-shadow: none;
  padding: var(--space-2) 0;
  margin-bottom: var(--space-2);
  background: 0 0;
  border: none;
  border-radius: 0;
}
.legacy-content .reading-part5-passage h3 {
  color: var(--text-primary);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
}
.legacy-content .reading-part5-passage-text {
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.72;
}
.legacy-content .reading-part5-question-row {
  gap: var(--space-3);
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: center !important;
  display: grid !important;
}
.legacy-content .reading-part5-question-row label {
  color: var(--text-primary);
  font-weight: var(--fw-bold);
  margin: 0 !important;
}
.legacy-content .reading-part5-question-row select {
  width: 100%;
}
.legacy-content .legacy-meo-clean,
.legacy-content .writing-meo-clean,
.legacy-content .grammar-meo-clean {
  margin-block: 0 !important;
}
.legacy-content .legacy-meo-content,
.legacy-content .writing-meo-content,
.legacy-content .grammar-meo-content {
  width: 100%;
}
.legacy-content .legacy-meo-content .filter-section:first-child,
.legacy-content .writing-meo-content .filter-section:first-child,
.legacy-content .grammar-meo-content .filter-section:first-child {
  margin-top: 0;
}
.legacy-content .legacy-meo-content .note,
.legacy-content .legacy-meo-content .alert,
.legacy-content .writing-meo-content .note,
.legacy-content .writing-meo-content .alert,
.legacy-content .grammar-meo-content .note,
.legacy-content .grammar-meo-content .alert {
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-md) !important;
  color: var(--text-primary) !important;
  background: #fff1 !important;
}
.legacy-content .writing-meo-content .hl {
  color: #dc3545 !important;
  font-weight: 800 !important;
}
.legacy-content input[type="text"],
.legacy-content input[type="number"],
.legacy-content textarea,
.legacy-content select,
.legacy-content .form-control,
.legacy-content .form-select {
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  width: 100%;
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  font: inherit;
  padding: 0.55rem 0.7rem;
}
.legacy-content select,
.legacy-content .form-select {
  appearance: none;
  background-image:
    linear-gradient(45deg, #0000 50%, currentColor 50%),
    linear-gradient(135deg, currentColor 50%, #0000 50%);
  background-position: calc(100% - 18px), calc(100% - 12px);
  background-repeat: no-repeat;
  background-size:
    6px 6px,
    6px 6px;
  min-height: 42px;
  line-height: 1.25;
  box-shadow: inset 0 1px #ffffff0a;
  border-color: color-mix(
    in srgb,
    var(--border-color) 82%,
    var(--primary)
  ) !important;
  background-color: var(--bg-input) !important;
  color: var(--text-primary) !important;
  padding: 0.58rem 2.25rem 0.58rem 0.8rem !important;
  font-weight: 500 !important;
}
.legacy-content select:focus,
.legacy-content .form-select:focus {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 22%, transparent);
  outline: 0;
  border-color: var(--primary) !important;
}
.legacy-content select option,
.legacy-content .form-select option {
  background-color: var(--select-menu-bg) !important;
  color: var(--select-menu-text) !important;
}
.legacy-content select.w-auto,
.legacy-content .form-select.w-auto,
.legacy-content #questions-container select,
.legacy-content .quiz-question-row select {
  flex: 0 auto;
  min-width: 112px;
  max-width: 220px;
  margin-inline: 0.65rem;
  width: auto !important;
}
.legacy-content textarea {
  resize: vertical;
  min-height: 150px;
}
.legacy-content .form-check {
  align-items: flex-start;
  gap: 0.65rem;
  margin-bottom: 0.75rem;
  display: flex;
}
.legacy-content .form-check-input {
  flex: none;
  width: 1.05rem;
  height: 1.05rem;
  margin-top: 0.25rem;
}
.legacy-content .form-range {
  width: min(180px, 30vw);
}
.legacy-content audio {
  width: 100%;
  margin-top: 0.75rem;
}
.legacy-content img {
  border-radius: var(--radius-md);
  object-fit: contain;
  max-height: 520px;
  margin-inline: auto;
}
.legacy-content .q-tab,
.legacy-content .nav-link,
.legacy-content [draggable="true"] {
  cursor: pointer;
}
.legacy-content [draggable="true"] {
  -webkit-user-select: none;
  user-select: none;
}
.legacy-content .is-dragging {
  opacity: 0.55;
}
.legacy-content .modal {
  z-index: 1000;
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
  background: #0f172ab8;
  padding: 1rem;
  display: none;
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.legacy-content .modal.show {
  justify-content: center;
  align-items: center;
  display: flex !important;
}
.legacy-content .modal-dialog {
  width: min(720px, 100%);
  max-height: min(
    760px,
    calc(var(--legacy-modal-max-height, 100vh) - 2rem),
    calc(100vh - 2rem)
  );
  align-items: center;
  min-height: 0;
  margin: 0 auto;
  display: flex;
}
.legacy-content .modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  max-height: min(
    760px,
    calc(var(--legacy-modal-max-height, 100vh) - 2rem),
    calc(100vh - 2rem)
  );
  overscroll-behavior: contain;
  flex-direction: column;
  width: 100%;
  min-height: 0;
  display: flex;
  overflow: hidden;
}
.legacy-content .modal-header,
.legacy-content .modal-footer {
  border-bottom: 1px solid var(--border-color);
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  display: flex;
}
.legacy-content .modal-footer {
  display: none !important;
}
.legacy-content #confirmationModal .modal-footer,
.legacy-content #confirmModal .modal-footer {
  display: flex !important;
}
.legacy-content .modal-body {
  overscroll-behavior: contain;
  flex: auto;
  min-height: 0;
  padding: 1.25rem;
  overflow: auto;
}
.legacy-content .modal-body > .container {
  max-width: 100%;
  padding-inline: 0;
}
.legacy-content .btn-close {
  border-radius: var(--radius-full);
  background: var(--bg-input);
  width: 32px;
  height: 32px;
}
.legacy-content .btn-close:before {
  content: "x";
  color: var(--text-primary);
  font-weight: 700;
}
.legacy-content tr.result-correct,
.legacy-content tr.result-correct > td,
.legacy-content tr.result-correct > th,
.legacy-content .answer-correct {
  background: color-mix(in srgb, var(--success) 12%, transparent) !important;
  border-color: color-mix(
    in srgb,
    var(--success) 45%,
    var(--border-color)
  ) !important;
}
.legacy-content tr.result-wrong,
.legacy-content tr.result-wrong > td,
.legacy-content tr.result-wrong > th,
.legacy-content .answer-wrong {
  background: color-mix(in srgb, var(--error) 10%, transparent) !important;
  border-color: color-mix(
    in srgb,
    var(--error) 45%,
    var(--border-color)
  ) !important;
}
.legacy-content .answer-ok {
  font-weight: 800;
  color: var(--success) !important;
}
.legacy-content .answer-bad {
  font-weight: 800;
  color: var(--error) !important;
}
.legacy-content .correct,
.legacy-content .answer-ok,
.legacy-content td.answer-ok,
.legacy-content td.answer-ok *,
.legacy-content .modal td.text-success,
.legacy-content .modal td .text-success,
.legacy-content .modal td.answer-ok,
.legacy-content .modal td .answer-ok,
.legacy-content .modal td .correct {
  color: var(--success) !important;
}
.legacy-content .incorrect,
.legacy-content .answer-bad,
.legacy-content td.answer-bad,
.legacy-content td.answer-bad *,
.legacy-content .modal td.text-danger,
.legacy-content .modal td .text-danger,
.legacy-content .modal td.answer-bad,
.legacy-content .modal td .answer-bad,
.legacy-content .modal td .incorrect {
  color: var(--error) !important;
}
[data-theme="dark"] .legacy-content .correct,
[data-theme="dark"] .legacy-content .answer-ok,
[data-theme="dark"] .legacy-content td.answer-ok,
[data-theme="dark"] .legacy-content td.answer-ok *,
[data-theme="dark"] .legacy-content .modal td.text-success,
[data-theme="dark"] .legacy-content .modal td .text-success,
[data-theme="dark"] .legacy-content .modal td.answer-ok,
[data-theme="dark"] .legacy-content .modal td .answer-ok,
[data-theme="dark"] .legacy-content .modal td .correct {
  color: var(--success) !important;
}
[data-theme="dark"] .legacy-content .incorrect,
[data-theme="dark"] .legacy-content .answer-bad,
[data-theme="dark"] .legacy-content td.answer-bad,
[data-theme="dark"] .legacy-content td.answer-bad *,
[data-theme="dark"] .legacy-content .modal td.text-danger,
[data-theme="dark"] .legacy-content .modal td .text-danger,
[data-theme="dark"] .legacy-content .modal td.answer-bad,
[data-theme="dark"] .legacy-content .modal td .answer-bad,
[data-theme="dark"] .legacy-content .modal td .incorrect {
  color: var(--error) !important;
}
.legacy-content .legacy-correct-cell,
.legacy-content .legacy-correct-cell *,
.legacy-content .modal td.legacy-correct-cell,
.legacy-content .modal td.legacy-correct-cell * {
  color: inherit !important;
  font-weight: inherit !important;
}
[data-theme="dark"] .legacy-content .legacy-correct-cell,
[data-theme="dark"] .legacy-content .legacy-correct-cell *,
[data-theme="dark"] .legacy-content .modal td.legacy-correct-cell,
[data-theme="dark"] .legacy-content .modal td.legacy-correct-cell * {
  color: var(--text-primary) !important;
  font-weight: inherit !important;
}
.legacy-content #result_navigation .d-flex.justify-content-center {
  gap: var(--space-4) !important;
}
.time-setup-page {
  min-height: calc(100vh - var(--header-height) - 160px);
  place-items: center;
  display: grid;
  position: relative;
}
.time-setup-back {
  position: absolute;
  top: 0;
  left: 0;
}
.time-setup-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: min(520px, 100%);
  box-shadow: var(--shadow-card);
  padding: var(--space-8);
  text-align: center;
}
.time-setup-icon {
  border-radius: var(--radius-lg);
  background: var(--primary-gradient);
  color: #fff;
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-4);
  justify-content: center;
  align-items: center;
  font-size: 1.6rem;
  display: inline-flex;
}
.time-setup-card h1 {
  font-size: var(--fs-2xl);
}
.time-setup-card p {
  margin: var(--space-3) 0 var(--space-6);
}
.time-setup-label {
  color: var(--text-secondary);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-3);
  display: block;
}
.time-setup-control {
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  grid-template-columns: 44px 1fr 44px;
  display: grid;
}
.time-setup-control input {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-input);
  height: 48px;
  color: var(--text-primary);
  text-align: center;
  font: inherit;
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
}
.time-step {
  border-radius: var(--radius-md);
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: 1.2rem;
}
[data-theme="dark"] .legacy-content,
[data-theme="dark"] .legacy-content .card,
[data-theme="dark"] .legacy-content .card-body,
[data-theme="dark"] .legacy-content .question-container,
[data-theme="dark"] .legacy-content .rule-box,
[data-theme="dark"] .legacy-content .table-responsive,
[data-theme="dark"] .legacy-content .table,
[data-theme="dark"] .legacy-content .modal-content,
[data-theme="dark"] .legacy-content .intro-table,
[data-theme="dark"] .legacy-content .action-card,
[data-theme="dark"] .legacy-content .bg-white,
[data-theme="dark"] .legacy-content .bg-light,
[data-theme="dark"] .legacy-content .bg-body,
[data-theme="dark"] .legacy-content .bg-body-tertiary,
[data-theme="dark"] .legacy-content [style*="background: #fff"],
[data-theme="dark"] .legacy-content [style*="background:#fff"],
[data-theme="dark"] .legacy-content [style*="background: #ffffff"],
[data-theme="dark"] .legacy-content [style*="background:#ffffff"],
[data-theme="dark"] .legacy-content [style*="background-color: #fff"],
[data-theme="dark"] .legacy-content [style*="background-color:#fff"],
[data-theme="dark"] .legacy-content [style*="background-color: #ffffff"],
[data-theme="dark"] .legacy-content [style*="background-color:#ffffff"],
[data-theme="dark"] .legacy-content table,
[data-theme="dark"] .legacy-content tr,
[data-theme="dark"] .legacy-content td,
[data-theme="dark"] .legacy-content th {
  color: var(--text-primary) !important;
  background: #ffffff0e !important;
}
[data-theme="dark"] .legacy-content .rule-box,
[data-theme="dark"] .legacy-content .card,
[data-theme="dark"] .legacy-content .question-container,
[data-theme="dark"] .legacy-content .intro-table,
[data-theme="dark"] .legacy-content .action-card {
  border-color: var(--border-color) !important;
  box-shadow: var(--shadow-sm) !important;
}
[data-theme="dark"] .legacy-content .note,
[data-theme="dark"] .legacy-content pre.formula,
[data-theme="dark"] .legacy-content .toc,
[data-theme="dark"] .legacy-content .list-group,
[data-theme="dark"] .legacy-content .list-group-item,
[data-theme="dark"] .legacy-content .alert,
[data-theme="dark"] .legacy-content .alert-info {
  border-color: var(--border-color) !important;
  color: var(--text-primary) !important;
  background: #ffffff0b !important;
}
[data-theme="dark"] .legacy-content .list-group-item:hover,
[data-theme="dark"] .legacy-content .list-group-item:focus,
[data-theme="dark"] .legacy-content .list-group-item.active {
  border-color: var(--border-accent) !important;
  color: var(--text-primary) !important;
  background: #5e6ad238 !important;
}
[data-theme="dark"] .legacy-content .note em,
[data-theme="dark"] .legacy-content .note u,
[data-theme="dark"] .legacy-content .alert em,
[data-theme="dark"] .legacy-content .alert u {
  color: var(--text-secondary) !important;
}
[data-theme="dark"] .legacy-content .rule-box {
  border-left-color: var(--primary-light) !important;
}
[data-theme="dark"] .legacy-content .table {
  --bs-table-bg: transparent;
  --bs-table-color: var(--text-primary);
  --bs-table-border-color: var(--border-color);
  --bs-table-striped-bg: #ffffff0a;
  --bs-table-hover-bg: #ffffff13;
  --bs-table-hover-color: var(--text-primary);
}
[data-theme="dark"] .legacy-content thead,
[data-theme="dark"] .legacy-content thead tr,
[data-theme="dark"] .legacy-content thead th,
[data-theme="dark"] .legacy-content .table th {
  color: #fff !important;
  background: linear-gradient(135deg, #5e6ad2db, #63a7ff8f) !important;
  border-color: #ffffff24 !important;
}
[data-theme="dark"] .legacy-content tbody tr:hover > * {
  color: var(--text-primary) !important;
  background: #ffffff13 !important;
}
[data-theme="dark"] .legacy-content input,
[data-theme="dark"] .legacy-content textarea,
[data-theme="dark"] .legacy-content select,
[data-theme="dark"] .legacy-content .form-control,
[data-theme="dark"] .legacy-content .form-select {
  background-color: var(--bg-input) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-color) !important;
}
[data-theme="dark"] .legacy-content #questions-container > div,
[data-theme="dark"] .legacy-content #questions-container > div span,
[data-theme="dark"] .legacy-content #questions-container > div b,
[data-theme="dark"] .legacy-content #questions-container > div strong,
[data-theme="dark"] .legacy-content .quiz-question-row,
[data-theme="dark"] .legacy-content .quiz-question-row span,
[data-theme="dark"] .legacy-content .quiz-question-row b,
[data-theme="dark"] .legacy-content .quiz-question-row strong {
  color: var(--text-primary) !important;
  font-weight: 500 !important;
}
[data-theme="dark"] .legacy-content select,
[data-theme="dark"] .legacy-content .form-select {
  background-color: var(--bg-input) !important;
  border-color: color-mix(
    in srgb,
    var(--border-color) 72%,
    var(--primary)
  ) !important;
  color: var(--text-primary) !important;
}
[data-theme="dark"] .legacy-content select option,
[data-theme="dark"] .legacy-content .form-select option {
  background-color: var(--select-menu-bg) !important;
  color: var(--select-menu-text) !important;
}
[data-theme="dark"] .legacy-content p,
[data-theme="dark"] .legacy-content label,
[data-theme="dark"] .legacy-content li,
[data-theme="dark"] .legacy-content span,
[data-theme="dark"] .legacy-content .form-check-label,
[data-theme="dark"] .legacy-content .text-primary,
[data-theme="dark"] .legacy-content .text-secondary,
[data-theme="dark"] .legacy-content .text-muted,
[data-theme="dark"] .legacy-content .text-body,
[data-theme="dark"] .legacy-content .text-body-secondary {
  color: var(--text-secondary) !important;
}
[data-theme="dark"] .legacy-content strong,
[data-theme="dark"] .legacy-content b,
[data-theme="dark"] .legacy-content h1,
[data-theme="dark"] .legacy-content h2,
[data-theme="dark"] .legacy-content h3,
[data-theme="dark"] .legacy-content h4,
[data-theme="dark"] .legacy-content h5,
[data-theme="dark"] .legacy-content h6 {
  color: var(--text-primary) !important;
}
[data-theme="dark"] .legacy-content .text-danger,
[data-theme="dark"] .legacy-content [style*="color\:red"],
[data-theme="dark"] .legacy-content [style*="color: red"],
[data-theme="dark"] .legacy-content [style*="color\:red"] *,
[data-theme="dark"] .legacy-content [style*="color: red"] *,
[data-theme="dark"] .legacy-content font[color="red"],
[data-theme="dark"] .legacy-content font[color="red"] * {
  color: #ff8c98 !important;
}
[data-theme="dark"] .legacy-content [style*="color\:green"],
[data-theme="dark"] .legacy-content [style*="color: green"],
[data-theme="dark"] .legacy-content [style*="color\:green"] *,
[data-theme="dark"] .legacy-content [style*="color: green"] *,
[data-theme="dark"] .legacy-content font[color="green"],
[data-theme="dark"] .legacy-content font[color="green"] * {
  color: #4ade80 !important;
}
[data-theme="dark"] .legacy-content [style*="color\:yellow"],
[data-theme="dark"] .legacy-content [style*="color: yellow"],
[data-theme="dark"] .legacy-content [style*="color\:yellow"] *,
[data-theme="dark"] .legacy-content [style*="color: yellow"] * {
  color: #facc15 !important;
}
[data-theme="dark"] .legacy-content [style*="color\:lime"],
[data-theme="dark"] .legacy-content [style*="color: lime"],
[data-theme="dark"] .legacy-content [style*="color\:lime"] *,
[data-theme="dark"] .legacy-content [style*="color: lime"] * {
  color: #a3e635 !important;
}
[data-theme="dark"] .legacy-content .writing-meo-content .note,
[data-theme="dark"] .legacy-content .writing-meo-content .alert {
  border-color: var(--border-color) !important;
  color: var(--text-primary) !important;
  background: #ffffff12 !important;
}
[data-theme="dark"] .legacy-content .writing-meo-content .hl,
[data-theme="dark"] .legacy-content .writing-meo-content .hl.tip {
  color: #ff6b7a !important;
  font-weight: 800 !important;
}
[data-theme="dark"] .legacy-content .text-success {
  color: var(--success) !important;
}
[data-theme="dark"] .legacy-content .text-warning {
  color: var(--warning) !important;
}
[data-theme="dark"] .legacy-content .text-info {
  color: var(--info) !important;
}
[data-theme="dark"] .legacy-content .modal,
[data-theme="dark"] .legacy-content .modal.show {
  background: #020617d1 !important;
}
[data-theme="dark"] .legacy-content .modal-content,
[data-theme="dark"] .legacy-content .modal-header,
[data-theme="dark"] .legacy-content .modal-body,
[data-theme="dark"] .legacy-content .modal-footer,
[data-theme="dark"] .legacy-content .modal table,
[data-theme="dark"] .legacy-content .modal tbody,
[data-theme="dark"] .legacy-content .modal thead,
[data-theme="dark"] .legacy-content .modal tr,
[data-theme="dark"] .legacy-content .modal td,
[data-theme="dark"] .legacy-content .modal th {
  background: var(--bg-card) !important;
  color: var(--text-primary) !important;
}
[data-theme="dark"] .legacy-content .question-card {
  border: 1px solid var(--border-color) !important;
  box-shadow: var(--shadow-card) !important;
  color: var(--text-primary) !important;
  background: linear-gradient(#ffffff13, #ffffff06) !important;
}
[data-theme="dark"] .legacy-content .practice-card {
  box-shadow: none !important;
  color: var(--text-primary) !important;
  background: 0 0 !important;
  border: none !important;
}
[data-theme="dark"] .legacy-content .practice-card .set-counter,
[data-theme="dark"] .legacy-content .practice-card .question-text,
[data-theme="dark"] .legacy-content .practice-card .answer-box__text,
[data-theme="dark"] .legacy-content .practice-card .final-text {
  color: var(--text-primary) !important;
}
[data-theme="dark"] .legacy-content .practice-card #setInput,
[data-theme="dark"] .legacy-content .practice-card #setTotal,
[data-theme="dark"] .legacy-content .practice-card .transcript-label,
[data-theme="dark"] .legacy-content .practice-card .placeholder-text,
[data-theme="dark"] .legacy-content .practice-card .interim-text,
[data-theme="dark"] .legacy-content .practice-card .answer-box__label {
  color: var(--text-muted) !important;
}
[data-theme="dark"] .legacy-content .practice-card #setInput {
  border: 0 !important;
  border-bottom: 1px solid var(--primary-light) !important;
  color: var(--primary-light) !important;
  background: 0 0 !important;
  border-radius: 0 !important;
}
[data-theme="dark"] .legacy-content .practice-card .q-tab,
[data-theme="dark"] .legacy-content .practice-card .picture-img,
[data-theme="dark"] .legacy-content .practice-card #pictureImg,
[data-theme="dark"] .legacy-content .practice-card #transcriptBox {
  border-color: var(--border-color) !important;
  color: var(--text-primary) !important;
  background: #ffffff0b !important;
}
[data-theme="dark"] .legacy-content .practice-card .q-tab.active {
  border-color: var(--primary-light) !important;
  color: var(--primary-light) !important;
  background: #5e6ad22e !important;
}
@media (width<=900px) {
  .legacy-content .reading-part5-shell {
    grid-template-columns: 1fr;
  }
  .legacy-content .reading-part5-passages {
    max-height: none;
    padding-right: 0;
    overflow: visible;
  }
  .legacy-content .reading-part5-questions {
    position: static;
  }
}
[data-theme="dark"] .legacy-content .question-counter,
[data-theme="dark"] .legacy-content .question-text,
[data-theme="dark"] .legacy-content .transcript-label,
[data-theme="dark"] .legacy-content .answer-box__label,
[data-theme="dark"] .legacy-content .answer-box__text,
[data-theme="dark"] .legacy-content .final-text {
  color: var(--text-primary) !important;
}
[data-theme="dark"] .legacy-content #questionTotal,
[data-theme="dark"] .legacy-content .placeholder-text,
[data-theme="dark"] .legacy-content .interim-text {
  color: var(--text-muted) !important;
}
[data-theme="dark"] .legacy-content #questionInput {
  color: var(--primary-light) !important;
  border-bottom-color: var(--primary-light) !important;
}
[data-theme="dark"] .legacy-content #transcriptBox {
  border-color: var(--border-color) !important;
  color: var(--text-primary) !important;
  background: #ffffff0b !important;
}
[data-theme="dark"] .legacy-content .answer-box,
[data-theme="dark"] .legacy-content .answer-box--primary,
[data-theme="dark"] .legacy-content .answer-box--success {
  border-color: var(--border-accent) !important;
  color: var(--text-primary) !important;
  background: #ffffff0d !important;
}
[data-theme="dark"] .legacy-content .btn-read {
  border-color: var(--border-color) !important;
  color: var(--text-primary) !important;
  background: #ffffff0e !important;
}
[data-theme="dark"] .legacy-content .btn-read:hover {
  background: #ffffff16 !important;
}
[data-theme="dark"] .legacy-content .divider,
[data-theme="dark"] .legacy-content .progress-bar-wrapper {
  border-color: var(--border-color) !important;
  background: #ffffff14 !important;
}
[data-theme="dark"] .legacy-content tr.result-correct,
[data-theme="dark"] .legacy-content tr.result-correct > td,
[data-theme="dark"] .legacy-content tr.result-correct > th,
[data-theme="dark"] .legacy-content .answer-correct {
  background: color-mix(in srgb, var(--success) 26%, var(--bg-card)) !important;
  color: var(--text-primary) !important;
  border-color: color-mix(
    in srgb,
    var(--success) 55%,
    var(--border-color)
  ) !important;
}
[data-theme="dark"] .legacy-content tr.result-wrong,
[data-theme="dark"] .legacy-content tr.result-wrong > td,
[data-theme="dark"] .legacy-content tr.result-wrong > th,
[data-theme="dark"] .legacy-content .answer-wrong {
  background: color-mix(in srgb, var(--error) 26%, var(--bg-card)) !important;
  color: var(--text-primary) !important;
  border-color: color-mix(
    in srgb,
    var(--error) 55%,
    var(--border-color)
  ) !important;
}
@media (width<=768px) {
  .legacy-content {
    padding: var(--space-4);
  }
  .legacy-shell-header {
    align-items: stretch;
    gap: var(--space-3);
    top: calc(var(--header-height) + var(--space-3));
    flex-wrap: wrap;
    position: sticky;
  }
  .legacy-back-box {
    min-width: 0;
  }
  .legacy-info-box {
    flex: 100%;
    justify-content: space-between;
    max-width: 100%;
    margin-left: 0;
  }
  .legacy-content .row {
    margin-inline: 0;
    display: block;
  }
  .legacy-content [class*="col-"] {
    max-width: 100%;
    padding-inline: 0;
  }
  .legacy-content .d-flex {
    flex-wrap: wrap;
  }
}
.legacy-content [id^="q16_opinion"][id$="_label"] {
  margin-bottom: var(--space-3) !important;
  color: var(--text-primary) !important;
  font-size: 1.05rem !important;
  font-weight: 600 !important;
  display: block !important;
}
.legacy-content [id^="opinion"][id$="_label"] {
  font-weight: 600 !important;
}
.legacy-content .question-container .form-check {
  margin-bottom: var(--space-3) !important;
}
.legacy-content .question-container p:has(#questionText) {
  margin-bottom: var(--space-3) !important;
}
.legacy-content .q-tabs .q-tab i {
  display: none !important;
}
.legacy-content .practice-card {
  box-shadow: none !important;
  background: 0 0 !important;
  border: none !important;
  margin-top: 0 !important;
}
.legacy-content .practice-card .set-counter,
.legacy-content .practice-card .picture-section,
.legacy-content .practice-card .q-tabs,
.legacy-content .practice-card .question-section,
.legacy-content .practice-card .transcript-section,
.legacy-content .practice-card .answer-buttons {
  padding-left: 0 !important;
  padding-right: 0 !important;
}
.legacy-content .practice-card .answer-box,
.legacy-content .practice-card .divider {
  margin-left: 0 !important;
  margin-right: 0 !important;
}
.legacy-content #recordBtn {
  box-shadow: none !important;
  background: 0 0 !important;
  transition: all 0.2s !important;
}
.legacy-content #recordBtn.btn-danger {
  border: 1.5px solid var(--error) !important;
  color: var(--error) !important;
}
.legacy-content #recordBtn.btn-danger:hover {
  background: color-mix(in srgb, var(--error) 10%, transparent) !important;
}
.legacy-content #recordBtn.btn-secondary {
  border: 1.5px solid var(--error) !important;
  color: var(--error) !important;
}
.legacy-content #recordBtn.btn-secondary:hover {
  background: color-mix(in srgb, var(--error) 10%, transparent) !important;
}
.legacy-content #recordBtn.btn-warning {
  border: 1.5px solid var(--warning) !important;
  color: var(--warning) !important;
}
.legacy-content #recordBtn.btn-warning:hover {
  background: color-mix(in srgb, var(--warning) 10%, transparent) !important;
}
.legacy-content:has(#sortable-list) h2 {
  color: var(--text-primary) !important;
}
.legacy-content:has(#sortable-list) .topic-display {
  color: var(--primary-light) !important;
}
.legacy-content:has(#sortable-list) .sort-item {
  background: var(--bg-input) !important;
  border: 1.5px solid var(--border-color) !important;
  color: var(--text-primary) !important;
}
.legacy-content:has(#sortable-list) .sort-item:hover {
  border-color: var(--border-hover) !important;
}
.legacy-content:has(#sortable-list) .answer-item {
  border: 1.5px dashed var(--border-color) !important;
  color: var(--text-secondary) !important;
  background: #ffffff05 !important;
}
.legacy-content:has(#sortable-list) .sort-item.correct {
  background-color: var(--success-light) !important;
  border-color: var(--success) !important;
  color: var(--success) !important;
}
.legacy-content:has(#sortable-list) .sort-item.wrong {
  background-color: var(--error-light) !important;
  border-color: var(--error) !important;
  color: var(--error) !important;
}
.legacy-content:has(#sortable-list) .modal-content {
  background: var(--bg-card-strong) !important;
  border: 1px solid var(--border-color) !important;
  color: var(--text-primary) !important;
  box-shadow: var(--shadow-lg) !important;
}
.legacy-content:has(#sortable-list) .close-modal {
  color: var(--text-muted) !important;
}
.legacy-content:has(#sortable-list) button {
  border-radius: var(--radius-md) !important;
  transition: all var(--transition-fast) !important;
}
.header-toggle,
.theme-toggle,
#sidebarToggle,
#themeToggle {
  border-radius: var(--radius-md) !important;
  width: 38px !important;
  min-width: 0 !important;
  height: 38px !important;
  padding: 0 !important;
  display: flex !important;
}
.legacy-content table.table {
  border-collapse: separate !important;
  border-spacing: 0 !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-md) !important;
  background: var(--bg-card) !important;
  box-shadow: var(--shadow-sm) !important;
  margin-bottom: var(--space-6) !important;
  overflow: hidden !important;
}
.legacy-content table.table thead,
.legacy-content table.table thead.table-light {
  background: var(--primary-light) !important;
  background-color: var(--primary-light) !important;
}
.legacy-content table.table thead th {
  color: var(--text-primary) !important;
  border-bottom: 2px solid var(--border-color) !important;
  padding: var(--space-4) var(--space-5) !important;
  font-weight: 600 !important;
  font-size: var(--fs-sm) !important;
  text-transform: uppercase !important;
  letter-spacing: 0.5px !important;
  background: 0 0 !important;
  border-inline: none !important;
}
.legacy-content table.table tbody th,
.legacy-content table.table tbody td {
  color: var(--text-primary) !important;
  border-color: var(--border-color) !important;
  padding: var(--space-4) var(--space-5) !important;
  font-size: var(--fs-sm) !important;
}
.legacy-content table.table tbody th {
  color: var(--text-secondary) !important;
  text-align: center !important;
  font-weight: 600 !important;
}
.legacy-content table.table tbody,
.legacy-content table.table tbody tr,
.legacy-content table.table tbody th,
.legacy-content table.table tbody td,
[data-theme="dark"] .legacy-content table.table tbody,
[data-theme="dark"] .legacy-content table.table tbody tr,
[data-theme="dark"] .legacy-content table.table tbody th,
[data-theme="dark"] .legacy-content table.table tbody td {
  background: 0 0 !important;
}
[data-theme="dark"] .legacy-content table.table tbody th {
  color: var(--text-secondary) !important;
}
.legacy-content table.table tbody tr:hover,
.legacy-content table.table tbody tr:hover td,
.legacy-content table.table tbody tr:hover th,
.legacy-content table.table tbody tr:hover > *,
[data-theme="dark"] .legacy-content table.table tbody tr:hover,
[data-theme="dark"] .legacy-content table.table tbody tr:hover td,
[data-theme="dark"] .legacy-content table.table tbody tr:hover th,
[data-theme="dark"] .legacy-content table.table tbody tr:hover > * {
  color: var(--text-primary) !important;
  box-shadow: none !important;
  background: 0 0 !important;
}
[data-theme="dark"] .legacy-content table.table tbody tr:hover th {
  color: var(--text-secondary) !important;
}
.legacy-content .answer-inline {
  border-left: 4px solid var(--primary) !important;
  border-radius: 0 var(--radius-md) var(--radius-md) 0 !important;
  padding: var(--space-4) var(--space-5) !important;
  font-size: var(--fs-sm) !important;
  color: var(--text-primary) !important;
  box-shadow: none !important;
  margin-top: var(--space-2) !important;
  margin-bottom: var(--space-2) !important;
  background: #5e6ad214 !important;
}
.legacy-content .answer-inline.answer2 {
  border-left-color: var(--success) !important;
  background: #2ecc7114 !important;
}
[data-theme="dark"] .legacy-content .answer-inline {
  border-left-color: var(--primary-light) !important;
  background: #5e6ad226 !important;
}
[data-theme="dark"] .legacy-content .answer-inline.answer2 {
  border-left-color: var(--success) !important;
  background: #2ecc7126 !important;
}
.legacy-content .answer-inline-label {
  font-size: var(--fs-xs) !important;
  text-transform: uppercase !important;
  letter-spacing: 1px !important;
  color: var(--text-secondary) !important;
  margin-bottom: var(--space-2) !important;
  font-weight: 700 !important;
}
.legacy-content .btn-ans {
  border-radius: var(--radius-sm) !important;
  font-weight: 500 !important;
  font-size: var(--fs-xs) !important;
  padding: var(--space-2) var(--space-3) !important;
  text-transform: none !important;
  transition: all 0.2s !important;
}
.legacy-content .btn-ans.btn-outline-primary {
  border-color: var(--primary) !important;
  color: var(--primary) !important;
}
.legacy-content .btn-ans.btn-outline-primary:hover,
.legacy-content .btn-ans.btn-outline-primary.active-1,
.legacy-content .btn-ans.btn-outline-primary.active {
  background-color: var(--primary) !important;
  color: #fff !important;
  box-shadow: 0 0 12px #5e6ad266 !important;
}
.legacy-content .btn-ans.btn-outline-success {
  border-color: var(--success) !important;
  color: var(--success) !important;
}
.legacy-content .btn-ans.btn-outline-success:hover,
.legacy-content .btn-ans.btn-outline-success.active-2 {
  background-color: var(--success) !important;
  color: #fff !important;
  box-shadow: 0 0 12px #2ecc7166 !important;
}

/* --- CẬP NHẬT GIAO DIỆN LIGHT MODE THEO YÊU CẦU --- */
[data-theme="light"] .hero-title {
  background: linear-gradient(135deg, #1e293b 0%, #475569 100%) !important;
  -webkit-background-clip: text !important;
  color: transparent !important;
}

[data-theme="light"] .skill-tag {
  color: var(--primary-dark, #333) !important;
  font-weight: 600 !important;
}

[data-theme="light"] .skill-tag {
  color: color-mix(in srgb, var(--accent) 90%, #000) !important;
  background: color-mix(in srgb, var(--accent) 20%, transparent) !important;
  border-color: color-mix(in srgb, var(--accent) 40%, transparent) !important;
}

/* --- PREMIUM HERO OVERHAUL --- */
.hero-visual {
  position: relative;
  perspective: 1000px;
}
.hero-orbit img {
  transform: scale(1.05);
  filter: drop-shadow(0 20px 30px rgba(94, 106, 210, 0.15));
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.hero-orbit:hover img {
  transform: scale(1.08) translateY(-5px);
  filter: drop-shadow(0 30px 40px rgba(94, 106, 210, 0.25));
}
.hero-panel {
  background: rgba(255, 255, 255, 0.7) !important;
  backdrop-filter: blur(24px) saturate(200%) !important;
  -webkit-backdrop-filter: blur(24px) saturate(200%) !important;
  border: 1px solid rgba(255, 255, 255, 0.8) !important;
  border-radius: 24px !important;
  box-shadow:
    0 4px 6px -1px rgba(0, 0, 0, 0.05),
    0 10px 15px -3px rgba(0, 0, 0, 0.05),
    0 25px 40px -10px rgba(94, 106, 210, 0.2) !important;
  padding: 18px 28px !important;
  animation: floatPanel 6s ease-in-out infinite;
  display: flex !important;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start !important;
  gap: 4px !important;
}
[data-theme="dark"] .hero-panel {
  background: rgba(15, 23, 42, 0.6) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  box-shadow: 0 25px 40px -10px rgba(0, 0, 0, 0.6) !important;
}

@keyframes floatPanel {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

.hero-panel-top {
  top: 10% !important;
  left: -10% !important;
  animation-delay: 0s;
}
.hero-panel-bottom {
  bottom: 15% !important;
  right: -5% !important;
  flex-direction: row !important;
  align-items: center !important;
  padding: 16px 24px !important;
  animation-delay: -3s;
}

.hero-panel span {
  font-size: 0.75rem !important;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary) !important;
  font-weight: 700 !important;
}
.hero-panel strong {
  font-size: 1.1rem !important;
  font-weight: 800 !important;
  background: linear-gradient(135deg, var(--primary) 0%, #a855f7 100%);
  -webkit-background-clip: text;
  color: transparent !important;
  margin-top: 0 !important;
}
.hero-panel i {
  background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
  -webkit-background-clip: text;
  color: transparent !important;
  font-size: 1.8rem !important;
  margin-right: 6px;
}

/* --- CLEAN HERO FIX --- */
.hero-content {
  padding-left: 2rem !important; /* Đẩy toàn bộ nội dung text và nút sang phải để không sát lề */
}

@media (max-width: 768px) {
  .hero-content {
    padding-left: 1rem !important;
  }
}

.hero-stats {
  position: relative;
  z-index: 20 !important; /* Chống đè */
}

/* Chỉ sửa lỗi đè line của tấm background, giữ nguyên thiết kế cũ của tấm stats */
.hero-orbit::before {
  border-color: rgba(0, 0, 0, 0.01) !important;
  z-index: 0;
}
[data-theme="dark"] .hero-orbit::before {
  border-color: rgba(255, 255, 255, 0.02) !important;
}

/* Đảm bảo tấm stats che được nét viền đằng sau nếu có */
[data-theme="light"] .hero-stats div {
  background: rgba(255, 255, 255, 0.9) !important;
  backdrop-filter: blur(10px) !important;
  -webkit-backdrop-filter: blur(10px) !important;
}

/* --- LOGO SIZE FIX --- */
.sidebar-brand-logo {
  width: 56px !important;
  height: 56px !important;
  overflow: visible !important;
}

.sidebar-brand-logo img {
  transform: scale(
    1.35
  ) !important; /* Phóng to ảnh bù trừ khoảng viền trong suốt */
  transform-origin: center !important;
}

/* --- SCROLLBAR LIGHT MODE FIX --- */
[data-theme="light"] ::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.2) !important;
}
[data-theme="light"] ::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.35) !important;
}
[data-theme="light"] ::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.03) !important;
}