@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;500;600;700&family=IBM+Plex+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Instrument+Serif:ital@0;1&display=swap');

:root {
  /* Navy & Beige palette */
  --deep-navy: #0F1F3D;
  --navy-blue: #17375E;
  --warm-beige: #E9DFD2;
  --sand: #D4C3AF;
  --soft-white: #FAF8F5;
  --dusty-blue: #3A5470;
  --slate-blue: #62748E;
  --taupe: #B8A18A;
  --warm-gray: #CFC7BD;
  --ivory: #FFF9F1;

  --primary: #0F1F3D;
  --primary-dark: #17375E;
  --accent: #17375E;
  --accent-soft: #E9DFD2;
  --bg: #FAF8F5;
  --bg-soft: #E9DFD2;
  --bg-elevated: #FFF9F1;
  --text: #0F1F3D;
  --text-muted: #3A5470;
  --border: #D4C3AF;
  --shadow: 0 1px 2px rgba(15, 31, 61, 0.06);
  --shadow-lg: 0 12px 40px rgba(15, 31, 61, 0.1);
  --success: #2F5D50;
  --warning: #B08A5A;
  --danger: #8B3A3A;
  --radius: 10px;
  --radius-sm: 6px;
  --nav-h: 64px;
  --container: 1120px;
  --transition: 0.2s ease;
  --font: "IBM Plex Sans", system-ui, sans-serif;
  --display: "Instrument Serif", Georgia, serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; border: none; background: none; }

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

.section { padding: 72px 0; }
.section-sm { padding: 56px 0; }

.eyebrow {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--display);
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-lead {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 540px;
  line-height: 1.65;
}

.section-head { max-width: 560px; margin-bottom: 40px; }

.accent-text {
  color: var(--accent);
  font-style: italic;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: var(--radius-sm);
  font-weight: 560;
  font-size: 0.9rem;
  transition: background var(--transition), color var(--transition), border-color var(--transition), opacity var(--transition);
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn:hover { opacity: 0.92; }
.btn-primary { background: var(--primary); color: var(--soft-white); }
.btn-secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-secondary:hover { border-color: var(--dusty-blue); }
.btn-ghost { color: var(--text-muted); padding: 8px 12px; }
.btn-ghost:hover { color: var(--text); }
.btn-accent { background: var(--navy-blue); color: var(--soft-white); }
.btn-lg { padding: 13px 22px; font-size: 0.95rem; }
.btn-sm { padding: 7px 12px; font-size: 0.82rem; }
.btn-block { width: 100%; }

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: border-color var(--transition);
}

.card:hover { border-color: var(--taupe); }

.card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.card p { color: var(--text-muted); font-size: 0.92rem; }

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(250, 248, 245, 0.94);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
  overflow: visible;
}

.navbar.scrolled { border-bottom-color: var(--border); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
  overflow: visible;
}

.logo-mark {
  width: auto;
  min-width: 28px;
  height: 28px;
  padding: 0 6px;
  border-radius: 6px;
  background: var(--primary);
  color: var(--soft-white);
  display: grid;
  place-items: center;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
  flex-shrink: 0;
  white-space: nowrap;
}


.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: wrap;
  justify-content: center;
  overflow: visible;
}

.nav-links a {
  padding: 6px 10px;
  border-radius: 6px;
  color: var(--text-muted);
  font-size: 0.84rem;
  font-weight: 500;
  transition: color var(--transition);
}

.nav-links a:hover,
.nav-links a.active { color: var(--text); }

.nav-dropdown {
  position: relative;
  overflow: visible;
}

.nav-dropdown > .nav-drop-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 10px;
  border-radius: 6px;
  color: var(--text-muted);
  font-size: 0.84rem;
  font-weight: 500;
  background: transparent;
  border: 0;
  cursor: pointer;
  font: inherit;
}

.nav-dropdown > .nav-drop-btn:hover,
.nav-dropdown.open > .nav-drop-btn,
.nav-dropdown > .nav-drop-btn.active {
  color: var(--text);
}

.nav-dropdown > .nav-drop-btn::after {
  content: "";
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  opacity: 0.7;
  margin-top: 1px;
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% - 2px);
  inset-inline-start: 0;
  min-width: 220px;
  padding: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  display: none;
  z-index: 1100;
}

.nav-dropdown.open > .nav-dropdown-menu,
.nav-dropdown:hover > .nav-dropdown-menu {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-dropdown-menu a {
  display: block;
  padding: 9px 12px;
  border-radius: 6px;
  color: var(--text);
  font-size: 0.84rem;
  font-weight: 500;
  white-space: nowrap;
}

.nav-dropdown-menu a:hover,
.nav-dropdown-menu a.active {
  background: var(--accent-soft);
  color: var(--accent);
}

html[dir="rtl"] .nav-dropdown > .nav-drop-btn::after {
  margin-top: 1px;
}

.mobile-drop {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mobile-drop-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  text-align: start;
  padding: 10px 4px;
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 600;
  background: none;
  border: 0;
  cursor: pointer;
  font: inherit;
}

.mobile-drop-btn::after {
  content: "+";
  font-size: 1.1rem;
  color: var(--text-muted);
}

.mobile-drop.open > .mobile-drop-btn::after {
  content: "−";
}

.mobile-drop-menu {
  display: none;
  flex-direction: column;
  gap: 2px;
  padding: 0 0 8px 12px;
}

.mobile-drop.open > .mobile-drop-menu {
  display: flex;
}

.mobile-drop-menu a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 8px 4px;
}

.mobile-drop-menu a:hover,
.mobile-drop-menu a.active {
  color: var(--accent);
}

.track-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}

.track-card {
  display: block;
  padding: 20px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  transition: border-color var(--transition), background var(--transition);
}

.track-card:hover,
.track-card.active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.track-card .tag {
  margin-bottom: 8px;
}

.track-card h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.track-card p {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin: 0;
}

.track-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-soft);
}

.track-banner strong {
  font-size: 0.95rem;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  color: var(--text);
}

.icon-btn:hover { border-color: var(--text-muted); }

.lang-btn {
  min-width: 42px;
  height: 36px;
  padding: 0 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.lang-btn:hover { border-color: var(--text-muted); }

/* Arabic / RTL */
html[dir="rtl"] body {
  font-family: "Cairo", var(--font);
}

html[dir="rtl"] .section-title,
html[dir="rtl"] .home-intro h1,
html[dir="rtl"] .page-hero h1,
html[dir="rtl"] .dash-topbar h1,
html[dir="rtl"] .price,
html[dir="rtl"] .stat-item .num,
html[dir="rtl"] .kpi .kpi-value,
html[dir="rtl"] .quick-card .num,
html[dir="rtl"] .step::before {
  font-family: "Cairo", sans-serif;
  font-weight: 700;
}

html[dir="rtl"] .home-points li {
  padding-left: 0;
  padding-right: 18px;
}

html[dir="rtl"] .home-points li::before {
  left: auto;
  right: 0;
}

html[dir="rtl"] .nav-links {
  direction: rtl;
}

.menu-toggle {
  display: none;
  width: 36px;
  height: 36px;
  border-radius: 6px;
  border: 1px solid var(--border);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.menu-toggle span {
  width: 14px;
  height: 1.5px;
  background: var(--text);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 12px 16px 16px;
  z-index: 999;
  flex-direction: column;
  gap: 2px;
}

.mobile-nav.open { display: flex; }

.mobile-nav a {
  padding: 11px 12px;
  border-radius: 6px;
  color: var(--text-muted);
  font-weight: 500;
}

.mobile-nav a:hover,
.mobile-nav a.active {
  background: var(--bg-soft);
  color: var(--text);
}

/* Home hero — full-width slider */
html[data-page="home"] .navbar:not(.scrolled) {
  background: rgba(15, 31, 61, 0.28);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: rgba(255, 249, 241, 0.08);
}

html[data-page="home"] .navbar:not(.scrolled) .logo,
html[data-page="home"] .navbar:not(.scrolled) .nav-links > a,
html[data-page="home"] .navbar:not(.scrolled) .nav-dropdown > .nav-drop-btn {
  color: var(--soft-white);
}

html[data-page="home"] .navbar:not(.scrolled) .nav-links > a.active,
html[data-page="home"] .navbar:not(.scrolled) .nav-links > a:hover,
html[data-page="home"] .navbar:not(.scrolled) .nav-dropdown > .nav-drop-btn:hover,
html[data-page="home"] .navbar:not(.scrolled) .nav-dropdown.open > .nav-drop-btn,
html[data-page="home"] .navbar:not(.scrolled) .nav-dropdown > .nav-drop-btn.active {
  color: var(--warm-beige);
}

html[data-page="home"] .navbar:not(.scrolled) .nav-dropdown-menu {
  background: rgba(15, 31, 61, 0.96);
  border-color: rgba(255, 249, 241, 0.14);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.32);
}

html[data-page="home"] .navbar:not(.scrolled) .nav-dropdown-menu a {
  color: rgba(250, 248, 245, 0.92);
}

html[data-page="home"] .navbar:not(.scrolled) .nav-dropdown-menu a:hover,
html[data-page="home"] .navbar:not(.scrolled) .nav-dropdown-menu a.active {
  background: rgba(255, 249, 241, 0.12);
  color: var(--warm-beige);
}

html[data-page="home"] .navbar:not(.scrolled) .lang-btn {
  color: var(--soft-white);
  background: rgba(255, 249, 241, 0.1);
  border-color: rgba(255, 249, 241, 0.38);
}

html[data-page="home"] .navbar:not(.scrolled) .lang-btn:hover {
  color: var(--soft-white);
  background: rgba(255, 249, 241, 0.18);
  border-color: rgba(255, 249, 241, 0.58);
}

html[data-page="home"] .navbar:not(.scrolled) .btn-ghost {
  color: rgba(250, 248, 245, 0.88);
}

html[data-page="home"] .navbar:not(.scrolled) .menu-toggle {
  border-color: rgba(255, 249, 241, 0.38);
  background: rgba(255, 249, 241, 0.1);
}

html[data-page="home"] .navbar:not(.scrolled) .menu-toggle span {
  background: var(--soft-white);
}

.home-hero {
  position: relative;
  height: clamp(520px, calc(100dvh - var(--nav-h)), 820px);
  overflow: hidden;
  background: var(--primary);
  isolation: isolate;
}

.home-hero-slider {
  position: relative;
  width: 100%;
  height: 100%;
}

.home-hero-media-fixed {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.home-hero-track {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
}

.home-hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.65s ease, visibility 0.65s;
}

.home-hero-slide.is-active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}

.home-hero-slide-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 55%;
  display: block;
  transform: scale(1.04);
  animation: homeHeroKenBurns 8s ease-out forwards;
}

@keyframes homeHeroKenBurns {
  from { transform: scale(1.06); }
  to { transform: scale(1); }
}

.home-hero-slide-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(
      90deg,
      rgba(15, 31, 61, 0.78) 0%,
      rgba(15, 31, 61, 0.52) 34%,
      rgba(15, 31, 61, 0.18) 58%,
      rgba(15, 31, 61, 0.04) 100%
    ),
    linear-gradient(
      0deg,
      rgba(15, 31, 61, 0.55) 0%,
      transparent 42%
    );
}

html[dir="rtl"] .home-hero-slide-overlay {
  background:
    linear-gradient(
      270deg,
      rgba(15, 31, 61, 0.78) 0%,
      rgba(15, 31, 61, 0.52) 34%,
      rgba(15, 31, 61, 0.18) 58%,
      rgba(15, 31, 61, 0.04) 100%
    ),
    linear-gradient(
      0deg,
      rgba(15, 31, 61, 0.55) 0%,
      transparent 42%
    );
}

.home-hero-slide-inner {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-h) + 12px);
  padding-bottom: 72px;
}

.home-hero-slide-copy {
  max-width: min(540px, 100%);
  color: var(--soft-white);
}

.home-hero-slide-copy .eyebrow {
  color: var(--warm-beige);
  margin-bottom: 10px;
}

.home-hero-slide-title {
  font-family: var(--display);
  font-size: clamp(2rem, 3.6vw, 3.15rem);
  line-height: 1.1;
  font-weight: 400;
  letter-spacing: -0.03em;
  margin: 0 0 14px;
  color: var(--soft-white);
}

.home-hero-slide-lead {
  margin: 0 0 22px;
  font-size: clamp(0.95rem, 1.35vw, 1.06rem);
  line-height: 1.65;
  color: rgba(250, 248, 245, 0.88);
  max-width: 34rem;
}

.home-hero-slide-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.home-hero-btn-ghost {
  background: rgba(255, 249, 241, 0.1);
  border: 1px solid rgba(255, 249, 241, 0.38);
  color: var(--soft-white);
}

.home-hero-btn-ghost:hover {
  background: rgba(255, 249, 241, 0.18);
  border-color: rgba(255, 249, 241, 0.55);
}

.home-hero-arrow {
  position: absolute;
  top: 50%;
  z-index: 4;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255, 249, 241, 0.35);
  background: rgba(15, 31, 61, 0.42);
  color: var(--soft-white);
  font-size: 1.5rem;
  line-height: 1;
  display: grid;
  place-items: center;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: background var(--transition), border-color var(--transition);
}

.home-hero-arrow:hover {
  background: rgba(15, 31, 61, 0.62);
  border-color: rgba(255, 249, 241, 0.55);
}

.home-hero-arrow--prev { left: 16px; }
.home-hero-arrow--next { right: 16px; }

html[dir="rtl"] .home-hero-arrow--prev { left: auto; right: 16px; }
html[dir="rtl"] .home-hero-arrow--next { right: auto; left: 16px; }

.home-hero-dots {
  position: absolute;
  left: 50%;
  bottom: 22px;
  z-index: 4;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
}

.home-hero-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: none;
  border-radius: 999px;
  background: rgba(255, 249, 241, 0.38);
  cursor: pointer;
  transition: width var(--transition), background var(--transition);
}

.home-hero-dot.is-active {
  width: 26px;
  background: var(--soft-white);
}

.home-hero-scroll {
  position: absolute;
  bottom: 22px;
  right: 24px;
  left: auto;
  z-index: 4;
  transform: none;
  width: 36px;
  height: 52px;
  border-radius: 999px;
  border: 1px solid rgba(255, 249, 241, 0.35);
  background: rgba(15, 31, 61, 0.38);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: grid;
  place-items: center;
  transition: border-color var(--transition), background var(--transition);
}

html[dir="rtl"] .home-hero-scroll {
  right: auto;
  left: 24px;
}

.home-hero-scroll:hover {
  border-color: rgba(255, 249, 241, 0.55);
  background: rgba(15, 31, 61, 0.55);
}

.home-hero-scroll-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--soft-white);
  animation: heroScrollPulse 1.8s ease-in-out infinite;
}

@keyframes heroScrollPulse {
  0%, 100% { transform: translateY(-4px); opacity: 0.45; }
  50% { transform: translateY(5px); opacity: 1; }
}

@media (min-width: 901px) {
  .home-hero-scroll {
    display: none;
  }

  .home-hero-dots {
    bottom: 28px;
  }
}

@media (max-width: 768px) {
  .home-hero {
    height: clamp(460px, 72vh, 620px);
  }

  .home-hero-slide-inner {
    align-items: flex-end;
    padding-bottom: 88px;
  }

  .home-hero-slide-overlay {
    background:
      linear-gradient(
        0deg,
        rgba(15, 31, 61, 0.88) 0%,
        rgba(15, 31, 61, 0.55) 38%,
        rgba(15, 31, 61, 0.15) 68%,
        transparent 100%
      );
  }

  html[dir="rtl"] .home-hero-slide-overlay {
    background:
      linear-gradient(
        0deg,
        rgba(15, 31, 61, 0.88) 0%,
        rgba(15, 31, 61, 0.55) 38%,
        rgba(15, 31, 61, 0.15) 68%,
        transparent 100%
      );
  }

  .home-hero-slide-title {
    font-size: clamp(1.65rem, 6.5vw, 2.1rem);
  }

  .home-hero-arrow {
    display: none;
  }

  .home-hero-scroll {
    display: none;
  }

  .home-hero-slide-actions .btn {
    width: 100%;
  }

  .home-hero-dots {
    bottom: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .home-hero-slide {
    transition: none;
  }

  .home-hero-slide-img {
    animation: none;
    transform: none;
  }

  .home-hero-scroll-dot {
    animation: none;
  }
}

.home-hero .portrait-fallback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 0;
  background:
    linear-gradient(160deg, var(--warm-beige), var(--sand));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--text-muted);
  text-align: center;
  padding: 24px;
}

.portrait-fallback strong {
  color: var(--text);
  font-size: 1.1rem;
}

.portrait-fallback span {
  font-size: 0.85rem;
  max-width: 220px;
}

/* Intro text below hero */
.home-intro {
  padding-top: 56px;
  margin-top: -1px;
}

.home-intro-inner {
  max-width: 640px;
}

.home-intro h1 {
  font-family: var(--display);
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  line-height: 1.1;
  font-weight: 400;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
}

.home-intro .intro {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 540px;
  margin-bottom: 16px;
}

.home-points {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 28px;
}

.home-points li {
  color: var(--text-muted);
  font-size: 0.95rem;
  padding-left: 18px;
  position: relative;
}

.home-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.home-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.account-box {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  background: var(--bg-soft);
  max-width: 420px;
}

.account-box h3 {
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.account-box p {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 14px;
}

.account-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* Quick links */
.quick-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.quick-card {
  padding: 20px 16px;
  text-align: left;
}

.quick-card .num {
  font-family: var(--display);
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 8px;
}

.quick-card h3 {
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.quick-card p {
  font-size: 0.82rem;
  margin-bottom: 12px;
}

.quick-card .link {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
}

/* Shared page bits */
.page-hero {
  padding: calc(var(--nav-h) + 48px) 0 32px;
}

.page-hero h1 {
  font-family: var(--display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.page-hero p {
  color: var(--text-muted);
  max-width: 560px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 650;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-top: 14px;
}

/* Course card */
.course-card .course-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 10px;
}

.badge {
  font-size: 0.7rem;
  font-weight: 650;
  padding: 4px 8px;
  border-radius: 4px;
  background: var(--accent-soft);
  color: var(--accent);
}

/* Past paper table-ish list */
.paper-filters {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
  gap: 12px;
  align-items: end;
  margin-bottom: 18px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-soft);
}

.filter-field {
  display: grid;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 650;
  color: var(--text-muted);
}

.filter-field select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}

.paper-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.paper-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 16px;
  align-items: center;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
}

.paper-row strong { display: block; font-size: 0.95rem; }
.paper-row span { color: var(--text-muted); font-size: 0.8rem; }

.paper-viewer-section { padding-top: 0; }
.paper-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.paper-tabs .btn.active {
  background: var(--primary);
  color: var(--soft-white);
  border-color: var(--primary);
}
.paper-viewer-card { padding: 0; overflow: hidden; }
.paper-media-frame {
  min-height: 70vh;
  background: #0a1428;
}
.paper-media-frame iframe,
.paper-media-frame video {
  width: 100%;
  min-height: 70vh;
  border: 0;
  display: block;
  background: #fff;
}
.paper-pdf-frame {
  width: 100%;
  min-height: 70vh;
  border: none;
  display: block;
}
.paper-locked-preview {
  margin: 0;
  padding: 48px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
}
.paper-protected {
  user-select: none;
  -webkit-user-select: none;
}
.paper-protected iframe,
.paper-protected video {
  pointer-events: auto;
}

/* Detail pages */
.back-link {
  display: inline-block;
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 14px;
}

.back-link:hover { text-decoration: underline; }

/* Course classroom — videos first */
.classroom-bar {
  padding: calc(var(--nav-h) + 20px) 0 8px;
  background: linear-gradient(180deg, var(--bg-soft), transparent);
}

.classroom-bar-inner {
  display: grid;
  gap: 8px;
}

.classroom-bar-title .eyebrow {
  margin-bottom: 4px;
}

.classroom-bar-title h1 {
  font-family: var(--display);
  font-size: clamp(1.55rem, 3.2vw, 2.15rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  margin: 0;
}

.classroom-meta {
  margin-top: 4px;
}

.classroom-section {
  padding-top: 18px;
}

.course-card {
  cursor: pointer;
}

.course-card:hover {
  transform: translateY(-2px);
}

.lesson-card {
  cursor: pointer;
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.lesson-card:hover {
  transform: translateY(-2px);
}

.lesson-card-media {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--bg);
  overflow: hidden;
}

.lesson-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.lesson-card-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  background: linear-gradient(135deg, var(--bg) 0%, var(--accent-soft) 100%);
}

.lesson-card-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
}

.lesson-card-badge.is-locked {
  background: rgba(180, 50, 50, 0.85);
}

.lesson-card-badge.is-free {
  background: rgba(40, 120, 70, 0.85);
}

.lesson-card-body {
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.lesson-card-body h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.lesson-card-body p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.5;
  margin-bottom: 10px;
  flex: 1;
}

.lesson-card-meta {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.lesson-card-cta {
  margin-top: 14px;
  align-self: flex-start;
  pointer-events: auto;
}

.lesson-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 28px;
  align-items: start;
  margin-top: 12px;
}

.lesson-hero-copy {
  min-width: 0;
}

.lesson-hero-copy h1 {
  line-height: 1.15;
  word-break: break-word;
}

.lesson-hero-copy p:empty {
  display: none;
}

.lesson-hero-media {
  padding: 0;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  min-width: 0;
  width: 100%;
}

.lesson-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.lesson-cover-placeholder {
  width: 100%;
  height: 100%;
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  background: linear-gradient(135deg, var(--bg) 0%, var(--accent-soft) 100%);
}

.detail-price {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent);
  margin: 8px 0 0;
}

.detail-note {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.5;
  margin: 0;
}

.lesson-watch-block {
  margin-top: 14px;
}

.lesson-progress-wrap {
  margin: 12px 0 16px;
  padding: 14px;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--accent) 6%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 14%, transparent);
}

.lesson-progress-head {
  margin-bottom: 8px;
}

.lesson-quiz-collapsed {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.lesson-quiz-teaser {
  margin: 0 0 12px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.lesson-quiz-expanded {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  max-width: 100%;
  min-width: 0;
  overflow-x: hidden;
}

.quiz-result-panel {
  max-width: 100%;
  min-width: 0;
  overflow-x: hidden;
}

.quiz-result-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 100%;
}

.lesson-quiz-expanded-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.lesson-quiz-expanded-head h3 {
  margin: 0;
  font-size: 1rem;
}

.lesson-detail-video {
  margin-top: 12px;
}

.detail-layout {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 20px;
  align-items: start;
}

.detail-block {
  margin-bottom: 14px;
}

.detail-block h3 {
  margin-bottom: 10px;
}

.detail-block p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

.detail-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.detail-list li {
  color: var(--text-muted);
  font-size: 0.92rem;
  padding-left: 18px;
  position: relative;
  line-height: 1.5;
}

.detail-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.detail-list.numbered {
  list-style: none;
  counter-reset: detail-item;
}

.detail-list.numbered li {
  padding-left: 28px;
  counter-increment: detail-item;
}

.detail-list.numbered li::before {
  content: counter(detail-item);
  width: auto;
  height: auto;
  border-radius: 0;
  background: none;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.85rem;
  top: 0.15em;
}

html[dir="rtl"] .detail-list li {
  padding-left: 0;
  padding-right: 18px;
}

html[dir="rtl"] .detail-list li::before {
  left: auto;
  right: 0;
}

html[dir="rtl"] .detail-list.numbered li {
  padding-right: 28px;
}

.detail-aside h3 {
  margin-bottom: 8px;
}

.detail-aside > p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.detail-note {
  margin-top: 14px;
  padding: 12px;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 560;
}

@media (min-width: 901px) {
  html[data-page="lessonDetail"] .lesson-hero {
    padding-bottom: 40px;
  }

  html[data-page="lessonDetail"] .lesson-hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(300px, 440px);
    gap: 40px;
    align-items: center;
  }

  html[data-page="lessonDetail"] .lesson-hero-copy h1 {
    font-size: clamp(2rem, 2.5vw, 2.75rem);
    max-width: 14em;
  }

  html[data-page="lessonDetail"] .lesson-hero-copy p {
    font-size: 1.02rem;
    line-height: 1.65;
    max-width: 38rem;
  }

  html[data-page="lessonDetail"] .lesson-hero-media {
    justify-self: end;
    max-width: 440px;
    box-shadow: var(--shadow-lg);
  }

  html[dir="rtl"][data-page="lessonDetail"] .lesson-hero-media {
    justify-self: start;
  }
}

@media (max-width: 900px) {
  .detail-layout {
    grid-template-columns: 1fr;
    display: flex;
    flex-direction: column;
  }

  html[data-page="lessonDetail"] .detail-layout > .detail-aside {
    order: -1;
  }

  .lesson-hero-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  html[data-page="lessonDetail"] .container {
    width: min(100% - 1.25rem, var(--container));
  }

  html[data-page="lessonDetail"] .page-hero {
    padding: calc(var(--nav-h) + 28px) 0 20px;
  }

  html[data-page="lessonDetail"] .lesson-hero-copy h1 {
    max-width: none;
  }

  html[data-page="lessonDetail"] .lesson-hero-media {
    justify-self: stretch;
    max-width: none;
    box-shadow: var(--shadow);
  }

  html[data-page="lessonDetail"] .page-hero h1 {
    font-size: clamp(1.45rem, 6.5vw, 1.9rem);
    line-height: 1.25;
    word-break: break-word;
  }

  html[data-page="lessonDetail"] .lesson-hero-media {
    aspect-ratio: 16 / 10;
  }

  html[data-page="lessonDetail"] .section-sm {
    padding: 36px 0 48px;
  }

  html[data-page="lessonDetail"] .detail-block,
  html[data-page="lessonDetail"] .lesson-watch-block,
  html[data-page="lessonDetail"] .lesson-watch-block,
  html[data-page="lessonDetail"] .lesson-quiz-panel,
  html[data-page="lessonDetail"] .lesson-quiz-expanded,
  html[data-page="lessonDetail"] .quiz-result-panel {
    max-width: 100%;
    min-width: 0;
    overflow-x: hidden;
  }

  html[data-page="lessonDetail"] .detail-layout > .reveal {
    min-width: 0;
    max-width: 100%;
  }

  html[data-page="lessonDetail"] .quiz-result-actions .btn {
    width: 100%;
  }

  html[data-page="lessonDetail"] .quiz-result-head {
    padding: 12px 14px;
  }

  html[data-page="lessonDetail"] .quiz-result-item {
    padding: 10px 12px;
    gap: 10px;
  }

  html[data-page="lessonDetail"] .detail-aside {
    padding: 16px;
  }

  html[data-page="lessonDetail"] .lesson-quiz-panel {
    padding: 14px;
  }

  html[data-page="lessonDetail"] .lesson-quiz-head {
    flex-direction: column;
    align-items: flex-start;
  }

  html[data-page="lessonDetail"] .quiz-question {
    padding: 12px;
  }

  html[data-page="lessonDetail"] .quiz-question-text {
    font-size: 0.9rem;
  }

  html[data-page="lessonDetail"] .quiz-option {
    padding: 10px 12px;
  }

  html[data-page="lessonDetail"] .quiz-form-actions .btn {
    width: 100%;
    min-width: 0;
  }

  html[data-page="lessonDetail"] .video-frame {
    border-radius: var(--radius-sm);
  }

  html[data-page="lessonDetail"] .btn-block {
    width: 100%;
  }
}

/* Course video classroom */
.course-watch {
  display: grid;
  grid-template-columns: 1.55fr 0.85fr;
  gap: 18px;
  align-items: start;
}

#watch {
  scroll-margin-top: 88px;
}

.video-stage {
  padding: 0;
  overflow: hidden;
}

.video-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #0a1428;
}

.video-frame iframe,
.video-frame video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-protected-shell {
  position: absolute;
  inset: 0;
}

.video-protected-media {
  position: absolute;
  inset: 0;
}

.video-protected-media iframe,
.video-protected-media video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-watermark-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 2;
}

.video-watermark-grid {
  position: absolute;
  inset: -20%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  transform: rotate(-24deg);
  opacity: 0.22;
}

.video-watermark-grid span {
  font-size: clamp(0.72rem, 1.6vw, 0.95rem);
  font-weight: 600;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.55);
  white-space: nowrap;
  text-align: center;
}

.video-watermark-center {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) rotate(-18deg);
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.38);
  letter-spacing: 0.04em;
  white-space: nowrap;
  pointer-events: none;
}

.lesson-protected-note {
  margin: 0 0 12px;
  font-size: 0.88rem;
  color: var(--muted, #64748b);
}

.lesson-protected-page [data-lesson-watch] {
  user-select: none;
  -webkit-user-select: none;
}

.lesson-protected-page .lesson-hero-media img {
  pointer-events: none;
  -webkit-user-drag: none;
  user-select: none;
}

.lesson-video-protected.is-hidden-blur .video-protected-media video,
.lesson-video-protected.is-hidden-blur .video-protected-media iframe {
  filter: blur(18px);
}
  display: block;
  background: #000;
}

.video-placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  text-align: center;
  color: rgba(250, 248, 245, 0.82);
  font-size: 0.95rem;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(212, 195, 175, 0.18), transparent 55%),
    linear-gradient(160deg, #0f1f3d, #17375e 70%);
}

.video-meta {
  padding: 16px 18px 18px;
  border-top: 1px solid var(--border);
}

.video-now-title {
  font-family: var(--display);
  font-size: 1.25rem;
  font-weight: 400;
  margin-bottom: 4px;
}

.video-now-sub {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.lesson-playlist {
  padding: 14px;
  max-height: min(70vh, 640px);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: calc(var(--nav-h) + 12px);
}

.playlist-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
  padding: 2px 4px 10px;
  border-bottom: 1px solid var(--border);
}

.playlist-head h3 {
  margin: 0;
  font-size: 1rem;
}

.playlist-list {
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-right: 2px;
}

.lesson-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: start;
  width: 100%;
  text-align: start;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font: inherit;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.lesson-item:hover {
  background: var(--accent-soft);
}

.lesson-item.is-active {
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
}

.lesson-num {
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  flex-shrink: 0;
}

.lesson-item.is-active .lesson-num {
  background: var(--accent);
  color: var(--soft-white);
}

.lesson-body strong {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: 2px;
}

.lesson-body span {
  color: var(--text-muted);
  font-size: 0.75rem;
}

.lesson-play {
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-top: 2px;
}

.lesson-item.is-locked {
  opacity: 0.72;
}

.lesson-status {
  font-size: 0.85rem;
  flex-shrink: 0;
  min-width: 1.2rem;
  text-align: center;
}

.course-progress-wrap {
  margin-top: 16px;
  max-width: 420px;
}

.course-progress-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.course-progress-bar {
  height: 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  overflow: hidden;
}

.course-progress-bar span {
  display: block;
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
  transition: width 0.35s ease;
}

.course-progress-meta {
  margin: 8px 0 0;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.lesson-locked-box {
  padding: 32px 24px;
  text-align: center;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.lesson-locked-title {
  font-weight: 700;
  font-size: 1.05rem;
}

.lesson-quiz-panel {
  margin-top: 16px;
  padding: 20px;
  border-radius: var(--radius);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}

.lesson-quiz-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}

.lesson-quiz-head h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 400;
}

.lesson-quiz-collapsed .lesson-quiz-head {
  margin-bottom: 0;
}

/* Quiz form */
.quiz-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.quiz-question {
  padding: 16px;
  border-radius: var(--radius);
  background: var(--bg);
  border: 1px solid var(--border);
}

.quiz-question-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

.quiz-question-num {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--primary);
  color: var(--soft-white);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1;
}

.quiz-question-text {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text);
  padding-top: 3px;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.quiz-option {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  background: var(--bg-elevated);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.quiz-option:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  background: color-mix(in srgb, var(--accent-soft) 35%, var(--bg-elevated));
}

.quiz-option:has(input:checked) {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent-soft) 55%, var(--bg-elevated));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 12%, transparent);
}

.quiz-option:has(input:focus-visible) {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.quiz-option input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}

.quiz-option-marker {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 700;
  transition: background var(--transition), color var(--transition);
}

.quiz-option:has(input:checked) .quiz-option-marker {
  background: var(--primary);
  color: var(--soft-white);
}

.quiz-option-text {
  flex: 1;
  min-width: 0;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--text);
}

.quiz-form-actions {
  display: flex;
  justify-content: flex-end;
  padding-top: 4px;
}

html[dir="rtl"] .quiz-form-actions {
  justify-content: flex-start;
}

.quiz-form-actions .btn {
  min-width: 160px;
}

/* Quiz results */
.quiz-result-head {
  padding: 14px 16px;
  border-radius: var(--radius);
  margin-bottom: 14px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  max-width: 100%;
}

.quiz-result-head strong {
  font-size: 1rem;
  line-height: 1.35;
}

.quiz-result-head span {
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.4;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.quiz-result-head.is-pass {
  background: color-mix(in srgb, var(--success) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--success) 35%, transparent);
}

.quiz-result-head.is-pass strong,
.quiz-result-head.is-pass span {
  color: var(--success);
}

.quiz-result-head.is-fail {
  background: color-mix(in srgb, var(--danger) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--danger) 28%, transparent);
}

.quiz-result-head.is-fail strong,
.quiz-result-head.is-fail span {
  color: var(--danger);
}

.quiz-result-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg);
  font-size: 0.88rem;
  max-width: 100%;
  min-width: 0;
}

.quiz-result-icon {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
}

.quiz-result-item.is-correct .quiz-result-icon {
  background: color-mix(in srgb, var(--success) 18%, transparent);
  color: var(--success);
}

.quiz-result-item.is-wrong .quiz-result-icon {
  background: color-mix(in srgb, var(--danger) 14%, transparent);
  color: var(--danger);
}

.quiz-result-content {
  flex: 1;
  min-width: 0;
}

.quiz-result-title {
  margin: 0;
  font-weight: 600;
  color: var(--text);
}

.quiz-result-answers {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 6px 0 0;
  max-width: 100%;
}

.quiz-result-line {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.84rem;
  line-height: 1.5;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.quiz-result-line.is-yours {
  color: var(--danger);
}

.quiz-result-line.is-correct-ans {
  color: var(--success);
  font-weight: 600;
}

.quiz-explain {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin: 8px 0 0;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--accent-soft) 40%, transparent);
  line-height: 1.45;
  word-break: break-word;
  overflow-wrap: anywhere;
  max-width: 100%;
}

.quiz-result-actions {
  margin-top: 14px;
  display: flex;
  justify-content: flex-end;
  max-width: 100%;
}

html[dir="rtl"] .quiz-result-actions {
  justify-content: flex-start;
}

html[dir="rtl"] .lesson-item {
  text-align: right;
}

@media (max-width: 900px) {
  .course-watch {
    grid-template-columns: 1fr;
  }

  .lesson-playlist {
    position: static;
    max-height: 420px;
  }
}

/* Live */
.live-banner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: center;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-soft);
  margin-bottom: 28px;
}

.live-dot {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 650;
  color: var(--danger);
  margin-bottom: 10px;
}

.live-dot::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--danger);
  box-shadow: 0 0 0 4px rgba(185, 28, 28, 0.15);
}

.schedule-item {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.schedule-item:last-child { border-bottom: none; }

/* Chemo AI */
.chemo-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 24px;
  align-items: start;
}

.chat-box {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg);
  min-height: 420px;
  display: flex;
  flex-direction: column;
}

.chat-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-soft);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chat-messages {
  flex: 1;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
  max-height: 340px;
}

.bubble {
  max-width: 90%;
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 0.9rem;
  line-height: 1.5;
}

.bubble.bot {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  align-self: flex-start;
}

.bubble.user {
  background: var(--primary);
  color: var(--soft-white);
  align-self: flex-end;
}


.chat-input {
  display: flex;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--border);
}

.chat-input input {
  flex: 1;
  padding: 11px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  outline: none;
}

.chat-input input:focus { border-color: var(--accent); }

.prompt-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.prompt-chips button {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-muted);
  font-size: 0.8rem;
}

.prompt-chips button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 20px;
}

.form-group { margin-bottom: 14px; }

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 11px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  outline: none;
}

.form-control:focus { border-color: var(--accent); }

select.form-control {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--text-muted) 50%), linear-gradient(135deg, var(--text-muted) 50%, transparent 50%);
  background-position: calc(100% - 16px) calc(50% - 3px), calc(100% - 11px) calc(50% - 3px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-inline-end: 28px;
}

html[dir="rtl"] select.form-control {
  background-position: 11px calc(50% - 3px), 16px calc(50% - 3px);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.auth-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: calc(var(--nav-h) + 20px) 16px 40px;
}

.auth-wrap { width: min(100%, 420px); }

.form-card { padding: 28px; }

.form-footer {
  text-align: center;
  margin-top: 16px;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.form-footer a {
  color: var(--accent);
  font-weight: 600;
}

.info-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.95rem;
}

.info-list li:last-child { border-bottom: none; }

.info-list strong {
  display: block;
  color: var(--text);
  font-size: 0.85rem;
  margin-bottom: 2px;
}

/* Account */
.account-guest {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
  padding: 32px 28px;
}

.account-guest h2 {
  font-family: var(--display);
  font-size: 1.6rem;
  font-weight: 400;
  margin-bottom: 10px;
}

.account-guest p {
  color: var(--text-muted);
}

.account-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.45fr;
  gap: 18px;
  align-items: start;
}

.account-profile {
  text-align: center;
  padding: 28px 22px;
  position: sticky;
  top: calc(var(--nav-h) + 12px);
}

.account-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  margin: 0 auto 14px;
  display: grid;
  place-items: center;
  font-family: var(--display);
  font-size: 1.8rem;
  background: var(--deep-navy);
  color: var(--soft-white);
}

.account-profile h2 {
  font-size: 1.25rem;
  margin-bottom: 4px;
}

.account-email,
.account-joined {
  color: var(--text-muted);
  font-size: 0.88rem;
}

.account-joined { margin-top: 4px; }

.progress-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
}

.progress-item {
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
}

.progress-item strong {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 6px;
}

.progress-item span {
  font-family: var(--display);
  font-size: 1.7rem;
  color: var(--deep-navy);
}

.account-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.account-section-lead {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: -4px 0 16px;
}

.account-empty {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin: 0;
}

.account-lessons-list,
.account-papers-list,
.account-pending-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.account-lesson-row,
.account-paper-row,
.account-pending-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
}

.account-lesson-main,
.account-paper-main {
  flex: 1;
  min-width: 0;
}

.account-lesson-track,
.account-paper-meta {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.account-lesson-row h4,
.account-paper-row h4,
.account-pending-row h4 {
  font-size: 1rem;
  margin: 0 0 10px;
  line-height: 1.35;
}

.account-lesson-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.account-badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.02em;
}

.account-badge--ok {
  background: rgba(34, 120, 80, 0.12);
  color: #1a6b45;
}

.account-badge--muted {
  background: rgba(100, 116, 139, 0.12);
  color: var(--text-muted);
}

.account-badge--warn {
  background: rgba(180, 120, 20, 0.14);
  color: #9a6700;
}

.account-badge--quiz-pass {
  background: rgba(34, 120, 80, 0.12);
  color: #1a6b45;
}

.account-badge--quiz-fail {
  background: rgba(180, 60, 50, 0.1);
  color: #b42318;
}

.account-progress-bar {
  height: 6px;
  border-radius: 999px;
  background: var(--border);
  overflow: hidden;
  margin-bottom: 6px;
  max-width: 280px;
}

.account-progress-bar span {
  display: block;
  height: 100%;
  background: var(--deep-navy);
  border-radius: 999px;
}

.account-progress-label,
.account-quiz-label {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.account-quiz-label {
  margin-top: 6px;
}

.account-row-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .account-lesson-row,
  .account-paper-row,
  .account-pending-row {
    flex-direction: column;
  }

  .account-row-actions {
    align-items: stretch;
    width: 100%;
  }
}

.form-note {
  margin-top: 12px;
  color: var(--success);
  font-weight: 600;
  font-size: 0.9rem;
}

.legal-content {
  max-width: 720px;
}

@media (max-width: 900px) {
  .account-layout {
    grid-template-columns: 1fr;
  }

  .account-profile {
    position: static;
  }
}

/* Footer */
.footer {
  padding: 48px 0 24px;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(2, 1fr);
  gap: 32px;
  margin-bottom: 32px;
}

.footer p {
  color: var(--text-muted);
  margin-top: 12px;
  max-width: 280px;
  font-size: 0.9rem;
}

.footer h4 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  font-weight: 650;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.88rem;
}

.footer-links a:hover { color: var(--text); }

.footer-social {
  margin-top: 16px;
}

.footer-social-label {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 650;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.footer-social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-social-link {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-muted);
  display: grid;
  place-items: center;
  transition: color var(--transition), border-color var(--transition), background var(--transition), transform var(--transition);
}

.footer-social-link svg {
  width: 18px;
  height: 18px;
}

.footer-social-link:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: var(--bg-soft);
  transform: translateY(-1px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.82rem;
}

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.06s; }
.reveal-delay-2 { transition-delay: 0.12s; }

@media (max-width: 1000px) {
  .chemo-layout,
  .contact-grid,
  .live-banner {
    grid-template-columns: 1fr;
  }

  .quick-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .track-grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .menu-toggle { display: flex; }
  .nav-actions .btn-ghost { display: none; }
}

@media (max-width: 640px) {
  .quick-grid,
  .grid-3,
  .grid-2,
  .form-row,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .paper-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .paper-filters {
    grid-template-columns: 1fr;
  }

  .section { padding: 56px 0; }
}

/* Toast notifications */
.farida-toast-root {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

[dir="rtl"] .farida-toast-root {
  right: auto;
  left: 24px;
}

.farida-toast {
  background: var(--surface, #fff);
  color: var(--text, #1a1a1a);
  border: 1px solid var(--border, #ddd);
  border-radius: 10px;
  padding: 12px 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  font-size: 0.9rem;
  max-width: min(360px, calc(100vw - 48px));
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.25s, transform 0.25s;
}

.farida-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.farida-toast-success { border-color: #2F5D50; }
.farida-toast-error { border-color: #c0392b; }
.farida-toast-info { border-color: var(--accent, #c9a227); }

.homework-wrap {
  max-width: 760px;
}

.homework-as {
  margin: 0 0 16px;
  padding: 10px 12px;
  background: var(--bg-soft);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.homework-hint {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 8px 0 0;
}

.homework-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.homework-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px 6px 6px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
  font-size: 0.8rem;
}

.homework-chip img {
  width: 40px;
  height: 40px;
  object-fit: cover;
  border-radius: 6px;
}

.homework-item {
  padding: 16px 0;
  border-top: 1px solid var(--border);
}

.homework-item:first-child {
  border-top: none;
  padding-top: 0;
}

.homework-item-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.homework-item-head h3 {
  font-size: 1.05rem;
  margin: 0;
}

.homework-meta,
.homework-note {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin: 6px 0;
}

.homework-thumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.homework-thumb img {
  width: 84px;
  height: 84px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.homework-file-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-weight: 600;
  font-size: 0.85rem;
}

.homework-feedback {
  margin-top: 10px;
  padding: 10px 12px;
  background: var(--bg-soft);
  border-radius: var(--radius-sm);
}

.homework-status {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 999px;
  white-space: nowrap;
}

.homework-status-new {
  background: #f4ead2;
  color: #7a5a12;
}

.homework-status-reviewed {
  background: #dcebe4;
  color: #2f5d50;
}

.homework-status-returned {
  background: var(--bg-soft);
  color: var(--text-muted);
}

.lesson-homework-panel {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(47, 93, 80, 0.12);
}

.lesson-homework-panel h3 {
  margin: 0 0 8px;
}

.lesson-homework-lead {
  color: var(--text-muted);
  margin: 0 0 16px;
  max-width: 42rem;
}

.lesson-homework-panel .homework-form {
  margin: 0;
}

.lesson-homework-panel .homework-list-card h4 {
  margin: 0 0 12px;
  font-size: 1.05rem;
}