/* ====================================================
   VARIATION 2 — Dashboard Style
   Same brand palette. New dashboard-first layout.
   ==================================================== */

/* === Base Variables === */
:root {
  --color-primary: #b30000;
  --color-primary-dark: #8f0000;
  --color-primary-light: #e02a2a;
  --color-bg: #efe2da;
  --color-bg-soft: #f7eee8;
  --color-card: #fffaf6;
  --color-card-muted: #f2e4dc;
  --color-text: #2a1815;
  --color-text-muted: #7a625c;
  --color-border: rgba(120, 40, 30, 0.14);
  --color-shadow: rgba(80, 30, 20, 0.14);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --container-width: 1200px;
}

[data-theme="dark"] {
  --color-primary:       #d71920;
  --color-primary-dark:  #a90f14;
  --color-primary-light: #ff4b4f;

  /* Layered background — darkest at root */
  --color-bg:            #120908;
  --color-bg-soft:       #1a0d0c;

  /* Cards sit above the background */
  --color-card:          #241413;
  --color-card-muted:    #2d1917;
  --color-card-soft:     #35201d;

  --color-text:          #fff7f2;
  --color-text-muted:    #cdb5ad;
  --color-text-soft:     #a98e86;

  --color-border:        rgba(255, 90, 80, 0.16);
  --color-border-strong: rgba(255, 90, 80, 0.28);
  --color-shadow:        rgba(0, 0, 0, 0.50);
}

/* === Reset === */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "Cairo", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.97rem;
}
a {
  text-decoration: none;
}
a,
button,
input,
select,
textarea {
  transition: 0.22s ease;
}
.container {
  max-width: var(--container-width);
}

/* === Shared Utilities === */
.eyebrow {
  display: inline-flex;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--color-primary) 12%, transparent);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.82rem;
}
.badge-soft {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.28rem 0.62rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--color-primary) 12%, transparent);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.78rem;
}
.badge-state {
  display: inline-flex;
  padding: 0.28rem 0.58rem;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
  background: color-mix(in srgb, var(--color-primary) 14%, transparent);
  color: var(--color-primary);
}
.badge-state.is-free {
  background: color-mix(in srgb, #1e9c4a 14%, transparent);
  color: #1e9c4a;
}
.badge-state.warning {
  background: color-mix(in srgb, #d19b00 16%, transparent);
  color: #9a6400;
}
.badge-state.locked {
  background: color-mix(in srgb, #888 14%, transparent);
  color: #666;
}
.meta-row,
.card-meta {
  color: var(--color-text-muted);
  font-size: 0.88rem;
}
.progress {
  height: 8px;
  background: var(--color-card-muted);
  border-radius: 999px;
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-primary-light)
  );
  border-radius: 999px;
}

/* === Buttons === */
.btn {
  border-radius: 999px;
  font-weight: 700;
  padding: 0.7rem 1.2rem;
  font-size: 0.9rem;
}
.btn-primary {
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-primary-dark)
  );
  color: #fff;
  border: 0;
  box-shadow: 0 10px 24px
    color-mix(in srgb, var(--color-primary) 28%, transparent);
}
.btn-primary:hover {
  transform: translateY(-1px);
  color: #fff;
}
.btn-outline {
  border: 1px solid var(--color-border);
  color: var(--color-text);
  background: color-mix(in srgb, var(--color-card) 70%, transparent);
}
.btn-outline:hover {
  transform: translateY(-1px);
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-ghost {
  border: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-card) 55%, transparent);
  color: var(--color-text);
}
.btn-ghost:hover {
  transform: translateY(-1px);
}
.btn-primary-soft {
  color: var(--color-primary);
  border: 1px solid color-mix(in srgb, var(--color-primary) 22%, transparent);
  background: color-mix(in srgb, var(--color-primary) 8%, transparent);
}
.btn-primary-soft:hover {
  background: color-mix(in srgb, var(--color-primary) 14%, transparent);
  color: var(--color-primary);
}
.btn-sm {
  padding: 0.48rem 0.9rem;
  font-size: 0.83rem;
}
.btn:focus {
  box-shadow: 0 0 0 0.2rem
    color-mix(in srgb, var(--color-primary) 18%, transparent);
}

/* === Surface Cards === */
.v2-surface {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 20px var(--color-shadow);
}
.v2-surface-sm {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 12px var(--color-shadow);
}
.v2-panel {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: 0 6px 28px var(--color-shadow);
  padding: 22px;
}
.v2-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}
.v2-panel-title {
  font-weight: 800;
  font-size: 1rem;
  color: var(--color-text);
  margin: 0;
}

/* === Navbar === */
.site-header {
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 1030;
}
.site-header.nav-scrolled {
  box-shadow: 0 6px 24px var(--color-shadow);
}
.navbar {
  background: color-mix(in srgb, var(--color-card) 88%, transparent);
  border-bottom: 1px solid var(--color-border);
}
.navbar-shell {
  display: flex;
  direction: ltr;
  min-height: 72px;
  padding: 12px 0;
  gap: 0.8rem;
  align-items: center;
}
.navbar-shell > * {
  direction: rtl;
}
.brand-block {
  flex: 0 0 auto;
  margin-inline-end: 2rem;
}
.brand-block strong {
  font-size: 1.05rem;
  line-height: 1.1;
}
.brand-block small {
  font-size: 0.8rem;
  line-height: 1;
}
.main-nav {
  flex: 1 1 auto;
  min-width: 0;
}
.main-nav-list {
  gap: 0.8rem 1.2rem;
  justify-content: center;
  align-items: center;
  flex-wrap: nowrap;
  white-space: nowrap;
}
.main-nav-list .nav-link {
  font-size: 0.92rem;
  padding: 0.55rem 0.85rem !important;
}
.nav-actions {
  flex: 0 0 auto;
  gap: 0.6rem;
  align-items: center;
}
.nav-link {
  border-radius: 999px;
  padding: 0.55rem 0.9rem !important;
}
.nav-link,
.navbar-brand {
  color: var(--color-text-muted);
}
.nav-link.active,
.nav-link:hover,
.nav-link:focus {
  color: var(--color-primary) !important;
  background: color-mix(in srgb, var(--color-primary) 10%, transparent);
}
.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-primary-light)
  );
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  box-shadow: 0 6px 18px var(--color-shadow);
}
.student-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-primary-light)
  );
  color: #fff;
  font-weight: 800;
  font-size: 0.9rem;
}
.student-menu-btn {
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
}
.student-meta {
  line-height: 1.05;
}
.student-meta strong {
  font-size: 0.92rem;
}
.student-meta small {
  font-size: 0.76rem;
  color: var(--color-text-muted);
}
.theme-toggle {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.theme-toggle i {
  font-size: 0.95rem;
}
.nav-cta {
  padding: 0.6rem 1rem;
  font-size: 0.88rem;
}

/* Dropdown */
.navbar .dropdown-menu {
  border: 1px solid var(--color-border);
  background: var(--color-card);
  border-radius: 18px;
  box-shadow: 0 14px 36px var(--color-shadow);
  padding: 0.45rem;
  min-width: 210px;
}
.navbar .dropdown-item {
  border-radius: 10px;
  padding: 0.6rem 0.75rem;
  color: var(--color-text);
  font-size: 0.88rem;
}
.navbar .dropdown-item:hover {
  background: color-mix(in srgb, var(--color-primary) 10%, transparent);
  color: var(--color-primary);
}
.navbar .dropdown-item-danger {
  color: #dc3545;
}
.navbar .dropdown-item-danger:hover {
  background: rgba(220, 53, 69, 0.09);
  color: #c0392b;
}
.navbar .dropdown-divider {
  border-color: var(--color-border);
}
.navbar-toggler {
  border-color: var(--color-border);
}
.nav-mobile-actions {
  padding: 12px 0 4px;
}

/* === Section Padding === */
.v2-section {
  padding: 32px 0;
}
.v2-section-sm {
  padding: 20px 0;
}
.v2-section-head {
  margin-bottom: 18px;
}
.v2-section-head h2 {
  font-size: clamp(1.15rem, 1.8vw, 1.45rem);
  font-weight: 800;
  margin: 0;
  color: var(--color-text);
}

/* ====================================================
   WELCOME BANNER
   ==================================================== */
.v2-welcome {
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--color-primary) 10%, var(--color-card)),
    var(--color-card)
  );
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 22px 28px;
  box-shadow: 0 6px 28px var(--color-shadow);
}
.v2-welcome-title {
  font-size: clamp(1.3rem, 2.2vw, 1.85rem);
  font-weight: 800;
  color: var(--color-text);
  margin: 0 0 6px;
}
.v2-welcome-meta {
  font-size: 0.88rem;
  color: var(--color-text-muted);
}
.v2-welcome-progress-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}
.v2-continue-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--color-primary) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-primary) 18%, transparent);
  font-size: 0.82rem;
  color: var(--color-text-muted);
}
.v2-continue-pill .pill-label {
  font-weight: 700;
  color: var(--color-text);
}

/* ====================================================
   QUICK ACCESS GRID
   ==================================================== */
.v2-quick-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}
.v2-quick-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  box-shadow: 0 2px 12px var(--color-shadow);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease,
    border-color 0.22s ease;
}
.v2-quick-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 28px var(--color-shadow);
  border-color: color-mix(in srgb, var(--color-primary) 28%, transparent);
  color: var(--color-text);
}
.v2-quick-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--color-primary) 10%, transparent);
  font-size: 1.2rem;
  color: var(--color-primary);
}
.v2-quick-label {
  font-weight: 800;
  font-size: 0.88rem;
  color: var(--color-text);
}
.v2-quick-status {
  font-size: 0.74rem;
  color: var(--color-text-muted);
}
.v2-quick-arrow {
  font-size: 0.7rem;
  color: var(--color-primary);
  margin-top: auto;
}

/* ====================================================
   CONTINUE LEARNING CARD
   ==================================================== */
.v2-continue-card {
  background: var(--color-card);
  border: 1px solid color-mix(in srgb, var(--color-primary) 20%, transparent);
  border-radius: var(--radius-xl);
  padding: 22px;
  box-shadow: 0 6px 28px var(--color-shadow);
  position: relative;
  overflow: hidden;
}
.v2-continue-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 5px;
  background: linear-gradient(
    180deg,
    var(--color-primary),
    var(--color-primary-light)
  );
  border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
}
.v2-continue-title {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 4px;
}
.v2-continue-meta {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 14px;
}
.v2-continue-progress-wrap {
  margin-bottom: 16px;
}
.v2-continue-pct {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--color-primary);
}

/* ====================================================
   STATS ROW
   ==================================================== */
.v2-stat-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  box-shadow: 0 2px 12px var(--color-shadow);
  display: flex;
  align-items: center;
  gap: 14px;
}
.v2-stat-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--color-primary) 10%, transparent);
  color: var(--color-primary);
  font-size: 1.1rem;
}
.v2-stat-value {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
}
.v2-stat-label {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ====================================================
   STUDY ROADMAP (v2 unit cards)
   ==================================================== */
.v2-unit-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.v2-unit-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  box-shadow: 0 2px 10px var(--color-shadow);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  transition: border-color 0.22s ease;
}
.v2-unit-card:hover {
  border-color: color-mix(in srgb, var(--color-primary) 25%, transparent);
}
.v2-unit-card.is-active {
  border-color: color-mix(in srgb, var(--color-primary) 35%, transparent);
  background: color-mix(in srgb, var(--color-primary) 4%, var(--color-card));
}
.v2-unit-card.is-locked {
  opacity: 0.6;
}
.v2-unit-name {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-text);
  margin-bottom: 2px;
}
.v2-unit-desc {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}
.v2-unit-pct {
  font-weight: 800;
  font-size: 0.92rem;
  color: var(--color-primary);
  white-space: nowrap;
}

/* ====================================================
   TEACHER MESSAGE
   ==================================================== */
.v2-teacher-msg {
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--color-primary) 8%, var(--color-card)),
    var(--color-card)
  );
  border: 1px solid color-mix(in srgb, var(--color-primary) 18%, transparent);
  border-radius: var(--radius-lg);
  padding: 18px;
}
.v2-teacher-avatar {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-primary-light)
  );
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.v2-teacher-msg-text {
  font-size: 0.88rem;
  color: var(--color-text);
  line-height: 1.6;
}

/* ====================================================
   EXAM TABLE / CARDS
   ==================================================== */
.v2-exam-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
}
.v2-exam-row:last-child {
  border-bottom: none;
}
.v2-exam-name {
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--color-text);
}
.v2-exam-date {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}
.v2-score-badge {
  min-width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  flex-shrink: 0;
  background: color-mix(in srgb, var(--color-primary) 12%, transparent);
  color: var(--color-primary);
}
.v2-score-badge.good {
  background: color-mix(in srgb, #1e9c4a 12%, transparent);
  color: #1e9c4a;
}
.v2-score-badge.mid {
  background: color-mix(in srgb, #d19b00 14%, transparent);
  color: #8a6400;
}

/* ====================================================
   QUESTION PREVIEW CARDS
   ==================================================== */
.v2-q-card {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.v2-q-card:last-child {
  border-bottom: none;
}
.v2-q-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--color-primary) 10%, transparent);
  color: var(--color-primary);
  font-size: 0.9rem;
}
.v2-q-title {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-text);
  margin-bottom: 2px;
}
.v2-q-meta {
  font-size: 0.76rem;
  color: var(--color-text-muted);
}

/* ====================================================
   BOOK CARDS (v2)
   ==================================================== */
.v2-book-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: 0 2px 12px var(--color-shadow);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease;
}
.v2-book-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px var(--color-shadow);
}
.v2-book-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--color-primary) 10%, transparent);
  color: var(--color-primary);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.v2-book-name {
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--color-text);
}
.v2-book-meta {
  font-size: 0.76rem;
  color: var(--color-text-muted);
}
.v2-book-price {
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--color-primary);
}

/* ====================================================
   RECOMMENDED CONTENT
   ==================================================== */
.v2-rec-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: 0 2px 12px var(--color-shadow);
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease,
    border-color 0.22s ease;
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
}
.v2-rec-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 28px var(--color-shadow);
  border-color: color-mix(in srgb, var(--color-primary) 22%, transparent);
}
.v2-rec-icon {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--color-primary) 10%, transparent);
  color: var(--color-primary);
  font-size: 1rem;
  margin-bottom: 4px;
}
.v2-rec-title {
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--color-text);
}
.v2-rec-desc {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  flex: 1;
}

/* ====================================================
   LECTURES PAGE (v2)
   ==================================================== */
.v2-lectures-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 20px;
  align-items: start;
}
.v2-filter-sidebar {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 18px;
  box-shadow: 0 4px 20px var(--color-shadow);
  position: sticky;
  top: 88px;
}
.v2-filter-sidebar h3 {
  font-weight: 800;
  font-size: 0.95rem;
  margin-bottom: 14px;
  color: var(--color-text);
}
.v2-filter-group {
  margin-bottom: 14px;
}
.v2-filter-group label {
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 5px;
  display: block;
}
.v2-unit-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.v2-unit-nav-btn {
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  text-align: right;
  cursor: pointer;
  transition: 0.2s ease;
}
.v2-unit-nav-btn.active,
.v2-unit-nav-btn:hover {
  background: color-mix(in srgb, var(--color-primary) 10%, transparent);
  color: var(--color-primary);
}
.v2-lecture-group {
  margin-bottom: 28px;
}
.v2-lecture-group-title {
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 8px;
}
.v2-lecture-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: 0 2px 12px var(--color-shadow);
  transition:
    transform 0.22s,
    box-shadow 0.22s,
    border-color 0.22s;
  height: 100%;
}
.v2-lecture-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px var(--color-shadow);
}
.v2-lecture-card.is-locked {
  opacity: 0.7;
}
.v2-lecture-card.is-active {
  border-color: color-mix(in srgb, var(--color-primary) 30%, transparent);
}
.v2-lecture-title {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--color-text);
  margin: 8px 0 4px;
}
.v2-lecture-meta {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

/* ====================================================
   PACKAGES PAGE (v2)
   ==================================================== */
.v2-current-package {
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--color-primary) 12%, var(--color-card)),
    var(--color-card)
  );
  border: 1px solid color-mix(in srgb, var(--color-primary) 22%, transparent);
  border-radius: var(--radius-xl);
  padding: 28px;
  box-shadow: 0 8px 32px var(--color-shadow);
}
.v2-package-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: 0 2px 14px var(--color-shadow);
  height: 100%;
  transition:
    transform 0.22s,
    box-shadow 0.22s;
}
.v2-package-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 28px var(--color-shadow);
}
.v2-package-price {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}
.v2-feature-list {
  list-style: none;
  padding: 0;
  margin: 14px 0;
}
.v2-feature-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}
.v2-feature-list li i {
  color: var(--color-primary);
  font-size: 0.9rem;
}

/* ====================================================
   QUESTIONS PAGE (v2)
   ==================================================== */
.v2-questions-layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 20px;
  align-items: start;
}
.v2-ask-panel {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 22px;
  box-shadow: 0 4px 20px var(--color-shadow);
  position: sticky;
  top: 88px;
}
.v2-q-feed-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: 0 2px 12px var(--color-shadow);
  transition:
    transform 0.22s,
    box-shadow 0.22s;
}
.v2-q-feed-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--color-shadow);
}

/* ====================================================
   PROFILE PAGE (v2)
   ==================================================== */
.v2-profile-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 20px;
  align-items: start;
}
.v2-profile-sidebar {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 4px 20px var(--color-shadow);
  position: sticky;
  top: 88px;
}
.v2-profile-sidebar-header {
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-primary-light)
  );
  padding: 28px 22px 22px;
  text-align: center;
  color: #fff;
}
.v2-profile-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  border: 3px solid rgba(255, 255, 255, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: 800;
  margin: 0 auto 10px;
}
.v2-profile-name {
  font-weight: 800;
  font-size: 1.05rem;
  margin-bottom: 2px;
}
.v2-profile-grade {
  font-size: 0.82rem;
  opacity: 0.85;
}
.v2-profile-sidebar-body {
  padding: 18px;
}
.v2-profile-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 9px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.83rem;
}
.v2-profile-info-row:last-child {
  border-bottom: none;
}
.v2-profile-info-label {
  color: var(--color-text-muted);
}
.v2-profile-info-value {
  font-weight: 700;
  color: var(--color-text);
}
.v2-package-badge {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--color-primary) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-primary) 18%, transparent);
  margin: 12px 0;
  font-size: 0.82rem;
}
.v2-package-badge strong {
  color: var(--color-primary);
  font-size: 0.85rem;
}
.v2-weak-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  box-shadow: 0 2px 10px var(--color-shadow);
  border-right: 3px solid var(--color-primary);
}
.v2-weak-card h4 {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}
.v2-weak-card p {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* ====================================================
   FORMS (shared)
   ==================================================== */
.form-control,
.form-select {
  min-height: 44px;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-card) 85%, transparent);
  color: var(--color-text);
  font-size: 0.88rem;
}
.form-control:focus,
.form-select:focus {
  box-shadow: 0 0 0 0.2rem
    color-mix(in srgb, var(--color-primary) 18%, transparent);
  border-color: var(--color-primary);
  background: var(--color-card);
}
.form-control::placeholder {
  color: color-mix(in srgb, var(--color-text-muted) 75%, transparent);
}
.form-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-text-muted);
}
.upload-box {
  min-height: 78px;
  display: grid;
  place-items: center;
  text-align: center;
  border: 1px dashed var(--color-border);
  border-radius: 12px;
  color: var(--color-text-muted);
  background: color-mix(in srgb, var(--color-card-muted) 60%, transparent);
  font-size: 0.82rem;
}

/* ====================================================
   ACCORDION
   ==================================================== */
.custom-accordion .accordion-item {
  border: 1px solid var(--color-border);
  border-radius: 14px;
  overflow: hidden;
  background: color-mix(in srgb, var(--color-card) 88%, transparent);
  margin-bottom: 10px;
}
.custom-accordion .accordion-button {
  background: transparent;
  color: var(--color-text);
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: none;
}
.custom-accordion .accordion-button:not(.collapsed) {
  color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 8%, transparent);
}
.custom-accordion .accordion-body {
  color: var(--color-text-muted);
  font-size: 0.88rem;
}

/* ====================================================
   MODAL
   ==================================================== */
.v2-modal .modal-content {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  color: var(--color-text);
}
.v2-modal .btn-close {
  filter: invert(0.4) sepia(1) saturate(0) brightness(0.5);
}
[data-theme="dark"] .v2-modal .btn-close {
  filter: invert(1) grayscale(100%);
}
.v2-modal .modal-header {
  border-bottom: 1px solid var(--color-border);
}
.v2-modal .modal-footer {
  border-top: 1px solid var(--color-border);
}

/* ====================================================
   FOOTER
   ==================================================== */
.v2-footer {
  padding: 18px 0 12px;
  border-top: 1px solid var(--color-border);
  margin-top: 20px;
}
.v2-footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}
.v2-version-switcher {
  display: flex;
  align-items: center;
  gap: 6px;
}
.v2-version-btn {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 700;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: 0.2s ease;
}
.v2-version-btn:hover,
.v2-version-btn.active {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 8%, transparent);
}

/* ====================================================
   ANIMATE ON SCROLL
   ==================================================== */
[data-animate] {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 0.55s ease,
    transform 0.55s ease;
}
[data-animate].in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ====================================================
   PAGE BANNER (inner pages)
   ==================================================== */
.v2-page-banner {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 20px 24px;
  box-shadow: 0 4px 20px var(--color-shadow);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.v2-page-banner-title {
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  font-weight: 800;
  color: var(--color-text);
  margin: 0;
}

/* Empty state */
.v2-empty {
  padding: 32px;
  text-align: center;
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--color-card) 88%, transparent);
  border: 1px dashed var(--color-border);
  color: var(--color-text-muted);
}

/* ====================================================
   RESPONSIVE
   ==================================================== */
@media (max-width: 1100px) {
  .v2-lectures-layout {
    grid-template-columns: 200px 1fr;
  }
  .v2-questions-layout {
    grid-template-columns: 320px 1fr;
  }
  .v2-profile-layout {
    grid-template-columns: 240px 1fr;
  }
}

@media (max-width: 991.98px) {
  .v2-quick-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .v2-lectures-layout {
    grid-template-columns: 1fr;
  }
  .v2-questions-layout {
    grid-template-columns: 1fr;
  }
  .v2-profile-layout {
    grid-template-columns: 1fr;
  }
  .v2-filter-sidebar,
  .v2-ask-panel,
  .v2-profile-sidebar {
    position: static;
  }
  .navbar-shell {
    padding: 10px 0;
  }
}

@media (max-width: 767.98px) {
  .v2-quick-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .v2-welcome {
    padding: 16px 18px;
  }
  .v2-section {
    padding: 20px 0;
  }
  .v2-welcome-title {
    font-size: 1.2rem;
  }
  .v2-exam-row {
    grid-template-columns: 1fr auto;
  }
  .v2-profile-info-row {
    font-size: 0.78rem;
  }
}

@media (max-width: 480px) {
  .v2-quick-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .v2-quick-icon {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }
  .v2-quick-label {
    font-size: 0.8rem;
  }
}

/* ====================================================
   DARK MODE OVERRIDES — Variation 2
   ==================================================== */

/* --- Body & Page Background --- */
[data-theme="dark"] body {
  background:
    radial-gradient(circle at top right, rgba(120, 20, 20, 0.18), transparent 34%),
    linear-gradient(180deg, #120908 0%, #1a0d0c 45%, #100706 100%);
  color: var(--color-text);
}

/* --- Navbar --- */
[data-theme="dark"] .navbar {
  background: rgba(36, 20, 19, 0.96);
  border-bottom-color: rgba(255, 90, 80, 0.14);
}
[data-theme="dark"] .navbar .dropdown-menu {
  background: var(--color-card);
  border-color: var(--color-border);
}
[data-theme="dark"] .navbar .dropdown-item:hover {
  background: var(--color-card-soft);
}

/* --- Shared surfaces --- */
[data-theme="dark"] .v2-surface {
  background: var(--color-card);
  border-color: var(--color-border);
  box-shadow: 0 8px 28px var(--color-shadow);
}
[data-theme="dark"] .v2-surface-sm {
  background: var(--color-card-muted);
  border-color: var(--color-border);
}
[data-theme="dark"] .v2-panel {
  background: var(--color-card);
  border-color: var(--color-border);
  box-shadow: 0 8px 28px var(--color-shadow);
}

/* --- Welcome banner --- */
[data-theme="dark"] .v2-welcome {
  background: linear-gradient(135deg, #351312 0%, #24100f 50%, #160908 100%);
  border-color: rgba(255, 80, 70, 0.20);
}

/* --- Quick access cards --- */
[data-theme="dark"] .v2-quick-card {
  background: var(--color-card-muted);
  border-color: var(--color-border);
}
[data-theme="dark"] .v2-quick-card:hover {
  background: var(--color-card-soft);
  border-color: rgba(255, 90, 80, 0.26);
}

/* --- Continue learning card --- */
[data-theme="dark"] .v2-continue-card {
  background: linear-gradient(135deg, #2d1614 0%, #1e0d0c 100%);
  border-color: rgba(255, 80, 70, 0.22);
}
[data-theme="dark"] .v2-continue-card::before {
  background: linear-gradient(180deg, var(--color-primary), var(--color-primary-light));
}

/* --- Stat cards --- */
[data-theme="dark"] .v2-stat-card {
  background: var(--color-card-muted);
  border-color: var(--color-border);
}
[data-theme="dark"] .v2-stat-icon {
  background: rgba(215, 25, 32, 0.14);
}

/* --- Unit cards (roadmap) --- */
[data-theme="dark"] .v2-unit-card {
  background: var(--color-card);
  border-color: var(--color-border);
}
[data-theme="dark"] .v2-unit-card.is-active {
  background: #2a1513;
  border-color: rgba(255, 75, 79, 0.30);
}

/* --- Teacher message --- */
[data-theme="dark"] .v2-teacher-msg {
  background: linear-gradient(135deg, #2a1412, #1c0e0d);
  border-color: rgba(255, 80, 70, 0.20);
}

/* --- Recommended cards --- */
[data-theme="dark"] .v2-rec-card {
  background: var(--color-card);
  border-color: var(--color-border);
}
[data-theme="dark"] .v2-rec-card:hover {
  background: var(--color-card-muted);
  border-color: rgba(255, 90, 80, 0.26);
}

/* --- Exam rows --- */
[data-theme="dark"] .v2-exam-row {
  border-bottom-color: var(--color-border);
}

/* --- Question cards --- */
[data-theme="dark"] .v2-q-feed-card {
  background: var(--color-card);
  border-color: var(--color-border);
}
[data-theme="dark"] .v2-q-feed-card:hover {
  background: var(--color-card-muted);
}
[data-theme="dark"] .v2-q-card {
  border-bottom-color: var(--color-border);
}

/* --- Book cards --- */
[data-theme="dark"] .v2-book-card {
  background: var(--color-card);
  border-color: var(--color-border);
}
[data-theme="dark"] .v2-book-card:hover {
  background: var(--color-card-muted);
}

/* --- Lecture cards --- */
[data-theme="dark"] .v2-lecture-card {
  background: var(--color-card);
  border-color: var(--color-border);
}
[data-theme="dark"] .v2-lecture-card.is-active {
  background: #2a1513;
  border-color: rgba(255, 75, 79, 0.28);
}
[data-theme="dark"] .v2-lecture-card:hover {
  background: var(--color-card-muted);
}

/* --- Filter sidebar & ask panel --- */
[data-theme="dark"] .v2-filter-sidebar,
[data-theme="dark"] .v2-ask-panel {
  background: var(--color-card);
  border-color: var(--color-border);
}

/* --- Package cards --- */
[data-theme="dark"] .v2-current-package {
  background: linear-gradient(135deg, #351312 0%, #24100f 50%, #160908 100%);
  border-color: rgba(255, 80, 70, 0.24);
}
[data-theme="dark"] .v2-package-card {
  background: var(--color-card);
  border-color: var(--color-border);
}
[data-theme="dark"] .v2-package-card:hover {
  background: var(--color-card-muted);
}

/* --- Profile sidebar --- */
[data-theme="dark"] .v2-profile-sidebar {
  background: var(--color-card);
  border-color: var(--color-border);
}
[data-theme="dark"] .v2-profile-sidebar-header {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
}
[data-theme="dark"] .v2-profile-info-row {
  border-bottom-color: var(--color-border);
}
[data-theme="dark"] .v2-package-badge {
  background: rgba(215, 25, 32, 0.10);
  border-color: rgba(255, 80, 70, 0.20);
}

/* --- Weak point cards --- */
[data-theme="dark"] .v2-weak-card {
  background: var(--color-card-muted);
  border-color: var(--color-border);
  border-right-color: var(--color-primary);
}

/* --- Page banner --- */
[data-theme="dark"] .v2-page-banner {
  background: var(--color-card);
  border-color: var(--color-border);
}

/* --- Empty state --- */
[data-theme="dark"] .v2-empty {
  background: rgba(36, 20, 19, 0.60);
  border-color: rgba(255, 90, 80, 0.14);
}

/* --- Progress bars --- */
[data-theme="dark"] .progress {
  background: rgba(255, 255, 255, 0.10);
}

/* --- Forms --- */
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
  background: #1e1110;
  border-color: rgba(255, 90, 80, 0.18);
  color: var(--color-text);
}
[data-theme="dark"] .form-control::placeholder {
  color: #a98e86;
}
[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
  background: #241413;
  border-color: var(--color-primary);
}
[data-theme="dark"] .upload-box {
  background: rgba(45, 25, 23, 0.55);
  border-color: rgba(255, 90, 80, 0.16);
}

/* --- Accordions --- */
[data-theme="dark"] .custom-accordion .accordion-item {
  background: var(--color-card);
  border-color: var(--color-border);
}
[data-theme="dark"] .custom-accordion .accordion-button {
  background: transparent;
  color: var(--color-text);
}
[data-theme="dark"] .custom-accordion .accordion-button:not(.collapsed) {
  background: var(--color-card-muted);
  color: var(--color-primary);
}

/* --- Modals --- */
[data-theme="dark"] .v2-modal .modal-content {
  background: var(--color-card);
  border-color: var(--color-border);
}
[data-theme="dark"] .v2-modal .modal-header,
[data-theme="dark"] .v2-modal .modal-footer {
  border-color: var(--color-border);
}

/* --- Footer --- */
[data-theme="dark"] .v2-footer {
  border-top-color: var(--color-border);
}