/* ═══════════════════════════════════════════════════════
   AllgiftPrep — Premium Design System
   Past Questions Platform for BECE & WASSCE
   ═══════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;0,9..40,800;1,9..40,400&family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,600;0,9..144,700;0,9..144,800;0,9..144,900;1,9..144,400&display=swap');

:root {
  /* ── Brand ── */
  --p: #0f766e;
  --p-light: #14b8a6;
  --p-pale: #ccfbf1;
  --p-dark: #0a5c56;
  --s: #0369a1;
  --s-light: #38bdf8;
  --accent: #ea580c;
  --accent-light: #fb923c;

  /* ── Surfaces ── */
  --bg: #f0f5f4;
  --bg-alt: #e8efee;
  --card: #ffffff;
  --card-alt: #f8fafa;
  --border: #d5e0de;
  --border-light: #e8efee;

  /* ── Text ── */
  --text: #0f1b1a;
  --text2: #1e3330;
  --text3: #3d6562;
  --text4: #4a6b67;
  --text-inv: #ffffff;

  /* ── Semantic ── */
  --success: #059669;
  --warning: #d97706;
  --danger: #dc2626;
  --info: #0284c7;
  /* Accent colours used as text: each passes 4.5:1 on cards, page backgrounds and pale tints. */
  --p-text: var(--p);
  --s-text: var(--s);
  --accent-text: #9a3412;
  --success-text: #047857;
  --warning-text: #92400e;
  --danger-text: #b91c1c;
  --info-text: #0369a1;

  /* ── Effects ── */
  --shadow-xs: 0 1px 2px rgba(15,118,110,.04);
  --shadow-sm: 0 2px 8px rgba(15,118,110,.06);
  --shadow-md: 0 4px 16px rgba(15,118,110,.08);
  --shadow-lg: 0 8px 32px rgba(15,118,110,.10);
  --shadow-xl: 0 16px 48px rgba(15,118,110,.12);
  --radius: 14px;
  --radius-lg: 22px;
  --radius-xl: 28px;
  --transition: all .2s cubic-bezier(.4,0,.2,1);

  /* Shared page layout, used by every dashboard workspace. */
  --page-title-size: 1.6rem;
  --page-gap: 24px;
  --section-gap: 20px;
  --control-height: 44px;
  --success-soft: #dcfce7;
  --warning-soft: #fef3c7;
  --danger-soft: #fee2e2;
  --info-soft: #dbeafe;
  --purple-soft: #ede9fe;
  --accent-soft: #ffedd5;

  /* ── Fonts ── */
  --font-heading: 'Fraunces', serif;
  --font-body: 'DM Sans', sans-serif;
}

[data-theme="dark"] {
  --success-soft: #193b30;
  --warning-soft: #3b3020;
  --danger-soft: #402528;
  --info-soft: #213344;
  --purple-soft: #312943;
  --accent-soft: #3e2d22;
  --bg: #0c1615;
  --bg-alt: #111f1e;
  --card: #162322;
  --card-alt: #1a2e2c;
  --border: #243b39;
  --border-light: #1e3330;
  --text: #e6f5f3;
  --text2: #c2e0dc;
  --text3: #a3cbc5;
  --text4: #86b3ad;
  /* Text versions of the accent colours, lightened to stay legible on dark surfaces.
     Backgrounds (buttons, fills) keep the base colours. */
  --p-text: #45c4b2;
  --p-pale: #173a37;
  --s-text: #7dd3fc;
  --accent-text: #fb923c;
  --success-text: #34d399;
  --warning-text: #fbbf24;
  --danger-text: #fca5a5;
  --info-text: #7dd3fc;
  --shadow-xs: 0 1px 2px rgba(0,0,0,.2);
  --shadow-sm: 0 2px 8px rgba(0,0,0,.25);
  --shadow-md: 0 4px 16px rgba(0,0,0,.3);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.35);
}

/* Follow the branding colours in dark mode: a lighter tint of each brand colour for text. */
@supports (color: color-mix(in srgb, red, blue)) {
  [data-theme="dark"] {
    --p-text: color-mix(in srgb, var(--p) 62%, #ffffff);
    --s-text: color-mix(in srgb, var(--s) 45%, #ffffff);
    --accent-text: color-mix(in srgb, var(--accent) 70%, #ffffff);
  }
}

/* ── RESET & BASE ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 15px;
  min-height: 100vh;
}
img { max-width: 100%; display: block; }
a { color: var(--p-text); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--p-text); }

/* ── TYPOGRAPHY ── */
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 700; color: var(--text); line-height: 1.2; }
h1 { font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -.03em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); letter-spacing: -.02em; }
h3 { font-size: 1.3rem; }
.mono { font-family: 'JetBrains Mono', 'Fira Code', monospace; }

/* ── LAYOUT ── */
.container { max-width: 1240px; margin: 0 auto; padding: 0 20px; }

.app-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  min-height: 100vh;
}

@media (max-width: 1024px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar:not(.mobile-open) { display: none; }
  .sidebar.mobile-open { display: flex; position: fixed; z-index: 1000; inset: 0 auto 0 0; width: min(288px, calc(100vw - 24px)); box-shadow: 12px 0 48px rgba(0,0,0,.24); }
}

/* ── SIDEBAR ── */
.dashboard-main { display: flex; flex-direction: column; min-width: 0; min-height: 100vh; overflow-x: clip; }
.sidebar {
  --nav-text: #c5dbd7;
  --nav-muted: #a7c4be;
  --nav-accent: #8ce4d3;
  background: linear-gradient(165deg, #103e39 0%, #0c2b29 48%, #092522 100%);
  color: var(--nav-text);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100dvh;
  min-width: 0;
  overflow: hidden;
  border-right: 1px solid rgba(255,255,255,.06);
  z-index: 100;
}
.sidebar-brand { display: flex; align-items: center; gap: 6px; flex-shrink: 0; padding: 22px 18px 20px; border-bottom: 1px solid rgba(255,255,255,.09); }
.sidebar-brand-link { display: flex; align-items: center; gap: 11px; flex: 1; min-width: 0; border-radius: 10px; }
.sidebar-brand-icon { display: grid; place-items: center; flex-shrink: 0; width: 40px; height: 40px; border-radius: 12px; background: linear-gradient(145deg, #119383, #0d7669); color: #fff; border: 1px solid rgba(255,255,255,.2); font-size: 19px; font-weight: 800; font-family: var(--font-heading); box-shadow: 0 4px 12px rgba(0,0,0,.1); }
.sidebar-brand-icon img { width: 100%; height: 100%; object-fit: contain; border-radius: inherit; }
.sidebar-brand-copy { min-width: 0; }
.sidebar-brand-text { display: block; font-family: var(--font-heading); font-size: 19px; font-weight: 800; color: #fff; line-height: 1.3; letter-spacing: -.02em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidebar-brand-sub { display: block; font-size: 10.5px; color: var(--nav-muted); margin-top: 4px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidebar-nav { padding: 16px 12px 22px; flex: 1; min-height: 0; overflow-y: auto; overflow-x: hidden; scrollbar-width: thin; scrollbar-color: rgba(171,212,203,.26) transparent; overscroll-behavior: contain; }
.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(171,212,203,.26); border-radius: 4px; }
.sidebar-group + .sidebar-group { margin-top: 20px; }
.sidebar .nav-section-title { font-family: var(--font-body); font-size: 10px; line-height: 1.4; text-transform: uppercase; letter-spacing: .11em; color: var(--nav-muted); padding: 0 12px 8px; font-weight: 700; }
.sidebar-links { list-style: none; display: grid; gap: 3px; }
.sidebar .nav-item { position: relative; display: flex; align-items: center; gap: 9px; min-height: 44px; margin: 0; padding: 6px 10px; border: 1px solid transparent; border-radius: 10px; color: var(--nav-text); font-size: 13px; font-weight: 500; line-height: 1.45; transition: background .16s ease, color .16s ease, border-color .16s ease; }
.sidebar .nav-item:hover { background: rgba(255,255,255,.055); color: #fff; }
.sidebar .nav-item.active { background: linear-gradient(110deg, rgba(63,201,171,.2), rgba(63,201,171,.08)); border-color: rgba(111,217,194,.18); color: #effffb; font-weight: 700; }
.sidebar .nav-item.active::before { content: ''; position: absolute; left: -1px; top: 12px; bottom: 12px; width: 3px; border-radius: 0 3px 3px 0; background: var(--nav-accent); }
.nav-icon { display: grid; place-items: center; flex-shrink: 0; width: 28px; height: 28px; border-radius: 7px; color: #91b9af; }
.sidebar .nav-icon i { font-size: 14px; width: 18px; text-align: center; }
.sidebar .nav-item:hover .nav-icon { color: #c6eee2; }
.sidebar .nav-item.active .nav-icon { color: var(--nav-accent); background: rgba(115,226,198,.09); }
.nav-label { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.nav-count { display: grid; place-items: center; flex-shrink: 0; min-width: 23px; padding: 2px 6px; border: 1px solid rgba(128,220,196,.18); border-radius: 6px; color: #b9f3e3; background: rgba(111,214,188,.12); font-size: 10px; font-weight: 700; line-height: 1.5; }
.nav-count[hidden] { display: none; }
.sidebar-footer { display: flex; align-items: center; gap: 4px; flex-shrink: 0; padding: 12px 10px; padding-bottom: max(12px, env(safe-area-inset-bottom)); border-top: 1px solid rgba(255,255,255,.09); background: rgba(0,0,0,.08); }
.sidebar-account { display: flex; align-items: center; flex: 1; min-width: 0; gap: 10px; padding: 6px; border: 1px solid transparent; border-radius: 10px; }
.sidebar-account:hover, .sidebar-account.active { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.1); }
.sidebar-avatar { display: grid; place-items: center; flex-shrink: 0; width: 36px; height: 36px; background: rgba(135,226,201,.12); border: 1px solid rgba(154,233,213,.2); border-radius: 11px; color: #b4efde; font-size: 12px; font-weight: 700; overflow: hidden; }
.sidebar-avatar img { width: 100%; height: 100%; object-fit: cover; }
.sidebar-account-copy { display: block; min-width: 0; }
.sidebar-account-copy strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12.5px; font-weight: 600; color: #e3f3ed; }
.sidebar-account-copy > span { display: block; margin-top: 2px; font-size: 10.5px; color: var(--nav-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidebar-signout { margin: 0; }
.sidebar-signout button, .sidebar-close { display: grid; place-items: center; width: 44px; height: 44px; border: 1px solid transparent; border-radius: 9px; background: transparent; color: var(--nav-muted); font-size: 15px; cursor: pointer; }
.sidebar-signout button:hover, .sidebar-close:hover { background: rgba(255,255,255,.07); color: #fff; border-color: rgba(255,255,255,.1); }
.sidebar-close { display: none; flex-shrink: 0; }
.sidebar :focus-visible { outline: 2px solid var(--nav-accent); outline-offset: 2px; }
.sidebar-backdrop { position: fixed; z-index: 999; inset: 0; background: rgba(4,18,16,.58); backdrop-filter: blur(3px); }
.sidebar-backdrop[hidden] { display: none; }
body.sidebar-open { overflow: hidden; }
@media (max-width: 1024px) {
  .sidebar-brand { padding: 16px 12px 16px 18px; }
  .sidebar-close { display: grid; }
}
@media (prefers-contrast: more) {
  .sidebar { --nav-text: #f1fff9; --nav-muted: #bfd6cc; }
  .sidebar .nav-item.active { border-color: var(--nav-accent); }
}

/* ── TOPBAR ── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 68px;
  padding: 10px 28px;
  background: color-mix(in srgb, var(--card) 88%, transparent);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(255,255,255,.4) inset, var(--shadow-xs);
  position: sticky;
  top: 0;
  z-index: 50;
}
[data-theme="dark"] .topbar { box-shadow: var(--shadow-xs); }
[data-theme="dark"] .topbar-drop[open] > .topbar-icon, [data-theme="dark"] .topbar-msg-count { color: #79cfc0; }
[data-theme="dark"] .topbar-msg-count { background: var(--p); color: #fff; }
.topbar-lead { display: flex; align-items: center; gap: 12px; min-width: 0; }
.topbar-heading { display: flex; flex-direction: column; min-width: 0; line-height: 1.2; }
.topbar-eyebrow { font-size: 10.5px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; color: var(--text4); margin-bottom: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.topbar-actions { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.topbar-date { display: inline-flex; align-items: center; gap: 7px; margin-right: 8px; padding: 0 12px; height: 36px; border-radius: 999px; background: var(--bg-alt); color: var(--text3); font-size: 12.5px; font-weight: 600; white-space: nowrap; }
.topbar-date i { color: var(--text4); font-size: 12px; }
.topbar-icon {
  position: relative;
  display: grid; place-items: center;
  width: 40px; height: 40px;
  border: 1px solid transparent; border-radius: 12px;
  background: transparent; color: var(--text3);
  font-size: 16px; cursor: pointer; text-decoration: none;
  transition: var(--transition);
}
.topbar-icon:hover, .topbar-icon:focus-visible { background: var(--bg-alt); color: var(--p-text); border-color: var(--border-light); outline: none; }
.topbar-icon.has-badge { color: var(--text2); }
.topbar-badge[hidden] { display: none; }
.topbar-badge {
  position: absolute; top: 4px; right: 3px;
  min-width: 17px; height: 17px; padding: 0 5px;
  border-radius: 999px; background: var(--accent); color: #fff;
  font-size: 10px; font-weight: 800; line-height: 17px; text-align: center;
  border: 2px solid var(--card);
  font-family: var(--font-body);
}
.topbar-account { position: relative; margin-left: 6px; }
.topbar-account > summary {
  display: block; list-style: none;
  padding: 3px 10px 3px 3px; border-radius: 14px;
  border: 1px solid transparent; cursor: pointer;
  transition: var(--transition);
}
.topbar-account > summary::-webkit-details-marker { display: none; }
.topbar-account > summary::marker { content: ''; display: none; }
.topbar-account-trigger { display: flex; align-items: center; gap: 10px; }
.topbar-account > summary:hover, .topbar-account[open] > summary, .topbar-account > summary:focus-visible { background: var(--bg-alt); border-color: var(--border-light); outline: none; }
.avatar.topbar-avatar { width: 36px; height: 36px; border-radius: 11px; font-size: 13px; background: linear-gradient(135deg, var(--p), var(--s)); color: #fff; box-shadow: var(--shadow-xs); }
.topbar-account-copy { display: flex; flex-direction: column; line-height: 1.15; max-width: 150px; }
.topbar-account-copy strong { font-size: 13px; font-weight: 700; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topbar-account-copy span { font-size: 11px; color: var(--text4); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topbar-account-caret { font-size: 10px; color: var(--text4); transition: transform .2s ease; }
.topbar-account[open] .topbar-account-caret { transform: rotate(180deg); }
.topbar-menu {
  position: absolute; right: 0; top: calc(100% + 8px); z-index: 60;
  width: 264px; padding: 6px;
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  box-shadow: var(--shadow-lg);
  animation: topbar-menu-in .16s ease;
}
@keyframes topbar-menu-in { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
.topbar-menu-head { display: flex; align-items: center; gap: 12px; padding: 10px 10px 12px; border-bottom: 1px solid var(--border-light); margin-bottom: 6px; }
.topbar-menu-head > div { min-width: 0; display: flex; flex-direction: column; }
.topbar-menu-head strong { font-size: 13.5px; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topbar-menu-head span { font-size: 11.5px; color: var(--text4); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topbar-account .topbar-menu a, .topbar-account .topbar-menu button {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 9px 12px; border: 0; border-radius: 10px;
  background: transparent; color: var(--text2);
  font: inherit; font-size: 13.5px; font-weight: 500; text-align: left; text-decoration: none; cursor: pointer;
  transition: var(--transition);
}
.topbar-account .topbar-menu a i, .topbar-account .topbar-menu button i { width: 16px; text-align: center; color: var(--text4); font-size: 13px; }
.topbar-account .topbar-menu a:hover, .topbar-account .topbar-menu button:hover, .topbar-account .topbar-menu a:focus-visible, .topbar-account .topbar-menu button:focus-visible { background: var(--bg-alt); color: var(--p-text); outline: none; }
.topbar-account .topbar-menu a:hover i, .topbar-account .topbar-menu button:hover i { color: var(--p-text); }
.topbar-menu-count { margin-left: auto; min-width: 20px; height: 20px; padding: 0 6px; border-radius: 999px; background: var(--accent); color: #fff; font-size: 11px; font-weight: 800; display: grid; place-items: center; }
.topbar-menu-signout { margin: 6px 0 0; padding-top: 6px; border-top: 1px solid var(--border-light); }
.topbar-menu-signout button { color: var(--danger-text); }
.topbar-menu-signout button i { color: var(--danger-text); }
.topbar-menu-signout button:hover { background: rgba(220,38,38,.08); color: var(--danger-text); }

/* Icon dropdowns (messages) */
.topbar-drop { position: relative; }
.topbar-drop > summary { list-style: none; }
.topbar-drop > summary::-webkit-details-marker { display: none; }
.topbar-drop > summary::marker { content: ''; display: none; }
.topbar-icon-trigger { display: grid; place-items: center; width: 100%; height: 100%; }
.topbar-drop[open] > .topbar-icon { background: color-mix(in srgb, var(--p) 16%, transparent); color: var(--p-text); border-color: transparent; }
.topbar-msg-panel { width: 360px; padding: 0; overflow: hidden; }
.topbar-msg-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px 12px; border-bottom: 1px solid var(--border-light); }
.topbar-msg-head > div { display: flex; flex-direction: column; flex: 1; min-width: 0; }
.topbar-msg-head strong { font-family: var(--font-heading); font-size: 1.05rem; font-weight: 800; color: var(--text); line-height: 1.2; }
.topbar-msg-head span { font-size: 12px; color: var(--text4); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar-msg-head .btn { padding: 6px 12px; min-height: 32px; flex-shrink: 0; }
.topbar-msg-body { max-height: min(60vh, 420px); overflow-y: auto; }
.topbar-msg-list { list-style: none; margin: 0; padding: 6px; }
.topbar-msg { display: flex; align-items: center; gap: 12px; padding: 10px 10px; border-radius: 12px; text-decoration: none; color: var(--text); transition: var(--transition); }
.topbar-msg:hover, .topbar-msg:focus-visible { background: var(--bg-alt); outline: none; }
.topbar-msg.is-unread { background: color-mix(in srgb, var(--p) 9%, transparent); }
.topbar-msg.is-unread:hover { background: color-mix(in srgb, var(--p) 16%, transparent); }
.topbar-msg-avatar { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; background: linear-gradient(135deg, var(--p), var(--s)); color: #fff; font-family: var(--font-heading); font-weight: 900; font-size: .95rem; flex-shrink: 0; overflow: hidden; }
.topbar-msg-avatar img { width: 100%; height: 100%; object-fit: cover; }
.topbar-msg-copy { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.topbar-msg-top { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.topbar-msg-top strong { font-size: 13.5px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topbar-msg.is-unread .topbar-msg-top strong { font-weight: 800; }
.topbar-msg-top time { font-size: 11px; color: var(--text4); white-space: nowrap; flex-shrink: 0; }
.topbar-msg-snippet { font-size: 12.5px; color: var(--text3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topbar-msg.is-unread .topbar-msg-snippet { color: var(--text2); }
.topbar-msg-snippet em { font-style: normal; color: var(--text4); }
.topbar-msg-count { min-width: 22px; height: 22px; padding: 0 7px; border-radius: 999px; background: var(--p); color: #fff; font-size: 11px; font-weight: 800; display: grid; place-items: center; flex-shrink: 0; }
.topbar-msg-more { margin: 0; padding: 4px 16px 10px; font-size: 12px; color: var(--text4); text-align: center; }
.topbar-msg-empty { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 4px; padding: 28px 20px; }
.topbar-msg-empty-icon { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 16px; background: color-mix(in srgb, var(--p) 14%, transparent); color: var(--p-text); font-size: 1.2rem; margin-bottom: 6px; }
.topbar-msg-empty strong { font-size: 14px; color: var(--text); }
.topbar-msg-empty span { font-size: 12.5px; color: var(--text3); max-width: 240px; }
.topbar-msg-foot { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--border-light); background: var(--card-alt); color: var(--p-text); font-size: 13px; font-weight: 700; text-decoration: none; }
.topbar-msg-foot:hover { background: color-mix(in srgb, var(--p) 12%, transparent); }
.topbar-msg-loading { display: flex; flex-direction: column; gap: 10px; padding: 14px 16px; }
.topbar-msg-skeleton { display: block; height: 46px; border-radius: 12px; background: linear-gradient(90deg, var(--bg-alt) 25%, var(--card-alt) 50%, var(--bg-alt) 75%); background-size: 200% 100%; animation: topbar-shimmer 1.2s ease-in-out infinite; }
@keyframes topbar-shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }
@media (prefers-reduced-motion: reduce) { .topbar-msg-skeleton { animation: none; } }

.mobile-toggle {
  display: none;
  place-items: center;
  width: 40px; height: 40px;
  border: 1px solid var(--border-light); border-radius: 12px;
  background: var(--card);
  font-size: 18px;
  color: var(--text);
  cursor: pointer;
  flex-shrink: 0;
}
.mobile-toggle:hover { background: var(--bg-alt); color: var(--p-text); }
@media (max-width: 1024px) { .mobile-toggle { display: grid; } }
@media (max-width: 900px) { .topbar-date { display: none; } }
@media (max-width: 620px) {
  .topbar { padding: 8px 12px; gap: 8px; min-height: 60px; }
  .topbar-title { font-size: 1.05rem; }
  .topbar-eyebrow { display: none; }
  .topbar-actions { gap: 2px; }
  .topbar-icon { width: 38px; height: 38px; }
  .topbar-account { margin-left: 2px; }
  .topbar-account > summary { padding: 2px; }
  .topbar-account-trigger { gap: 0; }
  .topbar-account-copy, .topbar-account .topbar-account-caret { display: none; }
  .topbar-menu { width: min(264px, calc(100vw - 24px)); }
  .topbar-msg-panel { position: fixed; left: 12px; right: 12px; top: 64px; width: auto; }
}

/* ── MAIN CONTENT ── */
.main-content { padding: 24px 28px 60px; }
@media (max-width: 768px) { .main-content { padding: 16px; } }

/* ── CARDS ── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); }
.card-header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.card-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}
.card-body { padding: 20px 22px; }

/* ── STAT CARDS ── */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.stat-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  margin-bottom: 12px;
}
.stat-val {
  font-size: 1.8rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--text);
  line-height: 1;
  margin-bottom: 4px;
  letter-spacing: -.03em;
}
.stat-label { font-size: 12px; color: var(--text4); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }
.stat-value { font-size: 1.8rem; font-weight: 800; font-family: var(--font-heading); color: var(--text); line-height: 1; margin-bottom: 4px; letter-spacing: -.03em; }
.stat-sub { font-size: 12px; color: var(--text4); margin-top: 4px; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 13.5px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-body);
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary { background: var(--p); color: #fff; }
.btn-primary:hover { background: var(--p-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-secondary { background: var(--bg-alt); color: var(--text2); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border-light); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: #c2410c; color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 7px 14px; font-size: 12px; border-radius: 8px; }
.btn-lg { padding: 14px 28px; font-size: 15px; border-radius: 12px; }
.btn-block { width: 100%; justify-content: center; }

/* ── FORMS ── */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 12.5px; font-weight: 700; color: var(--text3); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .04em; }
.form-ctrl {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  font-family: var(--font-body);
  background: var(--card);
  color: var(--text);
  transition: var(--transition);
}
.form-ctrl:focus { outline: none; border-color: var(--p); box-shadow: 0 0 0 3px rgba(15,118,110,.12); }
textarea.form-ctrl { resize: vertical; min-height: 80px; }
select.form-ctrl { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236b9995' d='M1.41.59L6 5.17 10.59.59 12 2l-6 6-6-6z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; }
.form-select {
  width: 100%;
  min-height: 42px;
  padding: 10px 40px 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  font-family: var(--font-body);
  line-height: 1.4;
  background-color: var(--card);
  color: var(--text);
  box-shadow: var(--shadow-xs);
  transition: var(--transition);
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image:
    linear-gradient(180deg, rgba(255,255,255,0), rgba(255,255,255,0)),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236b9995' d='M1.41.59L6 5.17 10.59.59 12 2l-6 6-6-6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat, no-repeat;
  background-position: 0 0, right 14px center;
  background-size: auto, 12px 8px;
}
.form-select:hover {
  border-color: var(--p-light);
  background-color: var(--card-alt);
}
.form-select:focus {
  outline: none;
  border-color: var(--p);
  box-shadow: 0 0 0 3px rgba(15,118,110,.12);
  background-color: var(--card);
}
.form-select:disabled {
  cursor: not-allowed;
  opacity: .7;
  background-color: var(--bg-alt);
}
.form-select option {
  background: var(--card);
  color: var(--text);
}
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
@media (max-width: 768px) { .form-grid-2, .form-grid-3 { grid-template-columns: 1fr; } }

/* ── BADGES ── */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.badge-green { background: #dcfce7; color: #15803d; }
.badge-red { background: #fee2e2; color: #b91c1c; }
.badge-yellow { background: #fef3c7; color: #92400e; }
.badge-blue { background: #dbeafe; color: #1d4ed8; }
.badge-purple { background: #ede9fe; color: #6d28d9; }
.badge-teal { background: #ccfbf1; color: #0f766e; }
.badge-orange { background: #ffedd5; color: #c2410c; }
/* Dark mode: tinted badges with light text instead of pale chips. */
[data-theme="dark"] .badge-green { background: rgba(52,211,153,.16); color: #6ee7b7; }
[data-theme="dark"] .badge-red { background: rgba(248,113,113,.16); color: #fca5a5; }
[data-theme="dark"] .badge-yellow { background: rgba(251,191,36,.16); color: #fcd34d; }
[data-theme="dark"] .badge-blue { background: rgba(96,165,250,.16); color: #93c5fd; }
[data-theme="dark"] .badge-purple { background: rgba(167,139,250,.18); color: #c4b5fd; }
[data-theme="dark"] .badge-teal { background: rgba(45,212,191,.14); color: #5eead4; }
[data-theme="dark"] .badge-orange { background: rgba(251,146,60,.16); color: #fdba74; }

/* ── TABLE ── */
.dtbl { width: 100%; border-collapse: collapse; }
.dtbl thead th {
  padding: 12px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text4);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
.dtbl tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-light);
  font-size: 13.5px;
  vertical-align: middle;
}
.dtbl tbody tr:hover { background: var(--bg-alt); }

/* ── ALERT MESSAGES ── */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 13.5px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.alert-success { background: var(--success-soft); color: var(--success-text); border: 1px solid var(--border); }
.alert-error { background: var(--danger-soft); color: var(--danger-text); border: 1px solid var(--border); }
.alert-warning { background: var(--warning-soft); color: var(--warning-text); border: 1px solid var(--border); }
.alert-info { background: var(--info-soft); color: var(--info-text); border: 1px solid var(--border); }

/* ── EXAM TIMER ── */
.exam-timer {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 200;
  background: var(--card);
  border: 2px solid var(--p);
  border-radius: var(--radius);
  padding: 12px 20px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--p-text);
}
.exam-timer.warning { border-color: var(--warning); color: var(--warning-text); }
.exam-timer.danger { border-color: var(--danger); color: var(--danger-text); animation: pulse 1s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .6; } }

/* ── QUESTION CARD ── */
.question-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 20px;
  transition: var(--transition);
}
.question-card.answered { border-left: 4px solid var(--success); }
.question-card.unanswered { border-left: 4px solid var(--border); }
.question-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--p-pale);
  color: var(--p-text);
  font-weight: 800;
  font-size: 14px;
  margin-bottom: 14px;
}
.question-text { font-size: 15px; line-height: 1.7; margin-bottom: 16px; color: var(--text); }
.option-list { display: flex; flex-direction: column; gap: 10px; }
.option-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border: 2px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  transition: var(--transition);
  font-size: 14px;
}
.option-item:hover { border-color: var(--p-light); background: var(--p-pale); }
.option-item.selected { border-color: var(--p); background: var(--p-pale); }
.option-item.correct { border-color: var(--success); background: #dcfce7; }
.option-item.wrong { border-color: var(--danger); background: #fee2e2; }
.option-label {
  width: 30px; height: 30px;
  border-radius: 8px;
  background: var(--bg-alt);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 13px; color: var(--text3);
  flex-shrink: 0;
}

/* ── QUESTION NAV ── */
.question-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 20px;
}
.qnav-btn {
  width: 38px; height: 38px;
  border-radius: 10px;
  border: 2px solid var(--border);
  background: var(--card);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 13px; color: var(--text3);
  cursor: pointer;
  transition: var(--transition);
}
.qnav-btn.answered { background: var(--p-pale); border-color: var(--p); color: var(--p-text); }
.qnav-btn.current { background: var(--p); border-color: var(--p); color: #fff; }

/* ── RESULT DISPLAY ── */
.result-hero {
  border-radius: var(--radius-xl);
  padding: 40px;
  text-align: center;
  background: linear-gradient(135deg, var(--p-pale), #f0fdf4);
  border: 1px solid var(--border);
  margin-bottom: 24px;
}
[data-theme="dark"] .result-hero { background: linear-gradient(135deg, rgba(15,118,110,.15), rgba(6,41,40,.4)); }
.result-score {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 900;
  color: var(--p-text);
  line-height: 1;
  letter-spacing: -.04em;
}
.result-grade {
  display: inline-flex;
  padding: 8px 24px;
  border-radius: 999px;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  margin-top: 8px;
}

/* ── LANDING PAGE ── */
.landing-hero {
  position: relative;
  overflow: hidden;
  padding: 100px 0 80px;
  background: linear-gradient(160deg, #062928 0%, #0a3d3a 40%, #0f766e 100%);
  color: #fff;
}
.landing-hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(20,184,166,.15), transparent 70%);
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,.1);
  backdrop-filter: blur(8px);
  font-size: 12px;
  font-weight: 700;
  color: var(--p-light);
  letter-spacing: .04em;
  margin-bottom: 20px;
}
.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -.03em;
  margin-bottom: 16px;
  color: #fff;
}
.hero-sub { font-size: 1.1rem; color: rgba(255,255,255,.7); max-width: 540px; line-height: 1.7; margin-bottom: 32px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-stat-row {
  display: flex; gap: 40px; margin-top: 48px; flex-wrap: wrap;
}
.hero-stat-item { text-align: left; }
.hero-stat-num { font-family: var(--font-heading); font-size: 2rem; font-weight: 800; color: var(--p-light); line-height: 1; }
.hero-stat-label { font-size: 12px; color: rgba(255,255,255,.5); text-transform: uppercase; letter-spacing: .08em; font-weight: 600; margin-top: 4px; }

/* ── GRID UTILITIES ── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 1024px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ── EMPTY STATE ── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text4);
}
.empty-state i { font-size: 3rem; opacity: .3; margin-bottom: 16px; }
.empty-state p { font-size: 14px; max-width: 400px; margin: 0 auto; }

/* ── AVATAR ── */
.avatar {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px;
  background: var(--p-pale); color: var(--p-text);
  overflow: hidden;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar-lg { width: 80px; height: 80px; border-radius: 18px; font-size: 28px; }

/* ── SCROLL ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ── PASSWORD TOGGLE ── */
.pw-toggle-wrap { position: relative; }
.pw-toggle {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  background: none; border: none; cursor: pointer; color: var(--text4); font-size: 16px;
}

/* Tabs shared by pages grouped under one sidebar link */
.section-tabs { display: flex; gap: 24px; margin: 0 0 22px; padding: 0 4px; overflow-x: auto; border-bottom: 1px solid var(--border); scrollbar-width: thin; }
.section-tab { display: flex; align-items: center; min-height: 44px; padding: 10px 0; border-bottom: 2px solid transparent; color: var(--text3); font-size: 13.5px; font-weight: 600; white-space: nowrap; text-decoration: none; }
.section-tab:hover, .section-tab.is-active { color: var(--p-text); }
.section-tab.is-active { border-bottom-color: var(--p); }
@media (max-width: 760px) { .section-tabs { gap: 18px; margin-bottom: 16px; } }

/* Collapsible sidebar sections for long menus */
.sidebar-fold > summary { display: flex; align-items: center; gap: 8px; list-style: none; cursor: pointer; min-height: 32px; padding-top: 4px; border-radius: 8px; }
.sidebar-fold > summary::-webkit-details-marker { display: none; }
.sidebar-fold > summary:hover { color: #fff; }
.sidebar-fold > summary:focus-visible { outline: 2px solid var(--nav-accent); outline-offset: 2px; }
.sidebar-fold > summary .nav-count { margin-left: 0; }
.sidebar-fold-caret { margin-left: auto; font-size: 10px; transition: transform .16s ease; }
.sidebar-fold[open] > summary .sidebar-fold-caret { transform: rotate(180deg); }
.sidebar-fold + .sidebar-group, .sidebar-group + .sidebar-fold { margin-top: 12px; }
@media (prefers-reduced-motion: reduce) { .sidebar-fold-caret { transition: none; } }

/* Admin dashboard */
.dashboard-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.dashboard-access { display: flex; flex-wrap: wrap; gap: 8px; }
.dashboard-card-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: flex-end; }

/* Shared purchase explanations and compact operational summaries. */
[hidden] { display: none !important; }
.btn-sm, .form-label { font-size: 13px; }
.btn:focus-visible, .form-ctrl:focus-visible, summary:focus-visible { outline: 2px solid var(--p); outline-offset: 3px; }
@media (pointer: coarse) { .btn, .form-ctrl { min-height: 44px; } }
.purchase-scope { margin: 16px 0; padding: 16px; border: 1px solid var(--border-light); border-radius: 12px; background: var(--bg-alt); font-size: 14px; line-height: 1.6; }
.purchase-scope p { margin: 6px 0 0; color: var(--text3); }
.table-wrap { overflow-x: auto; max-width: 100%; }
.table-wrap:focus-visible { outline: 2px solid var(--p); outline-offset: 2px; }
@media (max-width: 620px) { .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; } .stat-grid .stat-card { min-width: 0; padding: 14px; } .stat-grid .stat-val { font-size: 1.5rem; overflow-wrap: anywhere; } .stat-grid .stat-label { font-size: 13px; letter-spacing: .02em; } }

/* Shared brand symbol; preserve uploaded platform logos. */
.sidebar-brand-icon{background:#fff;box-shadow:none}
.sidebar-brand-icon .brand-symbol{display:block;width:36px;height:36px}