/* ============================================
   CBT BIMBEL — UI SYSTEM
   Clean · Simple · Professional
   Inspired: white sidebar, flat cards, mint accent
   Font: DM Sans (display) + DM Mono (numbers)
   ============================================ */

@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=DM+Mono:wght@400;500&display=swap');

/* ── TOKENS ─────────────────────────────────── */
:root {
  /* Base */
  --white:       #ffffff;
  --bg:          #f5f6fa;
  --bg-hover:    #f0f1f5;
  --border:      #e8e9ee;
  --border-soft: #f0f1f6;

  /* Text */
  --t1: #111318;   /* primary */
  --t2: #5a5f72;   /* secondary */
  --t3: #9498ab;   /* muted */

  /* Accent — mint green (matching reference) */
  --accent:       #1db97b;
  --accent-dim:   #e8f8f1;
  --accent-dark:  #159960;

  /* Semantic */
  --blue:        #3b7ef8;
  --blue-dim:    #eaf1ff;
  --orange:      #f97316;
  --orange-dim:  #fff4ed;
  --red:         #ef4444;
  --red-dim:     #fef2f2;
  --purple:      #8b5cf6;
  --purple-dim:  #f5f3ff;
  --yellow:      #f59e0b;
  --yellow-dim:  #fffbeb;

  /* Sidebar */
  --sb-w:        200px;
  --sb-bg:       #ffffff;
  --sb-border:   #ebebf0;

  /* Shape */
  --r-xs:  4px;
  --r-sm:  6px;
  --r:     8px;
  --r-md:  10px;
  --r-lg:  14px;
  --r-xl:  18px;
  --r-full: 9999px;

  /* Shadow — extremely subtle */
  --shadow-xs: 0 1px 2px rgba(0,0,0,.04);
  --shadow-sm: 0 1px 4px rgba(0,0,0,.05), 0 1px 2px rgba(0,0,0,.03);
  --shadow:    0 2px 8px rgba(0,0,0,.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,.07);

  /* Type */
  --font:      'DM Sans', sans-serif;
  --font-mono: 'DM Mono', monospace;

  /* Motion */
  --ease: cubic-bezier(.4,0,.2,1);
  --dur:  .15s;
}

/* ── RESET ──────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--t1);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a  { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: var(--font); }

/* ── LAYOUT ─────────────────────────────────── */
.app-wrapper { display: flex; min-height: 100vh; }

/* ── SIDEBAR ─────────────────────────────────── */
.sidebar {
  width: var(--sb-w);
  background: var(--sb-bg);
  border-right: 1px solid var(--sb-border);
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform .25s var(--ease);
  overflow: hidden;
}

.sidebar-logo {
  padding: 20px 16px 16px;
  border-bottom: 1px solid var(--border-soft);
}
.sidebar-logo .logo-mark {
  display: flex;
  align-items: center;
  gap: 9px;
}
.sidebar-logo .logo-icon {
  width: 32px; height: 32px;
  background: var(--accent);
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  color: white;
  flex-shrink: 0;
}
.sidebar-logo .logo-text {
  font-size: 14px;
  font-weight: 700;
  color: var(--t1);
  letter-spacing: -.2px;
  line-height: 1.1;
}
.sidebar-logo .logo-sub {
  font-size: 10px;
  color: var(--t3);
  letter-spacing: .3px;
  margin-top: 1px;
}

.sidebar-nav {
  flex: 1;
  padding: 10px 10px;
  overflow-y: auto;
}
.sidebar-nav::-webkit-scrollbar { display: none; }

.nav-section-label {
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--t3);
  padding: 10px 8px 4px;
  font-weight: 600;
}

.nav-item { margin-bottom: 1px; }
.nav-link {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 10px;
  border-radius: var(--r-sm);
  color: var(--t2);
  font-size: 13.5px;
  font-weight: 500;
  transition: all var(--dur) var(--ease);
  position: relative;
  cursor: pointer;
}
.nav-link:hover {
  background: var(--bg);
  color: var(--t1);
}
.nav-link.active {
  background: var(--accent-dim);
  color: var(--accent-dark);
  font-weight: 600;
}
.nav-link i {
  width: 16px;
  text-align: center;
  font-size: 13px;
  color: var(--t3);
  transition: color var(--dur);
  flex-shrink: 0;
}
.nav-link:hover i   { color: var(--t2); }
.nav-link.active i  { color: var(--accent); }

.sidebar-footer {
  padding: 10px;
  border-top: 1px solid var(--border-soft);
}
.user-info-sidebar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: background var(--dur);
}
.user-info-sidebar:hover { background: var(--bg); }
.user-avatar {
  width: 30px; height: 30px;
  border-radius: var(--r-full);
  background: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 12px;
  color: white;
  flex-shrink: 0;
}
.user-name  { font-size: 12.5px; font-weight: 600; color: var(--t1); line-height: 1.2; }
.user-role  { font-size: 11px; color: var(--t3); }

/* ── MAIN ────────────────────────────────────── */
.main-content {
  margin-left: var(--sb-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── TOPBAR ──────────────────────────────────── */
.topbar {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar-left { display: flex; align-items: center; gap: 12px; }
.page-title  { font-size: 16px; font-weight: 700; color: var(--t1); letter-spacing: -.3px; }
.breadcrumb  { font-size: 12px; color: var(--t3); }
.breadcrumb span { color: var(--accent-dark); }

.topbar-right { display: flex; align-items: center; gap: 8px; }
.topbar-btn {
  width: 32px; height: 32px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  background: var(--white);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all var(--dur);
  color: var(--t2);
  font-size: 13px;
}
.topbar-btn:hover {
  background: var(--bg);
  border-color: var(--accent);
  color: var(--accent);
}
.sidebar-toggle { display: none; }

/* ── PAGE CONTENT ────────────────────────────── */
.page-content { padding: 24px; flex: 1; }

/* ── STAT CARDS ──────────────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(195px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 18px 20px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  transition: box-shadow var(--dur);
  cursor: default;
}
.stat-card:hover { box-shadow: var(--shadow-sm); }

.stat-icon {
  width: 40px; height: 40px;
  border-radius: var(--r);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.stat-icon.blue   { background: var(--blue-dim);   color: var(--blue); }
.stat-icon.green  { background: var(--accent-dim); color: var(--accent); }
.stat-icon.yellow { background: var(--yellow-dim); color: var(--yellow); }
.stat-icon.purple { background: var(--purple-dim); color: var(--purple); }
.stat-icon.orange { background: var(--orange-dim); color: var(--orange); }
.stat-icon.red    { background: var(--red-dim);    color: var(--red); }
.stat-icon.cyan   { background: #e0f9f5;           color: #0d9488; }

.stat-info {}
.stat-label { font-size: 12px; color: var(--t3); font-weight: 500; }
.stat-value {
  font-size: 22px;
  font-weight: 800;
  color: var(--t1);
  line-height: 1.15;
  margin-top: 2px;
  font-family: var(--font-mono);
  letter-spacing: -.5px;
}
.stat-change { font-size: 11px; margin-top: 3px; }
.stat-change.up   { color: var(--accent); }
.stat-change.down { color: var(--red); }

/* ── CARDS ───────────────────────────────────── */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
}
.card-header {
  padding: 16px 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--t1);
  display: flex;
  align-items: center;
  gap: 7px;
}
.card-body   { padding: 16px 20px; }
.card-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border-soft);
  background: var(--bg);
  border-radius: 0 0 var(--r-md) var(--r-md);
}

/* ── BUTTONS ─────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--r-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--dur) var(--ease);
  font-family: var(--font);
  white-space: nowrap;
  line-height: 1;
}
.btn-sm  { padding: 5px 11px; font-size: 12px; }
.btn-lg  { padding: 10px 22px; font-size: 14px; }
.btn-xl  { padding: 12px 28px; font-size: 15px; }
.btn-block { width: 100%; }

.btn-primary {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}
.btn-secondary {
  background: var(--bg);
  color: var(--t2);
  border-color: var(--border);
}
.btn-secondary:hover { background: var(--bg-hover); color: var(--t1); }
.btn-success  { background: var(--accent); color: white; border-color: var(--accent); }
.btn-success:hover { background: var(--accent-dark); }
.btn-danger   { background: var(--red); color: white; }
.btn-danger:hover  { background: #dc2626; }
.btn-warning  { background: var(--yellow); color: white; }
.btn-warning:hover { background: #d97706; }
.btn-outline  {
  background: transparent;
  color: var(--accent-dark);
  border-color: var(--accent);
}
.btn-outline:hover { background: var(--accent-dim); }
.btn-ghost    { background: transparent; color: var(--t2); border-color: transparent; }
.btn-ghost:hover { background: var(--bg); color: var(--t1); }

.btn:disabled { opacity: .45; cursor: not-allowed; pointer-events: none; }

/* ── FORMS ───────────────────────────────────── */
.form-group  { margin-bottom: 16px; }
.form-label  {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--t2);
  margin-bottom: 6px;
}
.form-label .req { color: var(--red); margin-left: 2px; }

.form-control {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  font-size: 13.5px;
  font-family: var(--font);
  color: var(--t1);
  background: var(--white);
  transition: border-color var(--dur), box-shadow var(--dur);
  outline: none;
  line-height: 1.5;
}
.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(29,185,123,.12);
}
.form-control::placeholder { color: var(--t3); }
.form-control.is-invalid   { border-color: var(--red); }
.form-hint  { font-size: 11.5px; color: var(--t3); margin-top: 4px; }
.form-error { font-size: 11.5px; color: var(--red);  margin-top: 4px; }

.input-group { position: relative; }
.input-group .form-control { padding-left: 36px; }
.input-icon {
  position: absolute;
  left: 11px; top: 50%;
  transform: translateY(-50%);
  color: var(--t3);
  font-size: 13px;
  pointer-events: none;
}

select.form-control  { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 90px; }

.form-check {
  display: flex;
  align-items: center;
  gap: 7px;
  cursor: pointer;
  font-size: 13.5px;
}
.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 15px; height: 15px;
  cursor: pointer;
  accent-color: var(--accent);
  flex-shrink: 0;
}

/* ── TABLES ──────────────────────────────────── */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
}
.table { width: 100%; border-collapse: collapse; }
.table th {
  background: var(--bg);
  padding: 10px 14px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--t3);
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-soft);
  font-size: 13.5px;
  color: var(--t1);
  vertical-align: middle;
}
.table tr:last-child td { border-bottom: none; }
.table tbody tr { transition: background var(--dur); }
.table tbody tr:hover { background: var(--bg); }

/* ── BADGES ──────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 8px;
  border-radius: var(--r-full);
  font-size: 11px;
  font-weight: 600;
}
.badge-primary   { background: var(--blue-dim);   color: var(--blue); }
.badge-success   { background: var(--accent-dim); color: var(--accent-dark); }
.badge-danger    { background: var(--red-dim);    color: var(--red); }
.badge-warning   { background: var(--yellow-dim); color: #92400e; }
.badge-info      { background: var(--purple-dim); color: var(--purple); }
.badge-secondary { background: var(--bg-hover);   color: var(--t2); }

/* ── ALERTS ──────────────────────────────────── */
.alert {
  padding: 11px 14px;
  border-radius: var(--r-sm);
  font-size: 13px;
  display: flex;
  align-items: flex-start;
  gap: 9px;
  margin-bottom: 14px;
  border-left: 3px solid;
}
.alert-success { background: var(--accent-dim); color: #065f46; border-color: var(--accent); }
.alert-danger  { background: var(--red-dim);    color: #991b1b; border-color: var(--red); }
.alert-warning { background: var(--yellow-dim); color: #92400e; border-color: var(--yellow); }
.alert-info    { background: var(--blue-dim);   color: #1e40af; border-color: var(--blue); }

/* ── MODALS ──────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(17,19,24,.45);
  backdrop-filter: blur(3px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all .2s var(--ease);
}
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal {
  background: var(--white);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-md);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  border: 1px solid var(--border);
  transform: translateY(12px) scale(.98);
  transition: transform .2s var(--ease);
}
.modal-overlay.active .modal { transform: translateY(0) scale(1); }
.modal-lg  { max-width: 700px; }
.modal-xl  { max-width: 880px; }
.modal-header {
  padding: 20px 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-title { font-size: 15px; font-weight: 700; }
.modal-close {
  width: 28px; height: 28px;
  border-radius: var(--r-xs);
  border: 1px solid var(--border);
  background: var(--bg);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; color: var(--t3);
  transition: all var(--dur);
}
.modal-close:hover {
  background: var(--red-dim);
  color: var(--red);
  border-color: var(--red);
}
.modal-body   { padding: 16px 20px; }
.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border-soft);
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

/* ── PAGINATION ──────────────────────────────── */
.pagination { display: flex; gap: 3px; align-items: center; }
.page-btn {
  width: 30px; height: 30px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  background: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-size: 12.5px;
  cursor: pointer;
  transition: all var(--dur);
  color: var(--t2);
  font-family: var(--font);
  font-weight: 500;
}
.page-btn:hover { background: var(--accent-dim); border-color: var(--accent); color: var(--accent-dark); }
.page-btn.active { background: var(--accent); border-color: var(--accent); color: white; font-weight: 700; }
.page-btn:disabled { opacity: .35; cursor: not-allowed; }

/* ── EMPTY STATE ─────────────────────────────── */
.empty-state { text-align: center; padding: 52px 24px; color: var(--t3); }
.empty-icon  { font-size: 40px; margin-bottom: 12px; opacity: .35; }
.empty-title { font-size: 15px; font-weight: 600; color: var(--t2); }
.empty-desc  { font-size: 13px; margin-top: 4px; }

/* ── SPINNER ─────────────────────────────────── */
.spinner {
  width: 18px; height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .6s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── AUTH PAGES ──────────────────────────────── */
.auth-page {
  min-height: 100vh;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.auth-card {
  background: var(--white);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-md);
  padding: 40px 36px;
  width: 100%;
  max-width: 420px;
  border: 1px solid var(--border);
}
.auth-logo { text-align: center; margin-bottom: 28px; }
.auth-logo .logo-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: white;
  padding: 8px 18px;
  border-radius: var(--r-md);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -.3px;
  margin-bottom: 14px;
}
.auth-title    { font-size: 20px; font-weight: 800; color: var(--t1); letter-spacing: -.3px; }
.auth-subtitle { font-size: 13px; color: var(--t3); margin-top: 4px; }

/* ── EXAM TOPBAR ─────────────────────────────── */
.exam-topbar {
  background: #111318;
  color: white;
  padding: 0 20px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.exam-timer {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.07);
  padding: 6px 14px;
  border-radius: var(--r-sm);
  border: 1px solid rgba(255,255,255,.1);
}
.timer-value {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 2px;
}
.timer-value.warning { color: var(--yellow); }
.timer-value.danger  { color: var(--red); animation: pulse 1s ease infinite; }
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:.4; } }

/* ── EXAM LAYOUT ─────────────────────────────── */
.exam-layout { display: flex; height: calc(100vh - 54px); }
.exam-content {
  flex: 1;
  overflow-y: auto;
  padding: 24px 28px;
  background: var(--bg);
}
.exam-sidebar {
  width: 260px;
  background: var(--white);
  border-left: 1px solid var(--border);
  overflow-y: auto;
  padding: 18px;
  flex-shrink: 0;
}

.question-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.question-num {
  font-size: 12px;
  font-weight: 600;
  color: var(--t3);
  background: var(--bg);
  padding: 4px 10px;
  border-radius: var(--r-full);
  border: 1px solid var(--border);
}
.question-subtes {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-dark);
  background: var(--accent-dim);
  padding: 3px 9px;
  border-radius: var(--r-full);
}
.question-text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--t1);
  margin-bottom: 20px;
}

/* Choices */
.choices { display: flex; flex-direction: column; gap: 8px; }
.choice {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  cursor: pointer;
  transition: all var(--dur) var(--ease);
  background: var(--white);
}
.choice:hover    { border-color: var(--accent); background: var(--accent-dim); }
.choice.selected { border-color: var(--accent); background: var(--accent-dim); }
.choice.selected .choice-letter { background: var(--accent); color: white; }
.choice-letter {
  width: 26px; height: 26px;
  border-radius: var(--r-xs);
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 12px;
  flex-shrink: 0;
  transition: all var(--dur);
  color: var(--t2);
}
.choice-text { font-size: 13.5px; line-height: 1.6; padding-top: 4px; }

/* Palette */
.palette-section { margin-bottom: 14px; }
.palette-title {
  font-size: 10px; font-weight: 700; color: var(--t3);
  text-transform: uppercase; letter-spacing: .6px; margin-bottom: 7px;
}
.palette-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 4px; }
.palette-btn {
  aspect-ratio: 1;
  border-radius: var(--r-xs);
  border: 1.5px solid var(--border);
  background: var(--white);
  font-size: 11px; font-weight: 600;
  cursor: pointer;
  transition: all var(--dur);
  font-family: var(--font);
  color: var(--t2);
}
.palette-btn:hover    { border-color: var(--accent); color: var(--accent-dark); }
.palette-btn.answered { background: var(--accent);  color: white; border-color: var(--accent); }
.palette-btn.marked   { background: var(--yellow);  color: white; border-color: var(--yellow); }
.palette-btn.current  { box-shadow: 0 0 0 2px var(--accent); }

/* Legend */
.palette-legend { display: flex; flex-direction: column; gap: 5px; margin-top: 10px; }
.legend-item { display: flex; align-items: center; gap: 7px; font-size: 11.5px; color: var(--t3); }
.legend-dot  { width: 10px; height: 10px; border-radius: 3px; flex-shrink: 0; }

/* Nav */
.exam-nav {
  display: flex; gap: 8px; margin-top: 20px;
  justify-content: space-between; align-items: center;
}

/* ── RESULT ───────────────────────────────────── */
.result-header {
  background: linear-gradient(135deg, #111318 0%, #1a2236 100%);
  color: white;
  padding: 44px 28px;
  text-align: center;
  border-radius: var(--r-md) var(--r-md) 0 0;
}
.result-score { font-size: 64px; font-weight: 800; letter-spacing: -3px; line-height: 1; font-family: var(--font-mono); }
.result-status {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 6px 18px; border-radius: var(--r-full);
  font-weight: 700; font-size: 13px; margin-top: 14px;
}
.result-status.lulus      { background: rgba(29,185,123,.2); color: #6ee7b7; border: 1px solid rgba(29,185,123,.3); }
.result-status.tidak-lulus { background: rgba(239,68,68,.2); color: #fca5a5; border: 1px solid rgba(239,68,68,.3); }

/* ── TOAST ───────────────────────────────────── */
.toast-container {
  position: fixed; top: 16px; right: 16px;
  z-index: 9999;
  display: flex; flex-direction: column; gap: 7px;
}
.toast {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 10px 14px;
  box-shadow: var(--shadow-md);
  display: flex; align-items: center; gap: 9px;
  min-width: 260px; max-width: 340px;
  font-size: 13px;
  animation: toastIn .25s var(--ease);
  border-left: 3px solid var(--accent);
}
.toast.success { border-left-color: var(--accent); }
.toast.error   { border-left-color: var(--red); }
.toast.warning { border-left-color: var(--yellow); }
@keyframes toastIn  { from { transform: translateX(110%); opacity:0; } to { transform: translateX(0); opacity:1; } }
@keyframes toastOut { to   { transform: translateX(110%); opacity:0; } }

/* ── MOBILE ──────────────────────────────────── */
.sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.4);
  z-index: 99;
}
.sidebar-overlay.active { display: block; }

@media (max-width: 768px) {
  :root { --sb-w: 0px; }
  .sidebar { transform: translateX(-200px); width: 200px; }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .sidebar-toggle { display: flex !important; }
  .page-content { padding: 14px; }
  .topbar { padding: 0 14px; }
  .stat-grid { grid-template-columns: repeat(2,1fr); gap: 10px; }
  .exam-layout { flex-direction: column; }
  .exam-sidebar { width: 100%; height: auto; border-left: none; border-top: 1px solid var(--border); }
  .auth-card { padding: 28px 20px; }
}

@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .stat-value { font-size: 18px; }
}

/* ── UTILS ───────────────────────────────────── */
.d-flex        { display: flex; }
.align-center  { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.mb-4   { margin-bottom: 4px; }
.mb-8   { margin-bottom: 8px; }
.mb-16  { margin-bottom: 16px; }
.mb-20  { margin-bottom: 20px; }
.mb-24  { margin-bottom: 24px; }
.mt-16  { margin-top: 16px; }
.mt-24  { margin-top: 24px; }
.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-muted  { color: var(--t3); }
.text-primary-color { color: var(--accent-dark); }
.text-success { color: var(--accent); }
.text-danger  { color: var(--red); }
.fw-bold    { font-weight: 700; }
.fw-semibold { font-weight: 600; }
.w-full     { width: 100%; }
.noselect   { user-select: none; -webkit-user-select: none; }

/* ══════════════════════════════════════════
   DARK MODE
   ══════════════════════════════════════════ */
[data-theme="dark"] {
  --white:       #1e2130;
  --bg:          #13151f;
  --bg-hover:    #252838;
  --border:      #2e3148;
  --border-soft: #262940;

  --t1: #e4e7f0;
  --t2: #9099b8;
  --t3: #555d7a;

  --accent:       #1db97b;
  --accent-dim:   rgba(29,185,123,.13);
  --accent-dark:  #22d68e;

  --blue-dim:    rgba(59,126,248,.13);
  --red-dim:     rgba(239,68,68,.13);
  --yellow-dim:  rgba(245,158,11,.13);
  --purple-dim:  rgba(139,92,246,.13);
  --orange-dim:  rgba(249,115,22,.13);

  --sb-bg:     #111318;
  --sb-border: #1e2130;

  --shadow-sm: 0 1px 4px rgba(0,0,0,.25);
  --shadow:    0 2px 8px rgba(0,0,0,.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,.35);
}

[data-theme="dark"] body              { background: var(--bg); color: var(--t1); }
[data-theme="dark"] .sidebar          { background: var(--sb-bg); border-color: var(--sb-border); }
[data-theme="dark"] .sidebar-logo     { border-color: rgba(255,255,255,.06); }
[data-theme="dark"] .sidebar-footer   { border-color: rgba(255,255,255,.06); }
[data-theme="dark"] .nav-section-label { color: #3d4460; }
[data-theme="dark"] .nav-link         { color: #6b7594; }
[data-theme="dark"] .nav-link:hover   { background: rgba(255,255,255,.05); color: var(--t1); }
[data-theme="dark"] .nav-link.active  { background: rgba(29,185,123,.12); color: #22d68e; }
[data-theme="dark"] .user-name        { color: var(--t1); }
[data-theme="dark"] .topbar           { background: #1e2130; border-color: var(--border); }
[data-theme="dark"] .topbar-btn       { background: #252838; border-color: var(--border); color: var(--t2); }
[data-theme="dark"] .topbar-btn:hover { background: var(--bg-hover); color: var(--accent); border-color: var(--accent); }
[data-theme="dark"] .card             { background: var(--white); border-color: var(--border); }
[data-theme="dark"] .card-footer      { background: var(--bg); border-color: var(--border-soft); }
[data-theme="dark"] .stat-card        { background: var(--white); border-color: var(--border); }
[data-theme="dark"] .form-control     { background: #252838; border-color: var(--border); color: var(--t1); }
[data-theme="dark"] .form-control:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(29,185,123,.12); }
[data-theme="dark"] .form-control::placeholder { color: var(--t3); }
[data-theme="dark"] select.form-control option { background: #252838; }
[data-theme="dark"] .table th         { background: #111318; color: var(--t3); border-color: var(--border); }
[data-theme="dark"] .table td         { border-color: var(--border-soft); color: var(--t1); }
[data-theme="dark"] .table tbody tr:hover { background: rgba(255,255,255,.03); }
[data-theme="dark"] .table-wrapper    { border-color: var(--border); }
[data-theme="dark"] .modal            { background: #1e2130; border-color: var(--border); }
[data-theme="dark"] .modal-header     { border-color: var(--border); }
[data-theme="dark"] .modal-footer     { border-color: var(--border-soft); background: #13151f; }
[data-theme="dark"] .modal-close      { background: #252838; border-color: var(--border); color: var(--t3); }
[data-theme="dark"] .btn-secondary    { background: #252838; border-color: var(--border); color: var(--t2); }
[data-theme="dark"] .btn-secondary:hover { background: var(--bg-hover); color: var(--t1); }
[data-theme="dark"] .btn-ghost:hover  { background: rgba(255,255,255,.06); }
[data-theme="dark"] .badge-secondary  { background: #252838; color: var(--t2); }
[data-theme="dark"] .page-btn         { background: #252838; border-color: var(--border); color: var(--t2); }
[data-theme="dark"] .page-btn.active  { background: var(--accent); border-color: var(--accent); color: #fff; }
[data-theme="dark"] .empty-state      { color: var(--t3); }
[data-theme="dark"] .alert-info       { background: rgba(59,126,248,.1); }
[data-theme="dark"] .alert-warning    { background: rgba(245,158,11,.1); }
[data-theme="dark"] .alert-danger     { background: rgba(239,68,68,.1); }
[data-theme="dark"] .alert-success    { background: rgba(29,185,123,.1); }

/* dark: exam ujian pages */
[data-theme="dark"] .enav, [data-theme="dark"] .pnav, [data-theme="dark"] .rnav { background: #1e2130; border-color: var(--border); }
[data-theme="dark"] .soal-header-bar, [data-theme="dark"] .soal-nav, [data-theme="dark"] .pnav-bottom { background: #1e2130; border-color: var(--border); }
[data-theme="dark"] .eright, [data-theme="dark"] .pright { background: #1e2130; border-color: var(--border); }
[data-theme="dark"] .eleft  { background: var(--bg); }
[data-theme="dark"] .timer-section, [data-theme="dark"] .submit-section, [data-theme="dark"] .palette-section, [data-theme="dark"] .prog-section, [data-theme="dark"] .stat-row { border-color: var(--border); }
[data-theme="dark"] .choice { background: #252838; border-color: var(--border); color: var(--t1); }
[data-theme="dark"] .choice:hover, [data-theme="dark"] .choice.selected { background: rgba(29,185,123,.1); border-color: var(--accent); }
[data-theme="dark"] .choice-ltr { background: #1e2130; border-color: var(--border); color: var(--t2); }
[data-theme="dark"] .choice.selected .choice-ltr { background: var(--accent); color: #fff; }
[data-theme="dark"] .pb { background: #252838; border-color: var(--border); color: var(--t2); }
[data-theme="dark"] .pb:hover { border-color: var(--accent); color: var(--accent-dark); background: rgba(29,185,123,.08); }
[data-theme="dark"] .soal-num-badge { background: var(--t1); color: #111; }
[data-theme="dark"] .soal-subtes-badge { background: #252838; color: var(--t2); }
[data-theme="dark"] .timer-display { color: var(--t1); }
[data-theme="dark"] .stat-row { background: transparent; }
[data-theme="dark"] .prog-section .prog-bar { background: #252838; }
[data-theme="dark"] .mbox { background: #1e2130; border-color: var(--border); }
[data-theme="dark"] .mbox p { color: var(--t2); }
[data-theme="dark"] .mbox-stat { background: #111318; }
[data-theme="dark"] .mbox-btns .bc { background: #252838; color: var(--t2); }

/* dark: tryout konfirmasi */
[data-theme="dark"] .k-box { background: #1e2130; border-color: var(--border); }
[data-theme="dark"] .k-stat, [data-theme="dark"] .k-sub-row { background: #111318; border-color: var(--border-soft); }
[data-theme="dark"] .k-warn { background: rgba(245,158,11,.08); border-color: rgba(245,158,11,.25); }
[data-theme="dark"] .k-resume { background: rgba(29,185,123,.08); border-color: rgba(29,185,123,.25); }
[data-theme="dark"] .kb-cancel { background: #252838; border-color: var(--border); color: var(--t2); }
[data-theme="dark"] .k-body { color: var(--t1); }
[data-theme="dark"] .k-attempt { color: var(--t3); }

/* dark: hasil page */
[data-theme="dark"] .hero-body { background: #1e2130; }
[data-theme="dark"] .subtes-card { background: #252838; border-color: var(--border); }
[data-theme="dark"] .action-card { background: #252838; border-color: var(--border); color: var(--t1); }
[data-theme="dark"] .action-card:hover { background: rgba(29,185,123,.1); border-color: var(--accent); }
[data-theme="dark"] .ac-icon { background: #1e2130; }
[data-theme="dark"] .cert-banner { background: linear-gradient(135deg,rgba(201,168,76,.08),rgba(180,83,9,.08)); }

/* dark: leaderboard */
[data-theme="dark"] .lb-tabs { background: #111318; }
[data-theme="dark"] .lb-tab.active { background: #1e2130; color: var(--t1); }
[data-theme="dark"] .lb-tab { color: var(--t3); }
[data-theme="dark"] .lb-tbl th { background: #111318; color: var(--t3); border-color: var(--border); }
[data-theme="dark"] .lb-tbl td { border-color: var(--border-soft); }
[data-theme="dark"] .lb-tbl tbody tr:hover { background: rgba(255,255,255,.03); }
[data-theme="dark"] .lb-tbl tr.is-me { background: rgba(29,185,123,.06); }
[data-theme="dark"] .my-rank { background: rgba(29,185,123,.08); }
[data-theme="dark"] .p-name { color: var(--t1); }

/* ── Dark mode toggle switch ───────────── */
.dm-toggle {
  width: 34px; height: 19px;
  background: var(--border);
  border-radius: 99px; position: relative;
  cursor: pointer; flex-shrink: 0; display: inline-block;
  transition: background .2s; pointer-events: none;
}
.dm-toggle::after {
  content: '';
  position: absolute;
  width: 13px; height: 13px; border-radius: 50%;
  background: #fff; top: 3px; left: 3px;
  transition: transform .2s;
  box-shadow: 0 1px 3px rgba(0,0,0,.2);
}
.dm-toggle[data-on="1"] { background: var(--accent); }
.dm-toggle[data-on="1"]::after { transform: translateX(15px); }

/* ══════════════════════════════════════════
   DARK MODE
   ══════════════════════════════════════════ */
:root { color-scheme: light; }
[data-theme="dark"] { color-scheme: dark; }

[data-theme="dark"] {
  --white:        #1e2130;
  --bg:           #13151f;
  --bg-hover:     #252839;
  --border:       #2e3248;
  --border-soft:  #262940;
  --t1: #e8eaf0;
  --t2: #9299b8;
  --t3: #565d7a;
  --accent-dim:   rgba(29,185,123,.13);
  --accent-dark:  #22d68e;
  --blue-dim:     rgba(59,126,248,.13);
  --orange-dim:   rgba(249,115,22,.13);
  --red-dim:      rgba(239,68,68,.13);
  --purple-dim:   rgba(139,92,246,.13);
  --yellow-dim:   rgba(245,158,11,.13);
  --sb-bg:        #13151f;
  --sb-border:    #2e3248;
}

[data-theme="dark"] body          { background:var(--bg); }
[data-theme="dark"] .sidebar      { background:var(--sb-bg); border-color:var(--sb-border); }
[data-theme="dark"] .topbar       { background:var(--white); border-color:var(--border); }
[data-theme="dark"] .card         { background:var(--white); border-color:var(--border); }
[data-theme="dark"] .stat-card    { background:var(--white); border-color:var(--border); }
[data-theme="dark"] .card-footer  { background:var(--bg); border-color:var(--border); }
[data-theme="dark"] .form-control { background:#252839; border-color:var(--border); color:var(--t1); }
[data-theme="dark"] .form-control::placeholder { color:var(--t3); }
[data-theme="dark"] .form-control:focus { border-color:var(--accent); box-shadow:0 0 0 3px rgba(29,185,123,.15); }
[data-theme="dark"] select.form-control option { background:#252839; }
[data-theme="dark"] .table th     { background:var(--bg); color:var(--t3); border-color:var(--border); }
[data-theme="dark"] .table td     { border-color:var(--border-soft); }
[data-theme="dark"] .table tbody tr:hover { background:var(--bg-hover); }
[data-theme="dark"] .table-wrapper { border-color:var(--border); }
[data-theme="dark"] .modal        { background:var(--white); border-color:var(--border); }
[data-theme="dark"] .modal-close  { background:var(--bg-hover); border-color:var(--border); color:var(--t3); }
[data-theme="dark"] .btn-secondary { background:var(--bg-hover); border-color:var(--border); color:var(--t2); }
[data-theme="dark"] .btn-secondary:hover { background:var(--border); color:var(--t1); }
[data-theme="dark"] .btn-ghost { color:var(--t2); }
[data-theme="dark"] .btn-ghost:hover { background:var(--bg-hover); color:var(--t1); }
[data-theme="dark"] .badge-secondary { background:var(--bg-hover); color:var(--t2); }
[data-theme="dark"] .topbar-btn   { background:var(--white); border-color:var(--border); color:var(--t2); }
[data-theme="dark"] .topbar-btn:hover { background:var(--bg-hover); border-color:var(--accent); color:var(--accent); }
[data-theme="dark"] .nav-link     { color:var(--t2); }
[data-theme="dark"] .nav-link:hover { background:rgba(255,255,255,.05); color:var(--t1); }
[data-theme="dark"] .nav-link.active { background:rgba(29,185,123,.12); color:var(--accent-dark); }
[data-theme="dark"] .nav-link.active i { color:var(--accent); }
[data-theme="dark"] .nav-section-label { color:var(--t3); }
[data-theme="dark"] .page-btn { background:var(--white); border-color:var(--border); color:var(--t2); }
[data-theme="dark"] .alert-success { background:rgba(29,185,123,.12); color:#6ee7b7; }
[data-theme="dark"] .alert-danger  { background:rgba(239,68,68,.12);  color:#fca5a5; }
[data-theme="dark"] .alert-warning { background:rgba(245,158,11,.12); color:#fde68a; }
[data-theme="dark"] .alert-info    { background:rgba(59,126,248,.12); color:#93c5fd; }
[data-theme="dark"] .user-info-sidebar:hover { background:rgba(255,255,255,.05); }
[data-theme="dark"] .modal-overlay { background:rgba(0,0,0,.65); }

/* Dark: exam pages */
[data-theme="dark"] .enav,.enav-dark     { background:#1e2130 !important; border-color:#2e3248 !important; }
[data-theme="dark"] .soal-header-bar     { background:#1e2130; border-color:#2e3248; }
[data-theme="dark"] .soal-nav            { background:#1e2130; border-color:#2e3248; }
[data-theme="dark"] .eright,.pright      { background:#1e2130; border-color:#2e3248; }
[data-theme="dark"] .eleft               { background:var(--bg); }
[data-theme="dark"] .choice              { background:#252839; border-color:#2e3248; }
[data-theme="dark"] .choice:hover        { background:rgba(29,185,123,.09); border-color:var(--accent); }
[data-theme="dark"] .choice.selected     { background:rgba(29,185,123,.13); border-color:var(--accent); }
[data-theme="dark"] .choice-ltr          { background:#2e3248; border-color:#3d4160; color:var(--t2); }
[data-theme="dark"] .pb                  { background:#252839; border-color:#2e3248; color:var(--t2); }
[data-theme="dark"] .pb:hover            { border-color:var(--accent); color:var(--accent-dark); }
[data-theme="dark"] .mbox               { background:#1e2130; border-color:#2e3248; }
[data-theme="dark"] .mbox p             { color:var(--t2); }
[data-theme="dark"] .mbox-stat          { background:var(--bg); }
[data-theme="dark"] .mbox-btns .bc      { background:#252839; color:var(--t2); }
[data-theme="dark"] .timer-section,.submit-section,.prog-section,.stat-row,.palette-section { background:inherit; }

/* Dark: confirm modal in tryout */
[data-theme="dark"] .confirm-box  { background:#1e2130; border-color:#2e3248; }
[data-theme="dark"] .cs-item      { background:var(--bg); border-color:#2e3248; }
[data-theme="dark"] .subtes-item  { background:var(--bg); border-color:#2e3248; }
[data-theme="dark"] .cbtn-cancel  { background:#252839; color:var(--t2); border-color:#2e3248; }

/* Dark: leaderboard */
[data-theme="dark"] .lb-tabs      { background:var(--bg); }
[data-theme="dark"] .lb-tab       { color:var(--t3); }
[data-theme="dark"] .lb-tab.active { background:var(--white); color:var(--t1); }
[data-theme="dark"] .lb-table tr  { border-color:var(--border-soft); }
[data-theme="dark"] .lb-table tr:hover { background:var(--bg-hover); }
[data-theme="dark"] .lb-table tr.me { background:rgba(29,185,123,.07); }
[data-theme="dark"] .my-rank-banner { background:rgba(29,185,123,.07); border-color:rgba(29,185,123,.2); }
[data-theme="dark"] .podium-name  { color:var(--t1); }

/* Dark: hasil page */
[data-theme="dark"] .subtes-card  { background:var(--white); border-color:var(--border); }
[data-theme="dark"] .action-card  { background:var(--white); border-color:var(--border); }
[data-theme="dark"] .action-card:hover { background:rgba(29,185,123,.08); border-color:var(--accent); }
[data-theme="dark"] .ac-icon      { background:var(--bg); }

/* Dark mode toggle pill */
.dm-toggle {
  width: 38px; height: 21px;
  background: var(--border);
  border-radius: 99px;
  position: relative;
  cursor: pointer;
  transition: background .2s;
  flex-shrink: 0;
  border: none;
  outline: none;
  display: inline-block;
  vertical-align: middle;
}
.dm-toggle::after {
  content: '';
  position: absolute;
  width: 15px; height: 15px;
  border-radius: 50%;
  background: white;
  top: 3px; left: 3px;
  transition: transform .2s;
  box-shadow: 0 1px 4px rgba(0,0,0,.2);
}
[data-theme="dark"] .dm-toggle         { background: var(--accent); }
[data-theme="dark"] .dm-toggle::after  { transform: translateX(17px); }

/* ── DARK MODE: Auth pages ── */
[data-theme="dark"] .auth-page {
  background: #13151f;
}
[data-theme="dark"] .auth-card {
  background: #1a1d27;
  border-color: #2a2d3e;
  box-shadow: 0 8px 32px rgba(0,0,0,.4);
}
[data-theme="dark"] .auth-card input {
  background: #1e2130;
  border-color: #2a2d3e;
  color: #e8eaf0;
}
[data-theme="dark"] .auth-title { color: #e8eaf0; }
[data-theme="dark"] .auth-subtitle { color: #5a6080; }

/* ── DARK MODE: prevent flash on <body> ── */
html[data-theme="dark"] {
  background: #13151f;
  color-scheme: dark;
}
html[data-theme="light"] {
  color-scheme: light;
}

/* ── DARK MODE: leaderboard/extra components ── */
[data-theme="dark"] .lb-card,
[data-theme="dark"] .lb-tbl thead tr { background: var(--bg); }
[data-theme="dark"] .lb-tbl tbody tr:hover { background: var(--bg-hover); }
[data-theme="dark"] .me-row { background: rgba(29,185,123,.07) !important; }
[data-theme="dark"] .podium-name { color: var(--t1); }
[data-theme="dark"] .pod-base { opacity: .85; }

/* ── DARK MODE: tryout & konfirmasi ── */
[data-theme="dark"] .kat-card {
  background: var(--white);
  border-color: var(--border);
}
[data-theme="dark"] .kat-card:hover { border-color: var(--accent); }
[data-theme="dark"] .to-card { background: var(--white); border-color: var(--border); }
[data-theme="dark"] .ck-body { background: var(--white); }
[data-theme="dark"] .ck-stat { background: var(--bg); border-color: var(--border-soft); }
[data-theme="dark"] .ck-sub-item { background: var(--bg); border-color: var(--border-soft); }
[data-theme="dark"] .ck-warn { background: rgba(245,158,11,.1); border-color: rgba(245,158,11,.2); }
[data-theme="dark"] .ck-resume { background: rgba(29,185,123,.08); border-color: rgba(29,185,123,.2); }
[data-theme="dark"] .k-overlay { background: rgba(0,0,0,.7); }
[data-theme="dark"] .k-box { background: var(--white); border-color: var(--border); }

/* ── DARK MODE: hasil page ── */
[data-theme="dark"] .hero-card { background: var(--white); border-color: var(--border); }
[data-theme="dark"] .subtes-card { background: var(--white); border-color: var(--border); }
[data-theme="dark"] .cert-banner {
  background: linear-gradient(135deg,rgba(201,168,76,.1),rgba(201,168,76,.05));
  border-color: rgba(201,168,76,.3);
}
[data-theme="dark"] .action-card { background: var(--white); border-color: var(--border); }
[data-theme="dark"] .action-card:hover { background: var(--bg-hover); }

/* ── DARK MODE: sertifikat ── */
[data-theme="dark"] .certificate { background: #1a1d27; border-color: #2a2d3e; }
[data-theme="dark"] .cert-paper { background: #1a1d27; }

/* ── DARK MODE: prevent white flashes on inline styles ── */
[data-theme="dark"] [style*="background:#fff"],
[data-theme="dark"] [style*="background: #fff"],
[data-theme="dark"] [style*="background:white"],
[data-theme="dark"] [style*="background: white"] {
  background: var(--white) !important;
}