/* ============================================================
   ROOT VARIABLES
   ============================================================ */
:root {
  --primary:          #10B77F;
  --primary-dark:     #0d9a6b;
  --primary-light:    #d1fae5;
  --primary-xlight:   #f0fdf8;
  --secondary:        #E7AF08;
  --secondary-light:  #fef9c3;
  --secondary-dark:   #ca9b06;
  --bg:               #F5FAF8;
  --card:             #ffffff;
  --border:           #e2e8f0;
  --border-light:     #f1f5f9;
  --text:             #0f172a;
  --text-muted:       #64748b;
  --text-light:       #94a3b8;
  --destructive:      #ef4444;
  --destructive-light:#fee2e2;
  --warning:          #f59e0b;
  --warning-light:    #fef3c7;
  --info:             #3b82f6;
  --info-light:       #dbeafe;
  --muted:            #f8fafc;
  --radius-sm:        8px;
  --radius:           12px;
  --radius-lg:        16px;
  --radius-xl:        20px;
  --radius-2xl:       24px;
  --shadow-sm:        0 1px 2px rgba(0,0,0,.05);
  --shadow:           0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:        0 4px 12px rgba(0,0,0,.08);
  --shadow-lg:        0 10px 25px rgba(0,0,0,.1);
  --transition:       .18s ease;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html, body {
  font-family:'Tajawal', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  direction: rtl;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; outline: none; }
input, select, textarea { font-family: inherit; outline: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ============================================================
   LAYOUT
   ============================================================ */
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.page-wrapper { padding-top: 84px; min-height: 100vh; }

/* ============================================================
   SUPPORT BAR (top whatsapp/telegram strip)
   ============================================================ */
.support-bar {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #fff;
  text-align: center;
  padding: 8px 20px;
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.support-bar a {
  color: #fff;
  text-decoration: underline;
  opacity: .9;
}
.support-bar a:hover { opacity: 1; }

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed;
  top: 0; right: 0; left: 0;
  z-index: 1000;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}
.logo-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  box-shadow: 0 2px 8px rgba(16,183,127,.35);
}
.logo-text { font-size: 18px; font-weight: 800; color: var(--primary-dark); line-height: 1.1; }
.logo-sub { font-size: 11px; font-weight: 400; color: var(--text-muted); }

.header-actions { display: flex; align-items: center; gap: 10px; }
.header-user { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text-muted); }
.header-user strong { color: var(--text); font-weight: 700; }
.avatar {
  width: 34px; height: 34px;
  background: var(--primary-light);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700; color: var(--primary-dark);
}

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb {
  padding: 16px 0 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.breadcrumb-item { cursor: pointer; transition: color var(--transition); }
.breadcrumb-item:hover { color: var(--primary); }
.breadcrumb-sep { opacity: .4; font-size: 11px; }
.breadcrumb-current { color: var(--text); font-weight: 600; }

/* ============================================================
   PAGE HEADER
   ============================================================ */
.page-header {
  padding: 28px 0 24px;
}
.page-title { font-size: 26px; font-weight: 800; color: var(--text); }
.page-subtitle { font-size: 14px; color: var(--text-muted); margin-top: 6px; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
  border: 1.5px solid transparent;
}
.btn-sm { padding: 7px 14px; font-size: 13px; }
.btn-lg { padding: 13px 28px; font-size: 16px; }
.btn-xl { padding: 15px 32px; font-size: 17px; border-radius: var(--radius-lg); }
.btn-block { width: 100%; }
.btn-icon { padding: 8px; gap: 0; }

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(16,183,127,.25);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  box-shadow: 0 4px 14px rgba(16,183,127,.35);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); box-shadow: 0 1px 4px rgba(16,183,127,.3); }

.btn-secondary {
  background: var(--secondary);
  color: #fff;
  border-color: var(--secondary);
}
.btn-secondary:hover { background: var(--secondary-dark); border-color: var(--secondary-dark); transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover { background: var(--primary-xlight); }

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: transparent;
}
.btn-ghost:hover { background: var(--muted); color: var(--text); }

.btn-destructive {
  background: var(--destructive-light);
  color: var(--destructive);
  border-color: transparent;
}
.btn-destructive:hover { background: var(--destructive); color: #fff; }

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

.btn:disabled { opacity: .5; cursor: not-allowed; transform: none !important; }

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.card-body { padding: 24px; }
.card-header { padding: 20px 24px 0; }
.card-footer { padding: 0 24px 20px; }

/* Clickable card */
.card-link {
  cursor: pointer;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.card-link:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--primary-light);
}
.card-link:active { transform: translateY(0); }

/* ============================================================
   GRID
   ============================================================ */
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* ============================================================
   SPECIALIZATION CARD
   ============================================================ */
.spec-card {
  position: relative;
  overflow: hidden;
  padding: 28px;
  min-height: 150px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.spec-card .blob {
  position: absolute;
  bottom: -20px; left: -20px;
  width: 100px; height: 100px;
  border-radius: 50%;
  opacity: .08;
}
.spec-card .icon { font-size: 36px; margin-bottom: 12px; }
.spec-card .title { font-size: 18px; font-weight: 800; }
.spec-card .subtitle { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.spec-card .arrow {
  width: 30px; height: 30px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,.06);
  font-size: 16px;
  margin-top: 14px;
  transition: background var(--transition);
}
.spec-card:hover .arrow { background: rgba(0,0,0,.12); }

/* ============================================================
   SUBJECT / UNIT CARD
   ============================================================ */
.subject-card {
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.subject-card .subject-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.subject-card .subject-info { flex: 1; min-width: 0; }
.subject-card .subject-name { font-size: 16px; font-weight: 700; }
.subject-card .subject-meta { font-size: 12px; color: var(--text-muted); margin-top: 3px; }
.subject-card .chevron { font-size: 18px; color: var(--text-light); flex-shrink: 0; }

/* ============================================================
   EXAM CARD
   ============================================================ */
.exam-card {
  padding: 22px;
  position: relative;
}
.exam-card .exam-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.exam-card .exam-title { font-size: 15px; font-weight: 700; line-height: 1.4; }
.exam-card .exam-badge {
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}
.badge-free { background: var(--primary-light); color: var(--primary-dark); }
.badge-locked { background: var(--border-light); color: var(--text-muted); }
.badge-done { background: var(--info-light); color: var(--info); }

.exam-card .exam-meta {
  display: flex;
  gap: 14px;
  margin-top: 14px;
  font-size: 12px;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.exam-card .exam-meta span { display: flex; align-items: center; gap: 4px; }

.exam-card .exam-footer {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.exam-card .score-badge {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Lock overlay */
.exam-locked-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,.7);
  backdrop-filter: blur(2px);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.lock-icon { font-size: 28px; }
.lock-text { font-size: 13px; font-weight: 600; color: var(--text-muted); }

/* ============================================================
   SUBSCRIPTION BANNER
   ============================================================ */
.sub-banner {
  background: linear-gradient(135deg, #fef9c3 0%, #fff7ed 100%);
  border: 1px solid #fde68a;
  border-radius: var(--radius-xl);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.sub-banner .sub-info { flex: 1; min-width: 200px; }
.sub-banner .sub-title { font-size: 16px; font-weight: 800; color: #92400e; }
.sub-banner .sub-desc { font-size: 13px; color: #a16207; margin-top: 4px; }

/* ============================================================
   STATS CARD
   ============================================================ */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 24px; }
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
  text-align: center;
}
.stat-number { font-size: 28px; font-weight: 800; color: var(--primary); }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
@media (max-width: 600px) { .stats-grid { grid-template-columns: 1fr; } }

/* ============================================================
   FORMS
   ============================================================ */
.form-group { margin-bottom: 18px; }
.label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}
.input {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--text);
  background: var(--card);
  transition: border-color var(--transition);
}
.input:focus { border-color: var(--primary); }
.input::placeholder { color: var(--text-light); }

.select {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--text);
  background: var(--card);
  cursor: pointer;
  direction: rtl;
}
.select:focus { border-color: var(--primary); }

/* ============================================================
   LOGIN PAGE
   ============================================================ */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-xlight) 0%, #fff 50%, #fffbeb 100%);
  padding: 20px;
  position: relative;
  overflow: hidden;
}
.login-page::before {
  content: '';
  position: absolute;
  top: -150px; right: -150px;
  width: 400px; height: 400px;
  background: var(--primary-light);
  border-radius: 50%;
  opacity: .4;
}
.login-page::after {
  content: '';
  position: absolute;
  bottom: -100px; left: -100px;
  width: 300px; height: 300px;
  background: var(--secondary-light);
  border-radius: 50%;
  opacity: .5;
}
.login-card {
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,.8);
  border-radius: var(--radius-2xl);
  padding: 40px;
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 1;
}
.login-logo { text-align: center; margin-bottom: 28px; }
.login-logo .big-icon {
  width: 64px; height: 64px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-xl);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 28px;
  box-shadow: 0 4px 16px rgba(16,183,127,.4);
  margin-bottom: 14px;
}
.login-logo h1 { font-size: 22px; font-weight: 900; color: var(--text); }
.login-logo p { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

.login-tabs {
  display: flex;
  gap: 4px;
  background: var(--muted);
  border-radius: var(--radius);
  padding: 4px;
  margin-bottom: 24px;
}
.login-tab {
  flex: 1;
  padding: 8px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--text-muted);
  background: transparent;
  border: none;
}
.login-tab.active {
  background: var(--card);
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
  color: var(--text-light);
  font-size: 12px;
}
.divider::before, .divider::after {
  content: ''; flex: 1;
  height: 1px;
  background: var(--border);
}

/* ============================================================
   TAKE EXAM PAGE
   ============================================================ */
.exam-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 20px;
  align-items: start;
}
@media (max-width: 768px) {
  .exam-layout { grid-template-columns: 1fr; }
}

.exam-timer-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 20px;
  position: sticky;
  top: 84px;
}
.timer-display {
  text-align: center;
  padding: 16px;
  background: var(--primary-xlight);
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
}
.timer-display .time { font-size: 36px; font-weight: 800; color: var(--primary); letter-spacing: 2px; }
.timer-display .time.warning { color: var(--warning); }
.timer-display .time.danger { color: var(--destructive); }
.timer-display .time-label { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

.question-nav { display: flex; flex-wrap: wrap; gap: 6px; }
.qnav-btn {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  background: var(--card);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  display: flex; align-items: center; justify-content: center;
}
.qnav-btn.current { background: var(--primary); border-color: var(--primary); color: #fff; }
.qnav-btn.answered { background: var(--primary-light); border-color: var(--primary); color: var(--primary-dark); }
.qnav-btn.flagged { background: var(--warning-light); border-color: var(--warning); color: #92400e; }
.qnav-btn:hover:not(.current) { border-color: var(--primary); }

.question-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px;
  min-height: 400px;
}
.q-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.q-number { font-size: 13px; font-weight: 700; color: var(--text-muted); }
.q-progress {
  height: 6px;
  background: var(--border);
  border-radius: 99px;
  overflow: hidden;
  flex: 1;
  margin: 0 16px;
}
.q-progress-bar { height: 100%; background: var(--primary); border-radius: 99px; transition: width .3s ease; }
.q-flag-btn {
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  opacity: .5;
  transition: opacity var(--transition);
}
.q-flag-btn:hover { opacity: 1; }
.q-flag-btn.flagged { opacity: 1; }

.q-text {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.8;
  margin-bottom: 28px;
  color: var(--text);
}

.options-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 600px) { .options-grid { grid-template-columns: 1fr; } }

.option-btn {
  padding: 14px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  cursor: pointer;
  text-align: right;
  direction: rtl;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
  color: var(--text);
}
.option-btn:hover { border-color: var(--primary); background: var(--primary-xlight); }
.option-btn.selected { border-color: var(--primary); background: var(--primary-xlight); color: var(--primary-dark); }
.option-btn.correct { border-color: var(--primary); background: var(--primary-light); color: var(--primary-dark); }
.option-btn.wrong { border-color: var(--destructive); background: var(--destructive-light); color: var(--destructive); text-decoration: line-through; }
.option-label {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
  flex-shrink: 0;
  color: var(--text-muted);
}
.option-btn.selected .option-label { border-color: var(--primary); color: var(--primary); background: var(--card); }
.option-btn.correct .option-label { border-color: var(--primary); color: var(--primary); background: var(--card); }
.option-btn.wrong .option-label { border-color: var(--destructive); color: var(--destructive); }

.q-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border-light);
  gap: 12px;
}

/* ============================================================
   RESULT PAGE
   ============================================================ */
.result-page { padding-top: 84px; }
.result-hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 48px 20px;
  text-align: center;
  color: #fff;
}
.score-circle {
  width: 140px; height: 140px;
  border-radius: 50%;
  border: 6px solid rgba(255,255,255,.3);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  background: rgba(255,255,255,.15);
}
.score-circle .score-num { font-size: 36px; font-weight: 900; }
.score-circle .score-pct { font-size: 14px; opacity: .8; }
.result-title { font-size: 22px; font-weight: 800; }
.result-grade { font-size: 30px; font-weight: 900; margin: 8px 0; }
.result-meta { font-size: 14px; opacity: .8; margin-top: 8px; }

.result-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 24px 0;
}
.result-stat {
  text-align: center;
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.result-stat .num { font-size: 24px; font-weight: 800; }
.result-stat .lbl { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
@media (max-width: 600px) { .result-stats { grid-template-columns: 1fr; } }

.correction-item {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--card);
  margin-bottom: 12px;
}
.correction-q { font-size: 14px; font-weight: 600; margin-bottom: 12px; line-height: 1.6; }
.correction-options { display: flex; flex-direction: column; gap: 6px; }
.correction-opt {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.correction-opt.correct { background: var(--primary-light); color: var(--primary-dark); }
.correction-opt.wrong { background: var(--destructive-light); color: var(--destructive); text-decoration: line-through; }
.correction-opt.neutral { background: var(--muted); color: var(--text-muted); }
.correction-icon { font-size: 16px; flex-shrink: 0; }

/* ============================================================
   MY EXAMS PAGE
   ============================================================ */
.exam-history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.exam-history-info { flex: 1; min-width: 150px; }
.exam-history-title { font-size: 14px; font-weight: 700; }
.exam-history-meta { font-size: 12px; color: var(--text-muted); margin-top: 3px; }
.score-chip {
  padding: 6px 14px;
  border-radius: 99px;
  font-size: 14px;
  font-weight: 800;
}
.score-high { background: var(--primary-light); color: var(--primary-dark); }
.score-mid { background: var(--warning-light); color: #92400e; }
.score-low { background: var(--destructive-light); color: var(--destructive); }

/* ============================================================
   ADMIN PANEL
   ============================================================ */
.admin-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 0;
  min-height: calc(100vh - 64px);
}
@media (max-width: 768px) {
  .admin-layout { grid-template-columns: 1fr; }
}
.admin-sidebar {
  background: var(--card);
  border-left: 1px solid var(--border);
  padding: 24px 16px;
  position: sticky;
  top: 64px;
  height: calc(100vh - 64px);
  overflow-y: auto;
}
.admin-sidebar .sidebar-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 10px;
  padding: 0 8px;
}
.sidebar-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--text-muted);
  margin-bottom: 2px;
}
.sidebar-item:hover { background: var(--muted); color: var(--text); }
.sidebar-item.active { background: var(--primary-xlight); color: var(--primary-dark); font-weight: 700; }
.sidebar-icon { font-size: 16px; }

.admin-content { padding: 28px; }
.admin-section-title { font-size: 20px; font-weight: 800; margin-bottom: 20px; }

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.admin-table th {
  text-align: right;
  padding: 10px 14px;
  background: var(--muted);
  color: var(--text-muted);
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}
.admin-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-light);
  vertical-align: middle;
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: var(--muted); }

/* Toggle switch */
.toggle {
  position: relative;
  display: inline-block;
  width: 42px;
  height: 24px;
  flex-shrink: 0;
}
.toggle input { display: none; }
.toggle-track {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 99px;
  cursor: pointer;
  transition: background var(--transition);
}
.toggle input:checked + .toggle-track { background: var(--primary); }
.toggle-thumb {
  position: absolute;
  top: 3px; right: 3px;
  width: 18px; height: 18px;
  background: #fff;
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition);
}
.toggle input:checked ~ .toggle-thumb { transform: translateX(-18px); }

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
}
.modal {
  background: var(--card);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalIn .18s ease;
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(.95) translateY(8px); }
  to   { opacity: 1; transform: scale(1)  translateY(0); }
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.modal-title { font-size: 17px; font-weight: 800; }
.modal-close { font-size: 20px; cursor: pointer; color: var(--text-muted); background: none; border: none; }
.modal-close:hover { color: var(--text); }
.modal-body { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.empty-icon { font-size: 48px; margin-bottom: 12px; }
.empty-title { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.empty-desc { font-size: 13px; }

/* ============================================================
   TOAST NOTIFICATIONS
   ============================================================ */
#toasts {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}
.toast {
  background: var(--text);
  color: #fff;
  padding: 12px 18px;
  border-radius: var(--radius-lg);
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  pointer-events: all;
  animation: toastIn .2s ease, toastOut .2s ease 2.8s forwards;
  max-width: 320px;
}
.toast.success { background: var(--primary); }
.toast.error { background: var(--destructive); }
.toast.warning { background: var(--secondary-dark); }
@keyframes toastIn  { from { opacity:0; transform: translateX(20px); } to { opacity:1; transform: translateX(0); } }
@keyframes toastOut { from { opacity:1; transform: translateX(0); }    to { opacity:0; transform: translateX(20px); } }

/* ============================================================
   BADGE / TAG
   ============================================================ */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 700;
}
.tag-green { background: var(--primary-light); color: var(--primary-dark); }
.tag-amber { background: var(--secondary-light); color: var(--secondary-dark); }
.tag-gray  { background: var(--muted); color: var(--text-muted); border: 1px solid var(--border); }
.tag-blue  { background: var(--info-light); color: var(--info); }

/* ============================================================
   MISC UTILS
   ============================================================ */
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.text-sm { font-size: 13px; }
.text-xs { font-size: 11px; }
.text-muted { color: var(--text-muted); }
.font-bold { font-weight: 700; }
.font-black { font-weight: 900; }
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.separator { height: 1px; background: var(--border); margin: 20px 0; }
.hidden { display: none !important; }
.spin { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Loader Screen ── */
.loader-screen {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  gap: 12px;
}
.loader-icon  { font-size: 56px; }
.loader-title { font-size: 22px; font-weight: 800; color: var(--text); }
.loader-spinner {
  width: 36px; height: 36px;
  border: 4px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-top: 8px;
}

/* ── Admin modal footer (extra util) ── */
.modal-footer { padding: 0 24px 20px; display: flex; gap: 8px; justify-content: flex-end; }