/* =============================================
   PORTAL UJIAN ONLINE — Global Stylesheet
   Font: Plus Jakarta Sans (Google Fonts)
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

/* ─── Reset & Base ─────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary:       #2563EB;
  --primary-dark:  #1D4ED8;
  --primary-light: #EFF6FF;
  --accent:        #0EA5E9;
  --success:       #16A34A;
  --success-light: #F0FDF4;
  --warning:       #D97706;
  --warning-light: #FFFBEB;
  --danger:        #DC2626;
  --danger-light:  #FEF2F2;
  --gray-50:       #F8FAFC;
  --gray-100:      #F1F5F9;
  --gray-200:      #E2E8F0;
  --gray-300:      #CBD5E1;
  --gray-400:      #94A3B8;
  --gray-500:      #64748B;
  --gray-600:      #475569;
  --gray-700:      #334155;
  --gray-800:      #1E293B;
  --gray-900:      #0F172A;
  --white:         #FFFFFF;
  --radius-sm:     6px;
  --radius-md:     10px;
  --radius-lg:     14px;
  --radius-xl:     20px;
  --shadow-sm:     0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:     0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);
  --shadow-lg:     0 10px 30px rgba(0,0,0,.10), 0 4px 8px rgba(0,0,0,.05);
  --transition:    all .18s ease;
  --font:          'Plus Jakarta Sans', system-ui, sans-serif;
}

html { font-size: 15px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--gray-50);
  color: var(--gray-800);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }

img { max-width: 100%; display: block; }

/* ─── Layout Wrapper ────────────────────────── */
.page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-sm {
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ─── Topbar / Navbar ────────────────────────── */
.topbar {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  z-index: 100;
  height: 60px;
  display: flex;
  align-items: center;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--gray-900);
  letter-spacing: -.3px;
}

.brand-icon {
  width: 34px; height: 34px;
  background: var(--primary);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: white;
  font-size: .85rem;
  font-weight: 700;
  flex-shrink: 0;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px 5px 5px;
  border-radius: 99px;
  background: var(--gray-100);
  font-size: .82rem;
  font-weight: 500;
  color: var(--gray-700);
}

.user-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  display: flex; align-items: center; justify-content: center;
  font-size: .72rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* ─── Sidebar (Admin) ───────────────────────── */
.layout-admin {
  display: flex;
  min-height: calc(100vh - 60px);
}

.sidebar {
  width: 230px;
  flex-shrink: 0;
  background: var(--white);
  border-right: 1px solid var(--gray-200);
  padding: 20px 12px;
  position: sticky;
  top: 60px;
  height: calc(100vh - 60px);
  overflow-y: auto;
}

.sidebar-label {
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--gray-400);
  padding: 0 8px;
  margin: 16px 0 6px;
}
.sidebar-label:first-child { margin-top: 0; }

.sidebar-nav { list-style: none; display: flex; flex-direction: column; gap: 2px; }

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 10px;
  border-radius: var(--radius-md);
  font-size: .85rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: var(--transition);
}
.sidebar-nav a:hover  { background: var(--gray-100); color: var(--gray-900); }
.sidebar-nav a.active { background: var(--primary-light); color: var(--primary); }
.sidebar-nav a .icon  { font-size: 1rem; width: 20px; text-align: center; }

.main-content {
  flex: 1;
  padding: 28px 32px;
  overflow-x: hidden;
}

/* ─── Page Header ───────────────────────────── */
.page-header {
  margin-bottom: 24px;
}
.page-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -.4px;
}
.page-subtitle {
  font-size: .85rem;
  color: var(--gray-500);
  margin-top: 3px;
}

/* ─── Cards ─────────────────────────────────── */
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  box-shadow: var(--shadow-sm);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  gap: 12px;
}

.card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-900);
}

/* ─── Stat Cards ─────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.stat-card-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  margin-bottom: 14px;
}

.stat-card-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -.5px;
  line-height: 1.1;
}

.stat-card-label {
  font-size: .8rem;
  color: var(--gray-500);
  margin-top: 4px;
  font-weight: 500;
}

/* ─── Table ──────────────────────────────────── */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .85rem;
}

thead tr {
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
}

thead th {
  padding: 11px 16px;
  text-align: left;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--gray-500);
  white-space: nowrap;
}

tbody tr {
  border-bottom: 1px solid var(--gray-100);
  transition: background .12s;
}

tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--gray-50); }

tbody td {
  padding: 12px 16px;
  color: var(--gray-700);
  vertical-align: middle;
}

td .fw { font-weight: 600; color: var(--gray-900); }

/* ─── Badges ─────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 99px;
  font-size: .72rem;
  font-weight: 700;
  white-space: nowrap;
}

.badge-blue    { background: var(--primary-light); color: var(--primary); }
.badge-green   { background: var(--success-light); color: var(--success); }
.badge-orange  { background: var(--warning-light); color: var(--warning); }
.badge-red     { background: var(--danger-light);  color: var(--danger); }
.badge-gray    { background: var(--gray-100);       color: var(--gray-600); }

/* ─── Buttons ────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: .84rem;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary  { background: var(--primary); color: white; border-color: var(--primary); }
.btn-primary:hover  { background: var(--primary-dark); border-color: var(--primary-dark); color: white; }

.btn-success  { background: var(--success); color: white; }
.btn-success:hover { opacity: .88; color: white; }

.btn-danger   { background: var(--danger-light); color: var(--danger); border-color: #fca5a5; }
.btn-danger:hover { background: var(--danger); color: white; }

.btn-outline  { background: transparent; color: var(--gray-700); border-color: var(--gray-300); }
.btn-outline:hover { background: var(--gray-100); color: var(--gray-900); }

.btn-ghost    { background: transparent; color: var(--gray-600); border-color: transparent; }
.btn-ghost:hover { background: var(--gray-100); color: var(--gray-900); }

.btn-sm { padding: 5px 11px; font-size: .78rem; gap: 5px; }
.btn-lg { padding: 12px 24px; font-size: .95rem; }
.btn-block { width: 100%; }

/* ─── Forms ──────────────────────────────────── */
.form-group { margin-bottom: 18px; }

.form-label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 9px 13px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: .875rem;
  font-family: var(--font);
  color: var(--gray-800);
  background: var(--white);
  transition: var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}

.form-control::placeholder { color: var(--gray-400); }

select.form-control { cursor: pointer; }

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

.form-hint {
  font-size: .76rem;
  color: var(--gray-400);
  margin-top: 5px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ─── Alert / Flash Messages ─────────────────── */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: .85rem;
  font-weight: 500;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 20px;
}

.alert-success { background: var(--success-light); color: #15803D; border: 1px solid #86EFAC; }
.alert-danger  { background: var(--danger-light);  color: #B91C1C; border: 1px solid #FCA5A5; }
.alert-warning { background: var(--warning-light); color: #92400E; border: 1px solid #FCD34D; }
.alert-info    { background: var(--primary-light); color: var(--primary-dark); border: 1px solid #BFDBFE; }

/* ─── Login Page ─────────────────────────────── */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #EFF6FF 0%, #F8FAFC 50%, #F0FDF4 100%);
  padding: 20px;
}

.login-card {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 40px;
  width: 100%;
  max-width: 420px;
  border: 1px solid var(--gray-200);
}

.login-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
  text-align: center;
}

.login-logo-icon {
  width: 52px; height: 52px;
  background: var(--primary);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 4px;
}

.login-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -.4px;
}

.login-subtitle {
  font-size: .83rem;
  color: var(--gray-500);
  margin-top: 2px;
}

.role-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--gray-100);
  border-radius: var(--radius-md);
  padding: 3px;
  margin-bottom: 24px;
}

.role-tab {
  padding: 8px;
  text-align: center;
  font-size: .83rem;
  font-weight: 600;
  color: var(--gray-500);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  background: transparent;
  font-family: var(--font);
}

.role-tab.active {
  background: var(--white);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.input-icon-wrap {
  position: relative;
}

.input-icon-wrap .icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  font-size: .9rem;
  pointer-events: none;
}

.input-icon-wrap .form-control {
  padding-left: 36px;
}

/* ─── Dashboard Siswa — Ujian Cards ──────────── */
.ujian-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
}

.ujian-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s, transform .2s;
}

.ujian-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.ujian-card-header {
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--gray-100);
}

.ujian-card-mapel {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--primary);
  margin-bottom: 6px;
}

.ujian-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.35;
}

.ujian-card-body {
  padding: 14px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ujian-meta-row {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: .8rem;
  color: var(--gray-600);
}

.ujian-meta-row .icon { color: var(--gray-400); width: 16px; }

.ujian-card-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

/* ─── Ujian Page (iframe) ────────────────────── */
.ujian-page {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 60px);
}

.ujian-topbar {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  padding: 10px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  gap: 12px;
}

.ujian-info { flex: 1; min-width: 0; }

.ujian-info-title {
  font-size: .95rem;
  font-weight: 700;
  color: var(--gray-900);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ujian-info-sub {
  font-size: .78rem;
  color: var(--gray-500);
  margin-top: 1px;
}

.countdown-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-light);
  border: 1px solid #BFDBFE;
  border-radius: var(--radius-md);
  padding: 7px 14px;
  flex-shrink: 0;
}

.countdown-label { font-size: .72rem; color: var(--gray-500); font-weight: 500; }
.countdown-time  { font-size: 1rem; font-weight: 700; color: var(--primary); font-variant-numeric: tabular-nums; }
.countdown-box.warning { background: var(--warning-light); border-color: #FCD34D; }
.countdown-box.warning .countdown-time { color: var(--warning); }
.countdown-box.danger  { background: var(--danger-light);  border-color: #FCA5A5; }
.countdown-box.danger  .countdown-time { color: var(--danger); }

.ujian-iframe-wrap { flex: 1; overflow: hidden; }
.ujian-iframe-wrap iframe { width: 100%; height: 100%; border: none; display: block; }

/* ─── Empty State ────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 56px 20px;
  color: var(--gray-500);
}
.empty-icon { font-size: 2.5rem; margin-bottom: 12px; opacity: .5; }
.empty-title { font-size: 1rem; font-weight: 600; color: var(--gray-700); margin-bottom: 5px; }
.empty-desc  { font-size: .85rem; }

/* ─── Modal ──────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(15,23,42,.4);
  backdrop-filter: blur(3px);
  display: flex; align-items: center; justify-content: center;
  z-index: 999;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--white);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 520px;
  box-shadow: var(--shadow-lg);
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(.96) translateY(8px);
  transition: transform .22s ease;
}

.modal-overlay.open .modal { transform: scale(1) translateY(0); }

.modal-header {
  padding: 22px 24px 16px;
  border-bottom: 1px solid var(--gray-100);
  display: flex; align-items: center; justify-content: space-between;
}

.modal-title { font-size: 1.05rem; font-weight: 700; color: var(--gray-900); }

.modal-close {
  width: 30px; height: 30px;
  border-radius: var(--radius-md);
  border: none; background: transparent;
  cursor: pointer; font-size: 1.1rem; color: var(--gray-500);
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.modal-close:hover { background: var(--gray-100); color: var(--gray-900); }

.modal-body    { padding: 22px 24px; }
.modal-footer  { padding: 16px 24px; border-top: 1px solid var(--gray-100); display: flex; justify-content: flex-end; gap: 10px; }

/* ─── Pagination ─────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  gap: 4px;
  justify-content: flex-end;
  margin-top: 18px;
}

.page-item {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: .82rem;
  font-weight: 600;
  color: var(--gray-600);
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.page-item:hover  { background: var(--gray-100); }
.page-item.active { background: var(--primary); color: white; border-color: var(--primary); }
.page-item.disabled { opacity: .4; pointer-events: none; }

/* ─── Divider ────────────────────────────────── */
.divider {
  height: 1px;
  background: var(--gray-200);
  margin: 20px 0;
}

/* ─── Responsive ─────────────────────────────── */
@media (max-width: 900px) {
  .sidebar { display: none; }
  .main-content { padding: 20px; }
}

@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
  .ujian-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .login-card { padding: 28px 22px; }
}