/* ===== Base ===== */
:root {
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --primary-light: #eef2ff;
  --accent: #0ea5e9;
  --success: #16a34a;
  --success-bg: #dcfce7;
  --warning: #d97706;
  --warning-bg: #fef3c7;
  --danger: #dc2626;
  --danger-bg: #fee2e2;
  --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;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.15);
  --sidebar-w: 240px;
  --topbar-h: 64px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, Roboto, Arial, sans-serif;
  color: var(--gray-800);
  background: var(--gray-50);
  line-height: 1.5;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { margin: 0 0 8px; color: var(--gray-900); }
p { margin: 0 0 12px; }
.muted { color: var(--gray-500); }
.small { font-size: 12px; }
.hidden { display: none !important; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid transparent;
  background: var(--gray-100);
  color: var(--gray-800);
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}
.btn:hover { background: var(--gray-200); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: #fff; border-color: var(--gray-300); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-success { background: var(--success); color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-block { width: 100%; }
.icon-btn {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--gray-500);
  padding: 4px 8px;
}
.icon-btn:hover { color: var(--gray-800); }

/* ===== Forms ===== */
.form .form-group { margin-bottom: 14px; }
.form label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}
.form input,
.form select,
.form textarea,
select.form,
input.form,
textarea.form,
.att-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form input:focus,
.form select:focus,
.form textarea:focus,
select.form:focus,
input.form:focus,
textarea.form:focus,
.att-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}
.form textarea { resize: vertical; min-height: 90px; }
/* Standalone select.form / input.form / .att-input shouldn't stretch to full width */
select.form, input.form, textarea.form, .att-input { width: auto; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* ===== Alerts ===== */
.alert {
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 12px;
}
.alert-error { background: var(--danger-bg); color: var(--danger); }
.alert-success { background: var(--success-bg); color: var(--success); }
.alert-info { background: var(--primary-light); color: var(--primary-dark); }

/* ===== Auth Page ===== */
.auth-body { min-height: 100vh; }
.auth-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
}
.auth-hero {
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 60%, #0ea5e9 100%);
  color: #fff;
  padding: 48px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-logo {
  width: 48px; height: 48px;
  background: rgba(255,255,255,0.2);
  border-radius: 12px;
  display: grid; place-items: center;
  font-size: 24px; font-weight: 700;
  backdrop-filter: blur(8px);
}
.brand h1 { color: #fff; font-size: 22px; margin: 0; }
.brand p { margin: 0; opacity: 0.9; font-size: 13px; }
.hero-text h2 { color: #fff; font-size: 36px; line-height: 1.2; margin-bottom: 20px; }
.hero-features { list-style: none; padding: 0; margin: 0; }
.hero-features li {
  padding: 8px 0 8px 28px;
  position: relative;
  opacity: 0.95;
}
.hero-features li::before {
  content: "✓";
  position: absolute; left: 0;
  width: 20px; height: 20px;
  background: rgba(255,255,255,0.25);
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 12px; font-weight: 700;
}
.hero-footer { font-size: 12px; opacity: 0.75; }

.auth-panel {
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--gray-50);
}
.auth-card {
  background: #fff;
  padding: 36px;
  border-radius: 14px;
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 420px;
}
.auth-card h2 { font-size: 22px; }
.role-tabs {
  display: flex;
  gap: 4px;
  background: var(--gray-100);
  padding: 4px;
  border-radius: var(--radius-sm);
  margin: 16px 0 20px;
}
.role-tab {
  flex: 1;
  padding: 8px 12px;
  background: transparent;
  border: none;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-600);
  cursor: pointer;
  transition: all 0.15s;
}
.role-tab.active {
  background: #fff;
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}
.auth-foot { text-align: center; margin-top: 18px; font-size: 14px; }
.demo-accounts {
  margin-top: 18px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
}
.demo-accounts summary { cursor: pointer; font-weight: 500; }
.demo-accounts table { width: 100%; margin-top: 10px; border-collapse: collapse; }
.demo-accounts th, .demo-accounts td {
  text-align: left; padding: 5px 8px; border-bottom: 1px solid var(--gray-200);
}
.demo-accounts th { font-size: 11px; color: var(--gray-500); text-transform: uppercase; }

@media (max-width: 900px) {
  .auth-wrapper { grid-template-columns: 1fr; }
  .auth-hero { padding: 32px; }
  .hero-text h2 { font-size: 24px; }
}

/* ===== Modal ===== */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  display: grid;
  place-items: center;
  padding: 20px;
  z-index: 100;
}
.modal-content {
  background: #fff;
  border-radius: 12px;
  padding: 24px;
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.modal-header h3 { margin: 0; }

/* ===== Dashboard Layout ===== */
.dash-body { background: var(--gray-50); min-height: 100vh; }

.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: #fff;
  border-right: 1px solid var(--gray-200);
  padding: 20px 0;
  display: flex;
  flex-direction: column;
  z-index: 20;
}
.sidebar .brand { padding: 0 22px 20px; border-bottom: 1px solid var(--gray-200); }
.sidebar .brand-logo {
  background: var(--primary);
  color: #fff;
  width: 40px; height: 40px;
  font-size: 20px;
}
.sidebar .brand h1 { color: var(--gray-900); font-size: 17px; }
.sidebar .brand p { color: var(--gray-500); font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; }

.side-nav { padding: 16px 12px; flex: 1; overflow-y: auto; }
.side-nav-label {
  font-size: 11px;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 12px 10px 6px;
  font-weight: 600;
}
.side-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--gray-600);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s;
}
.side-nav a:hover { background: var(--gray-100); color: var(--gray-900); text-decoration: none; }
.side-nav a.active { background: var(--primary-light); color: var(--primary-dark); }
.side-nav .icon { width: 20px; display: inline-block; text-align: center; }

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--gray-200);
}
.user-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: var(--radius-sm);
}
.avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: grid; place-items: center;
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
}
.user-chip .info { flex: 1; min-width: 0; }
.user-chip .info strong { display: block; font-size: 13px; color: var(--gray-900); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-chip .info span { font-size: 11px; color: var(--gray-500); text-transform: capitalize; }

.main {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.topbar {
  height: var(--topbar-h);
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 15;
}
.topbar h2 { font-size: 18px; margin: 0; }
.topbar .role-badge {
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.role-badge.admin { background: var(--danger-bg); color: var(--danger); }
.role-badge.guru { background: var(--primary-light); color: var(--primary-dark); }
.role-badge.siswa { background: var(--success-bg); color: var(--success); }

.content { padding: 28px; flex: 1; }

/* ===== Cards & Stats ===== */
.card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 18px;
}
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 10px;
}
.card-header h3 { margin: 0; font-size: 16px; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}
.stat-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-sm);
}
.stat-card .label {
  font-size: 12px;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
  margin-bottom: 8px;
}
.stat-card .value {
  font-size: 28px;
  font-weight: 700;
  color: var(--gray-900);
}
.stat-card .sub { font-size: 12px; color: var(--gray-500); margin-top: 4px; }
.stat-card.accent-primary { border-left: 4px solid var(--primary); }
.stat-card.accent-success { border-left: 4px solid var(--success); }
.stat-card.accent-warning { border-left: 4px solid var(--warning); }
.stat-card.accent-danger  { border-left: 4px solid var(--danger); }

/* ===== Tables ===== */
.table-wrap { overflow-x: auto; }
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.table th, .table td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--gray-200);
}
.table th {
  background: var(--gray-50);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--gray-500);
  font-weight: 600;
}
.table tr:hover td { background: var(--gray-50); }
.table .actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* ===== Courses / list items ===== */
.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.course-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s, box-shadow 0.15s;
}
.course-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.course-banner {
  height: 72px;
  background: linear-gradient(135deg, #4f46e5, #0ea5e9);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 28px;
  font-weight: 700;
}
.course-banner.v2 { background: linear-gradient(135deg, #16a34a, #0ea5e9); }
.course-banner.v3 { background: linear-gradient(135deg, #d97706, #dc2626); }
.course-banner.v4 { background: linear-gradient(135deg, #7c3aed, #db2777); }
.course-body { padding: 16px; flex: 1; display: flex; flex-direction: column; }
.course-body h4 { font-size: 15px; margin-bottom: 4px; }
.course-body .meta { font-size: 12px; color: var(--gray-500); margin-bottom: 10px; }
.course-body p { font-size: 13px; color: var(--gray-600); flex: 1; }
.course-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--gray-200);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--gray-500);
}

.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-info { background: var(--primary-light); color: var(--primary-dark); }
.badge-gray { background: var(--gray-100); color: var(--gray-600); }

/* ===== Empty state ===== */
.empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--gray-500);
  background: var(--gray-50);
  border: 1px dashed var(--gray-300);
  border-radius: var(--radius);
}
.empty-icon { font-size: 36px; margin-bottom: 8px; }

/* ===== Tabs ===== */
.tabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--gray-200);
  margin-bottom: 18px;
}
.tab-btn {
  background: none;
  border: none;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.tab-btn.active { color: var(--primary); border-color: var(--primary); }
.tab-btn:hover { color: var(--gray-900); }

/* ===== Flex & spacing util ===== */
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-gap { display: flex; gap: 10px; flex-wrap: wrap; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }

/* ===== Material / submission items ===== */
.list-item {
  padding: 14px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  background: #fff;
}
.list-item .title { font-weight: 600; color: var(--gray-900); margin-bottom: 4px; }
.list-item .meta { font-size: 12px; color: var(--gray-500); margin-bottom: 8px; }
.list-item .content { font-size: 14px; color: var(--gray-700); margin-bottom: 10px; white-space: pre-wrap; }

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); transition: transform 0.2s; }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .form-row { grid-template-columns: 1fr; }
}


/* ===== CBT / Exam ===== */
.cbt-timer {
  position: sticky;
  top: 0;
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 10px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  z-index: 5;
  box-shadow: var(--shadow-sm);
}
.cbt-timer .time {
  font-family: monospace;
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
}
.cbt-timer .time.warn { color: var(--warning); }
.cbt-timer .time.danger { color: var(--danger); animation: pulse 1s infinite; }
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.question-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 14px;
}
.question-card .q-num {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  width: 28px; height: 28px;
  border-radius: 50%;
  text-align: center;
  line-height: 28px;
  font-weight: 600;
  margin-right: 10px;
  font-size: 13px;
}
.question-card .q-text { font-size: 15px; margin-bottom: 14px; color: var(--gray-900); }
.option-list { display: flex; flex-direction: column; gap: 8px; }
.option-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s;
  background: #fff;
}
.option-item:hover { border-color: var(--primary); background: var(--primary-light); }
.option-item.selected { border-color: var(--primary); background: var(--primary-light); }
.option-item.correct { border-color: var(--success); background: var(--success-bg); }
.option-item.incorrect { border-color: var(--danger); background: var(--danger-bg); }
.option-item input { margin-top: 2px; }
.option-item .letter {
  font-weight: 600;
  color: var(--gray-600);
  min-width: 22px;
}
.option-item.selected .letter { color: var(--primary); }
.option-item.correct .letter { color: var(--success); }
.option-item.incorrect .letter { color: var(--danger); }

.q-nav {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(36px, 1fr));
  gap: 6px;
  margin-bottom: 12px;
}
.q-nav button {
  aspect-ratio: 1;
  border: 1px solid var(--gray-300);
  background: #fff;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-700);
}
.q-nav button.answered { background: var(--primary); color: #fff; border-color: var(--primary); }
.q-nav button.current { outline: 2px solid var(--primary); outline-offset: 2px; }

/* ===== Module accordion ===== */
.module-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
}
.module-head {
  padding: 14px 18px;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
}
.module-head h4 { margin: 0 0 4px; font-size: 15px; }
.module-head .meta { font-size: 12px; color: var(--gray-500); }
.module-body { padding: 4px 0; }
.module-section {
  padding: 10px 18px;
  border-bottom: 1px solid var(--gray-100);
}
.module-section:last-child { border-bottom: none; }
.module-section-title { font-weight: 600; margin-bottom: 4px; color: var(--gray-800); }
.module-section-content { font-size: 14px; color: var(--gray-600); white-space: pre-wrap; }

/* ===== Recording / video embed ===== */
.video-wrap {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--gray-900);
  margin: 10px 0;
}
.video-wrap iframe,
.video-wrap video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ===== Attendance grid ===== */
.att-grid {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  gap: 8px;
  align-items: center;
  padding: 10px 12px;
  border-bottom: 1px solid var(--gray-100);
}
.att-grid:last-child { border-bottom: none; }
.att-name { font-weight: 500; }
.att-status-select { max-width: 140px; }
.status-hadir { color: var(--success); font-weight: 600; }
.status-izin, .status-sakit { color: var(--warning); font-weight: 600; }
.status-alfa { color: var(--danger); font-weight: 600; }

/* ===== Finance summary ===== */
.finance-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}
.fin-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-sm);
}
.fin-card .label { font-size: 12px; color: var(--gray-500); text-transform: uppercase; font-weight: 600; }
.fin-card .value { font-size: 22px; font-weight: 700; margin-top: 6px; }
.fin-card.income { border-left: 4px solid var(--success); }
.fin-card.income .value { color: var(--success); }
.fin-card.expense { border-left: 4px solid var(--danger); }
.fin-card.expense .value { color: var(--danger); }
.fin-card.profit { border-left: 4px solid var(--primary); }
.fin-card.profit .value { color: var(--primary); }

/* ===== Sub-tabs ===== */
.subtabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--gray-200);
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.subtab-btn {
  background: none;
  border: none;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-600);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.subtab-btn.active { color: var(--primary); border-color: var(--primary); }
.subtab-btn:hover { color: var(--gray-900); }

/* ===== Filter bar ===== */
.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 14px;
}
.filter-bar input,
.filter-bar select {
  padding: 8px 12px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: 13px;
  background: #fff;
}

/* CBT result display */
.score-display {
  text-align: center;
  padding: 30px;
}
.score-display .score {
  font-size: 64px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}
.score-display .label {
  color: var(--gray-500);
  font-size: 14px;
  margin-top: 8px;
}



/* ===== Clock Widget ===== */
.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}
.clock-widget {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
}
.clock-time {
  font-family: 'Consolas', 'SF Mono', monospace;
  font-size: 15px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.5px;
  min-width: 130px;
}
.clock-date {
  font-size: 12px;
  color: var(--gray-600);
  white-space: nowrap;
}
.tz-select {
  padding: 4px 8px;
  border: 1px solid var(--gray-300);
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  background: #fff;
  color: var(--primary-dark);
  cursor: pointer;
}
.tz-select:focus {
  outline: none;
  border-color: var(--primary);
}

@media (max-width: 768px) {
  .clock-date { display: none; }
  .clock-widget { padding: 4px 8px; }
  .clock-time { font-size: 13px; min-width: auto; }
}



/* ===== Calendar Grid ===== */
.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px;
  background: var(--gray-200);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.cal-header {
  background: var(--gray-100);
  padding: 8px 4px;
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-600);
  text-transform: uppercase;
}
.cal-cell {
  background: #fff;
  min-height: 80px;
  padding: 4px 6px;
  cursor: pointer;
  transition: background 0.1s;
}
.cal-cell:hover { background: var(--gray-50); }
.cal-cell.empty { background: var(--gray-50); cursor: default; }
.cal-cell.today { background: var(--primary-light); }
.cal-cell.today .cal-day { color: var(--primary); font-weight: 700; }
.cal-day {
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 2px;
}
.cal-event {
  font-size: 10px;
  padding: 2px 4px;
  border-radius: 3px;
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--gray-800);
}

@media (max-width: 768px) {
  .cal-cell { min-height: 50px; }
  .cal-event { display: none; }
}



/* ===== Chat Layout ===== */
.chat-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 0;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  overflow: hidden;
  height: calc(100vh - var(--topbar-h) - 80px);
  min-height: 400px;
  background: #fff;
}
.chat-sidebar {
  border-right: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  background: var(--gray-50);
}
.chat-search { padding: 12px; border-bottom: 1px solid var(--gray-200); }
.chat-search input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: 13px;
}
.chat-contacts { flex: 1; overflow-y: auto; }
.chat-contact {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--gray-100);
  cursor: pointer;
  transition: background 0.1s;
}
.chat-contact:hover { background: var(--gray-100); }
.chat-contact.active { background: var(--primary-light); border-left: 3px solid var(--primary); }

.chat-main {
  display: flex;
  flex-direction: column;
}
.chat-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--gray-200);
  background: #fff;
}
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--gray-50);
}
.chat-bubble {
  max-width: 70%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.4;
}
.chat-bubble.sent {
  align-self: flex-end;
  background: var(--primary);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.chat-bubble.received {
  align-self: flex-start;
  background: #fff;
  border: 1px solid var(--gray-200);
  border-bottom-left-radius: 4px;
}
.chat-time {
  font-size: 10px;
  opacity: 0.7;
  margin-top: 4px;
  text-align: right;
}
.chat-input-box {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--gray-200);
  background: #fff;
}
.chat-input-box input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--gray-300);
  border-radius: 20px;
  font-size: 14px;
}
.chat-input-box input:focus {
  outline: none;
  border-color: var(--primary);
}

@media (max-width: 768px) {
  .chat-layout { grid-template-columns: 1fr; height: auto; }
  .chat-sidebar { max-height: 200px; }
}