/* =============================================
   SMART SCHOOL ERP - SHARED DESIGN SYSTEM
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:wght@300;400;500;600&display=swap');

:root {
  /* Primary Palette */
  --primary: #1a1f36;
  --primary-light: #252d4a;
  --accent: #4f6ef7;
  --accent-hover: #3a5ae8;
  --accent-light: rgba(79, 110, 247, 0.12);
  --accent2: #f7934f;
  --success: #10b981;
  --success-light: rgba(16, 185, 129, 0.12);
  --warning: #f59e0b;
  --warning-light: rgba(245, 158, 11, 0.12);
  --danger: #ef4444;
  --danger-light: rgba(239, 68, 68, 0.12);
  --info: #06b6d4;
  --info-light: rgba(6, 182, 212, 0.12);

  /* Backgrounds */
  --bg: #f0f2f8;
  --bg-card: #ffffff;
  --bg-sidebar: #1a1f36;
  --bg-header: #ffffff;

  /* Text */
  --text-primary: #1a1f36;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --text-white: #ffffff;

  /* Borders */
  --border: #e2e8f0;
  --border-focus: #4f6ef7;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);
  --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
  --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
  --shadow-accent: 0 8px 25px rgba(79, 110, 247, 0.25);

  /* Sizing */
  --sidebar-width: 260px;
  --header-height: 64px;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Transitions */
  --transition: all 0.2s ease;
  --transition-slow: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode */
[data-theme="dark"] {
  --bg: #0f1117;
  --bg-card: #1a1f2e;
  --bg-sidebar: #0d1117;
  --bg-header: #1a1f2e;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: #2a3040;
  --primary: #252d4a;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 14px; scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

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

/* ── SIDEBAR ── */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  position: fixed;
  left: 0; top: 0; bottom: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  transition: var(--transition-slow);
  overflow-y: auto;
  scrollbar-width: none;
}
.sidebar::-webkit-scrollbar { display: none; }

.sidebar-brand {
  padding: 20px 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  display: flex;
  align-items: center;
  gap: 12px;
}
.sidebar-logo {
  width: 38px; height: 38px;
  background: var(--accent);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 16px;
  color: white;
  box-shadow: 0 4px 12px rgba(79, 110, 247, 0.4);
  flex-shrink: 0;
}
.sidebar-brand-text h2 {
  font-family: 'Syne', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}
.sidebar-brand-text span {
  font-size: 11px;
  color: rgba(255,255,255,0.45);
  font-weight: 400;
}

.sidebar-section {
  padding: 16px 12px 4px;
}
.sidebar-section-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.2px;
  color: rgba(255,255,255,0.3);
  text-transform: uppercase;
  padding: 0 8px;
  margin-bottom: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  margin-bottom: 2px;
}
.nav-item:hover {
  background: rgba(255,255,255,0.07);
  color: rgba(255,255,255,0.9);
}
.nav-item.active {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 12px rgba(79, 110, 247, 0.35);
}
.nav-item .nav-icon {
  font-size: 16px;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}
.nav-item .nav-badge {
  margin-left: auto;
  background: var(--danger);
  color: white;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 20px;
  min-width: 18px;
  text-align: center;
}

.sidebar-footer {
  margin-top: auto;
  padding: 12px;
  border-top: 1px solid rgba(255,255,255,0.07);
}
.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}
.sidebar-user:hover { background: rgba(255,255,255,0.07); }
.sidebar-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex; align-items: center; justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}
.sidebar-user-info { flex: 1; min-width: 0; }
.sidebar-user-name {
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-user-role {
  font-size: 10px;
  color: rgba(255,255,255,0.4);
}

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

/* ── HEADER ── */
.header {
  height: var(--header-height);
  background: var(--bg-header);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}
.header-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--text-secondary);
  padding: 4px;
}
.header-title {
  flex: 1;
}
.header-title h1 {
  font-family: 'Syne', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}
.header-title p {
  font-size: 12px;
  color: var(--text-muted);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.header-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}
.header-btn:hover {
  background: var(--accent-light);
  color: var(--accent);
  border-color: var(--accent);
}
.notif-dot {
  position: absolute;
  top: 6px; right: 6px;
  width: 7px; height: 7px;
  background: var(--danger);
  border-radius: 50%;
  border: 1.5px solid var(--bg-header);
}
.header-user {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 4px;
  border-radius: 50px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
}
.header-user:hover { background: var(--bg); }
.header-avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex; align-items: center; justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: white;
}
.header-user-info { font-size: 12px; }
.header-user-name { font-weight: 600; color: var(--text-primary); }
.header-user-role { color: var(--text-muted); font-size: 10px; }

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

/* ── STATS CARDS ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}
.stat-card.blue::before { background: var(--accent); }
.stat-card.green::before { background: var(--success); }
.stat-card.orange::before { background: var(--warning); }
.stat-card.red::before { background: var(--danger); }
.stat-card.teal::before { background: var(--info); }
.stat-card.purple::before { background: #8b5cf6; }

.stat-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  margin-bottom: 14px;
}
.stat-card.blue .stat-icon { background: var(--accent-light); }
.stat-card.green .stat-icon { background: var(--success-light); }
.stat-card.orange .stat-icon { background: var(--warning-light); }
.stat-card.red .stat-icon { background: var(--danger-light); }
.stat-card.teal .stat-icon { background: var(--info-light); }
.stat-card.purple .stat-icon { background: rgba(139, 92, 246, 0.12); }

.stat-value {
  font-family: 'Syne', sans-serif;
  font-size: 26px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}
.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}
.stat-change {
  font-size: 11px;
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 3px;
}
.stat-change.up { color: var(--success); }
.stat-change.down { color: var(--danger); }

/* ── CARD ── */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.card-title {
  font-family: 'Syne', sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}
.card-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}
.card-body { padding: 20px; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
  text-decoration: none;
}
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 4px 12px rgba(79, 110, 247, 0.25);
}
.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  box-shadow: var(--shadow-accent);
  transform: translateY(-1px);
}
.btn-secondary {
  background: var(--bg);
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover:not(:disabled) { background: var(--border); }
.btn-success {
  background: var(--success);
  color: white;
}
.btn-success:hover:not(:disabled) { background: #059669; transform: translateY(-1px); }
.btn-danger {
  background: var(--danger);
  color: white;
}
.btn-danger:hover:not(:disabled) { background: #dc2626; transform: translateY(-1px); }
.btn-warning {
  background: var(--warning);
  color: white;
}
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-ghost:hover:not(:disabled) {
  background: var(--bg);
  color: var(--text-primary);
}
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-lg { padding: 11px 22px; font-size: 15px; }
.btn-icon {
  width: 34px; height: 34px;
  padding: 0;
  border-radius: var(--radius-sm);
}

/* ── TABLE ── */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
thead th {
  background: var(--bg);
  padding: 11px 14px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: rgba(79, 110, 247, 0.04); }
.table-actions { display: flex; gap: 4px; }

/* ── FORMS ── */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.form-control {
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 13px;
  font-family: 'DM Sans', sans-serif;
  transition: var(--transition);
  outline: none;
}
.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79, 110, 247, 0.1);
}
.form-control::placeholder { color: var(--text-muted); }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 90px; }
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}
.form-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}
.form-error {
  font-size: 11px;
  color: var(--danger);
  margin-top: 4px;
}

/* ── MODAL ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.active { display: flex; animation: fadeIn 0.2s ease; }
.modal {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp 0.25s ease;
}
.modal-sm { max-width: 420px; }
.modal-md { max-width: 600px; }
.modal-lg { max-width: 820px; }
.modal-xl { max-width: 1000px; }
.modal-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-title {
  font-family: 'Syne', sans-serif;
  font-size: 17px;
  font-weight: 700;
}
.modal-close {
  width: 30px; height: 30px;
  border-radius: 50%;
  border: none;
  background: var(--bg);
  cursor: pointer;
  font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition);
}
.modal-close:hover { background: var(--danger-light); color: var(--danger); }
.modal-body { padding: 20px 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ── BADGES ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}
.badge-primary { background: var(--accent-light); color: var(--accent); }
.badge-success { background: var(--success-light); color: var(--success); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-info { background: var(--info-light); color: var(--info); }
.badge-gray { background: rgba(100,116,139,0.12); color: var(--text-secondary); }

/* ── SEARCH BAR ── */
.search-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  transition: var(--transition);
}
.search-bar:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79, 110, 247, 0.1);
  background: var(--bg-card);
}
.search-bar input {
  border: none;
  background: transparent;
  outline: none;
  font-size: 13px;
  color: var(--text-primary);
  font-family: 'DM Sans', sans-serif;
  flex: 1;
  min-width: 0;
}
.search-bar .search-icon { color: var(--text-muted); font-size: 15px; }

/* ── TOOLBAR ── */
.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.toolbar-left { flex: 1; display: flex; gap: 10px; flex-wrap: wrap; }
.toolbar-right { display: flex; gap: 8px; }

/* ── PAGINATION ── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  gap: 12px;
  flex-wrap: wrap;
}
.pagination-info { font-size: 12px; color: var(--text-muted); }
.pagination-btns { display: flex; gap: 4px; }
.page-btn {
  width: 30px; height: 30px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  cursor: pointer;
  font-size: 12px;
  color: var(--text-secondary);
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.page-btn:hover, .page-btn.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

/* ── TOAST ── */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--primary-light);
  color: white;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  min-width: 280px;
  max-width: 380px;
  animation: slideInRight 0.3s ease;
  border-left: 4px solid transparent;
}
.toast.success { border-left-color: var(--success); background: #064e3b; }
.toast.error { border-left-color: var(--danger); background: #7f1d1d; }
.toast.warning { border-left-color: var(--warning); background: #78350f; }
.toast.info { border-left-color: var(--info); background: #0c4a6e; }
.toast-icon { font-size: 17px; flex-shrink: 0; }
.toast-msg { font-size: 13px; flex: 1; }
.toast-close { background: none; border: none; color: rgba(255,255,255,0.6); cursor: pointer; font-size: 16px; }

/* ── LOADING ── */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(2px);
  z-index: 9998;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
}
[data-theme="dark"] .loading-overlay { background: rgba(15,17,23,0.8); }
.loading-overlay.active { display: flex; }
.spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
.spinner-sm { width: 18px; height: 18px; border-width: 2px; }
.loading-text { font-size: 13px; color: var(--text-secondary); }

/* ── EMPTY STATE ── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
}
.empty-state-icon { font-size: 56px; margin-bottom: 16px; opacity: 0.5; }
.empty-state h3 {
  font-family: 'Syne', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.empty-state p { font-size: 13px; color: var(--text-muted); }

/* ── AVATAR GROUP ── */
.avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex; align-items: center; justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}
.avatar-sm { width: 26px; height: 26px; font-size: 10px; }
.avatar-lg { width: 52px; height: 52px; font-size: 18px; }
.avatar-xl { width: 72px; height: 72px; font-size: 24px; }

/* ── UTILITY ── */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.mt-16 { margin-top: 16px; }
.mb-16 { margin-bottom: 16px; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 12px; }
.font-bold { font-weight: 700; }
.w-full { width: 100%; }
.d-none { display: none !important; }
.separator { height: 1px; background: var(--border); margin: 20px 0; }

/* ── ANIMATIONS ── */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes slideInRight { from { transform: translateX(30px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
}
@media (max-width: 768px) {
  :root { --sidebar-width: 0px; }
  .sidebar {
    width: 260px;
    transform: translateX(-100%);
  }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .header-toggle { display: flex; }
  .page-content { padding: 16px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .toolbar { flex-direction: column; align-items: stretch; }
  .toolbar-right { justify-content: flex-end; }
  .modal-overlay { padding: 10px; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .header { padding: 0 14px; }
}

/* ── SIDEBAR OVERLAY ── */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 99;
  display: none;
}
.sidebar-overlay.active { display: block; }

/* ── PROGRESS BAR ── */
.progress-bar {
  height: 6px;
  background: var(--border);
  border-radius: 20px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 20px;
  transition: width 0.5s ease;
}

/* ── CHIP/TAG ── */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: var(--accent-light);
  color: var(--accent);
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}

/* ── DROPDOWN ── */
.dropdown { position: relative; }
.dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  min-width: 180px;
  z-index: 200;
  display: none;
  animation: slideUp 0.15s ease;
}
.dropdown-menu.open { display: block; }
.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  font-size: 13px;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}
.dropdown-item:hover { background: var(--bg); }
.dropdown-item.danger:hover { background: var(--danger-light); color: var(--danger); }
.dropdown-divider { height: 1px; background: var(--border); margin: 4px 0; }

/* ── TABS ── */
.tabs { display: flex; gap: 2px; border-bottom: 2px solid var(--border); margin-bottom: 20px; }
.tab-btn {
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border: none;
  background: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: var(--transition);
  white-space: nowrap;
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── PAGE HEADER ── */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
  flex-wrap: wrap;
}
.page-header-text h2 {
  font-family: 'Syne', sans-serif;
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
}
.page-header-text p {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 3px;
}
.page-header-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ── BREADCRUMB ── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.breadcrumb a { color: var(--accent); text-decoration: none; }
.breadcrumb-sep { color: var(--border); }

/* ── INFO LIST ── */
.info-list { list-style: none; }
.info-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  gap: 12px;
}
.info-item:last-child { border-bottom: none; }
.info-key { color: var(--text-muted); font-weight: 500; flex-shrink: 0; }
.info-value { color: var(--text-primary); font-weight: 600; text-align: right; }

/* ── TIMELINE ── */
.timeline { position: relative; padding-left: 24px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 8px; top: 0; bottom: 0;
  width: 1px;
  background: var(--border);
}
.timeline-item {
  position: relative;
  margin-bottom: 18px;
}
.timeline-dot {
  position: absolute;
  left: -20px;
  top: 3px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg-card);
}
.timeline-time { font-size: 11px; color: var(--text-muted); margin-bottom: 3px; }
.timeline-content { font-size: 13px; color: var(--text-primary); }

/* ── ROLE-AWARE ADDITIONS (kept in the same visual language) ── */
.notice{background:var(--accent-light);border:1px solid rgba(79,110,247,0.25);color:var(--text-primary);padding:12px 16px;border-radius:var(--radius-sm);font-size:12.5px;display:flex;align-items:center;gap:10px;margin-bottom:20px;line-height:1.5}
.notice.success{background:var(--success-light);border-color:rgba(16,185,129,.3)}
.notice.warning{background:var(--warning-light);border-color:rgba(245,158,11,.3)}
.notice-icon{font-size:16px;flex-shrink:0}
.access-denied{max-width:420px;margin:80px auto;text-align:center}
.access-denied .empty-state-icon{font-size:64px}
.role-tag{display:inline-flex;align-items:center;gap:5px;font-size:10px;font-weight:700;letter-spacing:.4px;padding:3px 9px;border-radius:20px;text-transform:uppercase}