/* PWA Manager — Main Stylesheet */
:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #eef2ff;
  --primary-hover: #818cf8;
  --success: #22c55e;
  --success-light: #f0fdf4;
  --danger: #ef4444;
  --danger-light: #fef2f2;
  --warning: #f59e0b;
  --warning-light: #fffbeb;
  --info: #3b82f6;
  --info-light: #eff6ff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --sidebar-width: 240px;
  --sidebar-collapsed: 64px;
  --topbar-height: 60px;
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 16px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.05);
  --shadow-lg: 0 10px 15px rgba(0,0,0,.07), 0 4px 6px rgba(0,0,0,.04);
  --transition: .18s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
  background: var(--gray-50);
  color: var(--gray-800);
  line-height: 1.6;
  min-height: 100vh;
}

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

/* ─── Sidebar ─── */
.sidebar {
  width: var(--sidebar-width);
  min-height: 100vh;
  background: var(--gray-900);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0; top: 0; bottom: 0;
  z-index: 100;
  transition: width var(--transition), transform var(--transition);
  overflow: hidden;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 16px;
  border-bottom: 1px solid rgba(255,255,255,.06);
  min-height: var(--topbar-height);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
}

.sidebar-toggle {
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  display: none;
}
.sidebar-toggle:hover { color: #fff; background: rgba(255,255,255,.08); }

.sidebar-nav {
  flex: 1;
  padding: 12px 8px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,.1) transparent;
}

.nav-section-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--gray-500);
  padding: 8px 8px 4px;
  margin-top: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  color: var(--gray-400);
  text-decoration: none;
  font-size: .875rem;
  font-weight: 500;
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
  overflow: hidden;
  margin-bottom: 1px;
}
.nav-item svg { flex-shrink: 0; }
.nav-item:hover { color: #fff; background: rgba(255,255,255,.07); }
.nav-item.active { color: #fff; background: var(--primary); }

.nav-divider {
  height: 1px;
  background: rgba(255,255,255,.06);
  margin: 8px 4px;
}

.sidebar-footer {
  padding: 12px 10px;
  border-top: 1px solid rgba(255,255,255,.06);
  display: flex;
  align-items: center;
  gap: 8px;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  overflow: hidden;
}

.user-avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .85rem;
  flex-shrink: 0;
}

.user-details {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.user-name {
  font-size: .8rem;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  font-size: .7rem;
  color: var(--gray-500);
}

.btn-logout {
  display: flex;
  align-items: center;
  padding: 7px;
  border-radius: var(--radius-sm);
  color: var(--gray-400);
  text-decoration: none;
  transition: color var(--transition), background var(--transition);
  flex-shrink: 0;
}
.btn-logout:hover { color: var(--danger); background: rgba(239,68,68,.1); }

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

/* ─── Topbar ─── */
.topbar {
  height: var(--topbar-height);
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gray-600);
  padding: 4px;
  border-radius: var(--radius-sm);
}

.topbar-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-800);
  flex: 1;
}

.app-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .8rem;
  background: var(--primary-light);
  color: var(--primary);
  padding: 4px 12px;
  border-radius: 20px;
  font-weight: 500;
}

.badge-suspended {
  background: var(--danger);
  color: #fff;
  font-size: .65rem;
  padding: 1px 6px;
  border-radius: 10px;
}

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

/* ─── Flash ─── */
.flash {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  font-size: .875rem;
  font-weight: 500;
  border-bottom: 1px solid transparent;
  position: relative;
}
.flash-success { background: var(--success-light); color: #166534; border-color: #bbf7d0; }
.flash-error   { background: var(--danger-light);  color: #991b1b; border-color: #fecaca; }
.flash-warning { background: var(--warning-light); color: #92400e; border-color: #fde68a; }
.flash-info    { background: var(--info-light);    color: #1e40af; border-color: #bfdbfe; }

.flash-close {
  margin-left: auto;
  background: none;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  opacity: .6;
  line-height: 1;
  padding: 0 4px;
}
.flash-close:hover { opacity: 1; }

/* ─── Cards ─── */
.card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow);
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-title {
  font-size: .95rem;
  font-weight: 600;
  color: var(--gray-800);
}

.card-body { padding: 20px; }
.card-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--gray-100);
  background: var(--gray-50);
  border-radius: 0 0 var(--radius) var(--radius);
}

/* ─── Stats Grid ─── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.stat-icon {
  width: 46px; height: 46px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.stat-icon.blue   { background: var(--info-light); color: var(--info); }
.stat-icon.green  { background: var(--success-light); color: var(--success); }
.stat-icon.purple { background: var(--primary-light); color: var(--primary); }
.stat-icon.orange { background: var(--warning-light); color: var(--warning); }
.stat-icon.red    { background: var(--danger-light); color: var(--danger); }

.stat-value {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1;
}
.stat-label {
  font-size: .78rem;
  color: var(--gray-500);
  margin-top: 2px;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-sm { padding: 5px 12px; font-size: .8rem; }
.btn-lg { padding: 11px 24px; font-size: 1rem; }

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

.btn-success { background: var(--success); color: #fff; border-color: var(--success); }
.btn-success:hover { background: #16a34a; border-color: #16a34a; }

.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover { background: #dc2626; }

.btn-warning { background: var(--warning); color: #fff; border-color: var(--warning); }
.btn-warning:hover { background: #d97706; }

.btn-outline {
  background: transparent;
  color: var(--gray-700);
  border-color: var(--gray-300);
}
.btn-outline:hover { background: var(--gray-50); border-color: var(--gray-400); }

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

.btn-ghost {
  background: transparent;
  color: var(--gray-600);
  border-color: transparent;
}
.btn-ghost:hover { background: var(--gray-100); color: var(--gray-800); }

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

.form-label {
  display: block;
  font-size: .83rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-label .required { color: var(--danger); margin-left: 2px; }

.form-control {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: .875rem;
  font-family: inherit;
  color: var(--gray-800);
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99,102,241,.12);
}
.form-control::placeholder { color: var(--gray-400); }
.form-control:disabled { background: var(--gray-50); color: var(--gray-500); }

.form-control.is-invalid { border-color: var(--danger); }
.form-control.is-invalid:focus { box-shadow: 0 0 0 3px rgba(239,68,68,.12); }

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

select.form-control { cursor: pointer; }

.form-hint {
  font-size: .75rem;
  color: var(--gray-500);
  margin-top: 4px;
}

.form-error {
  font-size: .75rem;
  color: var(--danger);
  margin-top: 4px;
}

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

.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
}

thead th {
  background: var(--gray-50);
  padding: 11px 14px;
  text-align: left;
  font-size: .75rem;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: .04em;
  border-bottom: 1px solid var(--gray-200);
  white-space: nowrap;
}

tbody tr {
  border-bottom: 1px solid var(--gray-100);
  transition: background var(--transition);
}
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--gray-50); }

tbody td {
  padding: 12px 14px;
  color: var(--gray-700);
  vertical-align: middle;
}

.table-actions { display: flex; gap: 6px; align-items: center; }

/* ─── Badges ─── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .02em;
}
.badge-active   { background: var(--success-light); color: #166534; }
.badge-suspended{ background: var(--danger-light); color: #991b1b; }
.badge-ios      { background: #f0f0f5; color: #333; }
.badge-android  { background: #e8f5e9; color: #2e7d32; }
.badge-web      { background: var(--info-light); color: var(--info); }
.badge-primary  { background: var(--primary-light); color: var(--primary-dark); }
.badge-warning  { background: var(--warning-light); color: #92400e; }

/* Status dot */
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.status-dot.active   { background: var(--success); }
.status-dot.suspended{ background: var(--danger); }

/* ─── Page Header ─── */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
  flex-wrap: wrap;
}

.page-header-left h1 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--gray-900);
}

.page-header-left p {
  font-size: .85rem;
  color: var(--gray-500);
  margin-top: 2px;
}

/* ─── App Grid ─── */
.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.app-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: box-shadow var(--transition), border-color var(--transition);
  text-decoration: none;
  color: inherit;
}
.app-card:hover { box-shadow: var(--shadow-md); border-color: var(--gray-300); }
.app-card.suspended { border-color: #fecaca; }

.app-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.app-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  object-fit: cover;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  flex-shrink: 0;
}

.app-icon-placeholder {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.app-name { font-weight: 600; font-size: .95rem; color: var(--gray-900); }
.app-key  { font-size: .72rem; color: var(--gray-400); font-family: 'DM Mono', monospace; }

.app-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.app-stat {
  font-size: .75rem;
  color: var(--gray-500);
  display: flex;
  align-items: center;
  gap: 4px;
}

.app-actions {
  display: flex;
  gap: 6px;
  margin-top: auto;
  flex-wrap: wrap;
}

/* ─── Code Block ─── */
.code-block {
  background: var(--gray-900);
  color: #e2e8f0;
  border-radius: var(--radius);
  padding: 18px 20px;
  font-family: 'DM Mono', monospace;
  font-size: .8rem;
  line-height: 1.7;
  overflow-x: auto;
  position: relative;
}

.code-block pre { margin: 0; white-space: pre-wrap; word-break: break-all; }

.copy-btn {
  position: absolute;
  top: 10px; right: 10px;
  background: rgba(255,255,255,.1);
  color: var(--gray-300);
  border: none;
  border-radius: var(--radius-sm);
  padding: 5px 12px;
  font-size: .75rem;
  cursor: pointer;
  transition: background var(--transition);
  font-family: inherit;
}
.copy-btn:hover { background: rgba(255,255,255,.2); color: #fff; }
.copy-btn.copied { background: var(--success); color: #fff; }

/* ─── Tabs ─── */
.tabs {
  display: flex;
  gap: 2px;
  border-bottom: 2px solid var(--gray-200);
  margin-bottom: 24px;
}

.tab-btn {
  padding: 10px 18px;
  background: none;
  border: none;
  font-family: inherit;
  font-size: .875rem;
  font-weight: 500;
  color: var(--gray-500);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color var(--transition), border-color var(--transition);
}
.tab-btn:hover { color: var(--gray-800); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ─── Modal ─── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .2s, visibility .2s;
}
.modal-overlay.open { opacity: 1; visibility: visible; }

.modal {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 500px;
  transform: translateY(10px);
  transition: transform .2s;
}
.modal-overlay.open .modal { transform: translateY(0); }

.modal-header {
  padding: 18px 22px 14px;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-title { font-size: 1rem; font-weight: 700; color: var(--gray-900); }
.modal-close { background: none; border: none; cursor: pointer; color: var(--gray-400); padding: 4px; font-size: 1.2rem; line-height: 1; }
.modal-close:hover { color: var(--gray-800); }
.modal-body { padding: 20px 22px; }
.modal-footer {
  padding: 14px 22px;
  border-top: 1px solid var(--gray-100);
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

/* ─── Color Picker ─── */
.color-input-group {
  display: flex;
  align-items: center;
  gap: 8px;
}
.color-swatch {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gray-300);
  cursor: pointer;
  flex-shrink: 0;
}

/* ─── Icon Preview ─── */
.icon-preview {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px;
  background: var(--gray-50);
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  margin-top: 8px;
}
.icon-preview img {
  width: 56px; height: 56px;
  border-radius: 12px;
  object-fit: cover;
  border: 1px solid var(--gray-200);
}
.icon-preview-info { font-size: .78rem; color: var(--gray-500); }

/* ─── Tutorial ─── */
.tutorial-step {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--gray-100);
}
.tutorial-step:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

.step-number {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .85rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.step-content h3 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 6px;
}
.step-content p {
  font-size: .875rem;
  color: var(--gray-600);
  line-height: 1.65;
  margin-bottom: 8px;
}
.step-content ul, .step-content ol {
  font-size: .875rem;
  color: var(--gray-600);
  padding-left: 20px;
  line-height: 1.8;
}

/* ─── Empty State ─── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--gray-400);
}
.empty-state svg { opacity: .3; margin-bottom: 12px; }
.empty-state h3 { font-size: 1rem; color: var(--gray-600); margin-bottom: 6px; }
.empty-state p { font-size: .85rem; }

/* ─── Pagination ─── */
.pagination {
  display: flex;
  gap: 4px;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.page-btn {
  min-width: 34px; height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gray-200);
  background: #fff;
  color: var(--gray-600);
  font-size: .85rem;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
  padding: 0 8px;
}
.page-btn:hover { background: var(--gray-50); border-color: var(--gray-300); }
.page-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.page-btn:disabled { opacity: .4; cursor: not-allowed; }

/* ─── Search / Filter Bar ─── */
.filter-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
  flex-wrap: wrap;
  align-items: center;
}

.search-input {
  flex: 1;
  min-width: 200px;
  max-width: 320px;
  padding: 8px 12px 8px 36px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: .875rem;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='M21 21l-4.35-4.35'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 10px center;
}
.search-input:focus { border-color: var(--primary); }

/* ─── Toggle Switch ─── */
.toggle-switch { position: relative; display: inline-block; width: 42px; height: 24px; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; cursor: pointer; inset: 0;
  background: var(--gray-300); border-radius: 24px;
  transition: background .2s;
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  left: 3px; bottom: 3px;
  background: #fff; border-radius: 50%;
  transition: transform .2s;
  box-shadow: 0 1px 3px rgba(0,0,0,.2);
}
.toggle-switch input:checked + .toggle-slider { background: var(--primary); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(18px); }

/* ─── Login Page ─── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #1e1b4b 100%);
  padding: 20px;
}

.login-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 60px rgba(0,0,0,.35);
}

.login-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}
.login-logo span {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--gray-900);
}
.login-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 4px;
}
.login-subtitle { font-size: .85rem; color: var(--gray-500); margin-bottom: 24px; }

/* ─── Notification preview ─── */
.notif-preview {
  background: var(--gray-900);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: #fff;
  max-width: 380px;
  margin-top: 10px;
}
.notif-icon { width: 36px; height: 36px; border-radius: 8px; object-fit: cover; background: var(--gray-700); flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.notif-title { font-size: .85rem; font-weight: 600; }
.notif-body  { font-size: .78rem; color: var(--gray-400); margin-top: 2px; }

/* ─── Spinner ─── */
@keyframes spin { to { transform: rotate(360deg); } }
.spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  display: inline-block;
  flex-shrink: 0;
}
.spinner-dark {
  border-color: rgba(0,0,0,.15);
  border-top-color: var(--primary);
}

/* ─── Responsive ─── */
@media (max-width: 900px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .sidebar-toggle { display: flex; }
  .topbar-menu-btn { display: flex; }
  .main-content { margin-left: 0; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  .page-header { flex-direction: column; }
}

@media (max-width: 640px) {
  .page-content { padding: 16px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .app-grid { grid-template-columns: 1fr; }
}

/* ─── Alerts ─── */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  border: 1px solid;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 16px;
}
.alert-info { background: var(--info-light); color: #1e40af; border-color: #bfdbfe; }
.alert-success { background: var(--success-light); color: #166534; border-color: #bbf7d0; }
.alert-warning { background: var(--warning-light); color: #92400e; border-color: #fde68a; }
.alert-danger { background: var(--danger-light); color: #991b1b; border-color: #fecaca; }

/* ─── Misc ─── */
.text-muted { color: var(--gray-400); }
.text-sm    { font-size: .8rem; }
.text-mono  { font-family: 'DM Mono', monospace; }
.truncate   { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.flex       { display: flex; }
.gap-2      { gap: 8px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.fw-mono { font-family: 'DM Mono', monospace; font-size: .8rem; }

/* Sidebar overlay for mobile */
.sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.4);
  z-index: 99;
}
.sidebar-overlay.open { display: block; }