/* ============================================
   Tg-GetSMSBot Admin Panel — Design System
   Dark glassmorphism theme with vibrant accents
   ============================================ */

/* --- CSS Variables --- */
:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.7);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --bg-glass-hover: rgba(255, 255, 255, 0.06);
  --bg-input: rgba(255, 255, 255, 0.05);

  --border-glass: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(99, 102, 241, 0.5);

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-blue: #6366f1;
  --accent-blue-light: #818cf8;
  --accent-green: #22c55e;
  --accent-green-light: #4ade80;
  --accent-yellow: #eab308;
  --accent-yellow-light: #facc15;
  --accent-red: #ef4444;
  --accent-red-light: #f87171;
  --accent-purple: #a855f7;
  --accent-purple-light: #c084fc;
  --accent-cyan: #06b6d4;
  --accent-orange: #f97316;

  --gradient-primary: linear-gradient(135deg, #6366f1, #a855f7);
  --gradient-green: linear-gradient(135deg, #22c55e, #06b6d4);
  --gradient-warm: linear-gradient(135deg, #f97316, #ef4444);
  --gradient-cool: linear-gradient(135deg, #06b6d4, #6366f1);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.15);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --sidebar-width: 260px;
  --header-height: 64px;
  --transition: 0.2s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }

/* ============================================
   LOGIN PAGE
   ============================================ */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  overflow: hidden;
  position: relative;
}

.login-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background: linear-gradient(135deg, #0a0e1a 0%, #1a1040 50%, #0a0e1a 100%);
}

.login-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: orbFloat 20s infinite ease-in-out;
}

.login-orb-1 {
  width: 400px; height: 400px;
  background: var(--accent-blue);
  top: -100px; right: -100px;
  animation-delay: 0s;
}

.login-orb-2 {
  width: 300px; height: 300px;
  background: var(--accent-purple);
  bottom: -50px; left: -50px;
  animation-delay: -7s;
}

.login-orb-3 {
  width: 200px; height: 200px;
  background: var(--accent-cyan);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -14s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -40px) scale(1.1); }
  50% { transform: translate(-20px, 30px) scale(0.95); }
  75% { transform: translate(40px, 20px) scale(1.05); }
}

.login-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  padding: 20px;
}

.login-card {
  background: rgba(17, 24, 39, 0.6);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.login-card:hover {
  box-shadow: var(--shadow-lg), 0 0 40px rgba(99, 102, 241, 0.2);
}

.login-card.shake {
  animation: shake 0.5s ease;
}

.login-card.success {
  transform: scale(0.95);
  opacity: 0.5;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-10px); }
  40% { transform: translateX(10px); }
  60% { transform: translateX(-6px); }
  80% { transform: translateX(6px); }
}

.login-logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo-icon {
  width: 56px; height: 56px;
  margin: 0 auto 16px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.login-logo-icon svg { width: 28px; height: 28px; }

.login-logo h1 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.025em;
}

.login-logo h1 span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-subtitle {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-top: 4px;
}

.input-group {
  margin-bottom: 20px;
}

.input-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 14px;
  width: 18px; height: 18px;
  color: var(--text-muted);
  pointer-events: none;
}

.input-wrapper input {
  width: 100%;
  padding: 12px 14px 12px 42px;
  background: var(--bg-input);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9375rem;
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.input-wrapper input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.input-wrapper input::placeholder { color: var(--text-muted); }

.toggle-password {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  display: flex;
}

.toggle-password svg { width: 18px; height: 18px; }
.toggle-password:hover { color: var(--text-secondary); }

.login-error {
  color: var(--accent-red);
  font-size: 0.8125rem;
  min-height: 20px;
  margin-bottom: 8px;
  text-align: center;
}

.btn-login {
  width: 100%;
  padding: 13px;
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.btn-login:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
}

.btn-login:active:not(:disabled) {
  transform: translateY(0);
}

.btn-login:disabled { opacity: 0.7; cursor: not-allowed; }

.btn-login.loading .btn-text { opacity: 0; }
.btn-login.loading .btn-loader { display: block; }

.btn-loader {
  display: none;
  position: absolute;
  top: 50%; left: 50%;
  width: 22px; height: 22px;
  margin: -11px 0 0 -11px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.login-footer {
  text-align: center;
  margin-top: 24px;
  color: var(--text-muted);
  font-size: 0.75rem;
}

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

/* --- Sidebar --- */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-glass);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid var(--border-glass);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-brand-icon {
  width: 40px; height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.sidebar-brand-icon svg { width: 20px; height: 20px; }

.sidebar-brand h2 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.sidebar-brand h2 span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-brand small {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 400;
}

.sidebar-nav {
  flex: 1;
  padding: 12px;
  overflow-y: auto;
}

.nav-section {
  margin-bottom: 8px;
}

.nav-section-title {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 8px 12px 4px;
  font-weight: 600;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  font-size: 0.875rem;
  font-weight: 500;
  position: relative;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: inherit;
}

.nav-item:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
}

.nav-item.active {
  background: rgba(99, 102, 241, 0.12);
  color: var(--accent-blue-light);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: var(--accent-blue);
  border-radius: 2px;
}

.nav-item svg {
  width: 18px; height: 18px;
  flex-shrink: 0;
}

.nav-badge {
  margin-left: auto;
  background: var(--accent-red);
  color: white;
  font-size: 0.6875rem;
  padding: 1px 7px;
  border-radius: 10px;
  font-weight: 600;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border-glass);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: var(--bg-glass);
}

.sidebar-user-avatar {
  width: 32px; height: 32px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

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

.sidebar-user-name {
  font-size: 0.8125rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-role {
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.btn-logout {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  display: flex;
  border-radius: 6px;
  transition: all var(--transition);
}

.btn-logout:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--accent-red);
}

.btn-logout svg { width: 16px; height: 16px; }

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

.main-header {
  height: var(--header-height);
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-glass);
  background: rgba(10, 14, 26, 0.8);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 50;
}

.main-header h1 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

.btn-refresh {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-refresh:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
}

.btn-refresh svg { width: 14px; height: 14px; }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 8px;
}

.menu-toggle svg { width: 24px; height: 24px; }

.page-content {
  padding: 28px;
}

/* ============================================
   STAT CARDS
   ============================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
}

.stat-blue::before { background: var(--gradient-primary); }
.stat-green::before { background: var(--gradient-green); }
.stat-yellow::before { background: linear-gradient(135deg, var(--accent-yellow), var(--accent-orange)); }
.stat-red::before { background: var(--gradient-warm); }
.stat-purple::before { background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue)); }
.stat-cyan::before { background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green)); }

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 255, 255, 0.12);
}

.stat-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.stat-blue .stat-icon { background: rgba(99, 102, 241, 0.15); }
.stat-green .stat-icon { background: rgba(34, 197, 94, 0.15); }
.stat-yellow .stat-icon { background: rgba(234, 179, 8, 0.15); }
.stat-red .stat-icon { background: rgba(239, 68, 68, 0.15); }
.stat-purple .stat-icon { background: rgba(168, 85, 247, 0.15); }
.stat-cyan .stat-icon { background: rgba(6, 182, 212, 0.15); }

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

.stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* ============================================
   DATA TABLE
   ============================================ */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.data-table th {
  text-align: left;
  padding: 12px 16px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-glass);
  white-space: nowrap;
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-glass);
  color: var(--text-primary);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: background var(--transition);
}

.data-table tbody tr:hover {
  background: var(--bg-glass-hover);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.actions-cell {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

/* ============================================
   BADGES
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.badge-green { background: rgba(34, 197, 94, 0.15); color: var(--accent-green-light); }
.badge-blue { background: rgba(99, 102, 241, 0.15); color: var(--accent-blue-light); }
.badge-yellow { background: rgba(234, 179, 8, 0.15); color: var(--accent-yellow-light); }
.badge-red { background: rgba(239, 68, 68, 0.15); color: var(--accent-red-light); }
.badge-purple { background: rgba(168, 85, 247, 0.15); color: var(--accent-purple-light); }
.badge-gray { background: rgba(148, 163, 184, 0.15); color: var(--text-secondary); }

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

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

.btn-success {
  background: rgba(34, 197, 94, 0.15);
  color: var(--accent-green);
  border-color: rgba(34, 197, 94, 0.3);
}
.btn-success:hover { background: rgba(34, 197, 94, 0.25); }

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-red);
  border-color: rgba(239, 68, 68, 0.3);
}
.btn-danger:hover { background: rgba(239, 68, 68, 0.25); }

.btn-warning {
  background: rgba(234, 179, 8, 0.15);
  color: var(--accent-yellow);
  border-color: rgba(234, 179, 8, 0.3);
}
.btn-warning:hover { background: rgba(234, 179, 8, 0.25); }

.btn-ghost {
  background: var(--bg-glass);
  color: var(--text-secondary);
  border-color: var(--border-glass);
}
.btn-ghost:hover { background: var(--bg-glass-hover); color: var(--text-primary); }

.btn-sm { padding: 5px 10px; font-size: 0.6875rem; }

/* ============================================
   SEARCH BAR
   ============================================ */
.search-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  position: relative;
}

.search-icon {
  position: absolute;
  left: 14px;
  width: 16px; height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}

.search-input {
  flex: 1;
  padding: 10px 14px 10px 40px;
  background: var(--bg-input);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition);
}

.search-input:focus { border-color: var(--border-focus); }
.search-input::placeholder { color: var(--text-muted); }

.search-btn {
  padding: 10px 20px;
  background: var(--accent-blue);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background var(--transition);
}

.search-btn:hover { background: var(--accent-blue-light); }

.filter-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 7px 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover { background: var(--bg-glass-hover); color: var(--text-primary); }

.filter-btn.active {
  background: rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.3);
  color: var(--accent-blue-light);
}

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
  display: flex;
  gap: 4px;
  justify-content: center;
  margin-top: 20px;
  flex-wrap: wrap;
}

.page-btn {
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
}

.page-btn:hover { background: var(--bg-glass-hover); color: var(--text-primary); }

.page-btn.active {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: white;
}

/* ============================================
   MODAL
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.3s ease;
  padding: 20px;
}

.modal-overlay.show { opacity: 1; }

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95) translateY(10px);
  transition: transform 0.3s ease;
}

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

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-glass);
}

.modal-header h3 {
  font-size: 1.05rem;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  transition: color var(--transition);
}

.modal-close:hover { color: var(--text-primary); }

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-glass);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* Form inside modal */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--border-focus);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.3s ease;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast-success {
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: var(--accent-green-light);
  backdrop-filter: blur(12px);
}

.toast-error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--accent-red-light);
  backdrop-filter: blur(12px);
}

.toast-info {
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: var(--accent-blue-light);
  backdrop-filter: blur(12px);
}

.toast-icon { font-size: 1rem; }

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 20px;
  color: var(--text-muted);
  text-align: center;
}

.empty-state svg { margin-bottom: 12px; opacity: 0.4; }
.empty-state p { font-size: 0.875rem; }

/* ============================================
   LOADING
   ============================================ */
.page-loader {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--border-glass);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 12px;
}

.page-loader p { font-size: 0.8125rem; }

/* ============================================
   SECTION CARDS
   ============================================ */
.section-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 20px;
}

.section-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.section-card-title {
  font-size: 1rem;
  font-weight: 600;
}

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

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
  }

  .menu-toggle {
    display: flex;
  }

  .page-content {
    padding: 16px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .stat-card {
    padding: 14px;
    gap: 10px;
  }

  .stat-icon {
    width: 36px; height: 36px;
    font-size: 1rem;
  }

  .stat-value { font-size: 1.125rem; }

  .filter-bar { gap: 6px; }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .login-card {
    padding: 28px 20px;
  }

  .settings-grid {
    grid-template-columns: 1fr;
  }
}