/* ═══════════════════════════════════════════
   Smart City Super Admin — Premium Dark UI
   ═══════════════════════════════════════════ */
:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: #1a1f35;
  --bg-card-hover: #1f2544;
  --bg-input: #151b2e;
  --border: #2a3150;
  --border-light: #333b58;
  --text-primary: #e8eaf0;
  --text-secondary: #8b92a8;
  --text-muted: #5a6280;
  --accent: #6366f1;
  --accent-light: #818cf8;
  --accent-glow: rgba(99,102,241,0.3);
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #06b6d4;
  --gradient: linear-gradient(135deg, #6366f1, #8b5cf6);
  --gradient-2: linear-gradient(135deg, #06b6d4, #3b82f6);
  --sidebar-w: 260px;
  --topbar-h: 64px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.4);
  --transition: all 0.25s cubic-bezier(.4,0,.2,1);
}

* { margin:0; padding:0; box-sizing:border-box; }
html { font-size: 14px; }
body { font-family:'Inter',system-ui,sans-serif; background:var(--bg-primary); color:var(--text-primary); overflow-x:hidden; }
.hidden { display:none!important; }
::-webkit-scrollbar { width:6px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:var(--border); border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:var(--border-light); }

/* ═══ LOGIN ═══ */
.login-screen { min-height:100vh; display:flex; align-items:center; justify-content:center; position:relative; background:var(--bg-primary); }
.login-ambient { position:absolute; inset:0; background:radial-gradient(ellipse at 30% 20%, rgba(99,102,241,0.08) 0%, transparent 50%), radial-gradient(ellipse at 70% 80%, rgba(139,92,246,0.06) 0%, transparent 50%); }
.login-card { position:relative; background:var(--bg-card); border:1px solid var(--border); border-radius:20px; padding:48px 40px; width:420px; max-width:90vw; box-shadow:var(--shadow-lg); }
.login-logo { text-align:center; margin-bottom:36px; }
.logo-icon { width:64px; height:64px; margin:0 auto 16px; background:var(--gradient); border-radius:16px; display:flex; align-items:center; justify-content:center; color:#fff; box-shadow:0 0 30px var(--accent-glow); }
.login-logo h1 { font-size:1.8rem; font-weight:800; background:var(--gradient); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.login-subtitle { color:var(--text-secondary); font-size:0.85rem; margin-top:4px; letter-spacing:2px; text-transform:uppercase; }
.form-group { margin-bottom:20px; }
.form-group label { display:block; font-size:0.8rem; font-weight:600; color:var(--text-secondary); margin-bottom:8px; text-transform:uppercase; letter-spacing:0.5px; }
.form-group input { width:100%; padding:12px 16px; background:var(--bg-input); border:1px solid var(--border); border-radius:var(--radius-sm); color:var(--text-primary); font-size:0.95rem; font-family:inherit; transition:var(--transition); }
.form-group input:focus { outline:none; border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-glow); }
.password-wrapper { position:relative; }
.toggle-pass { position:absolute; right:12px; top:50%; transform:translateY(-50%); background:none; border:none; cursor:pointer; font-size:1.1rem; opacity:0.5; }
.login-error { color:var(--danger); font-size:0.85rem; margin-bottom:12px; min-height:20px; }
.login-btn { width:100%; padding:14px; background:var(--gradient); color:#fff; border:none; border-radius:var(--radius-sm); font-size:1rem; font-weight:700; cursor:pointer; position:relative; transition:var(--transition); }
.login-btn:hover { transform:translateY(-1px); box-shadow:0 6px 20px var(--accent-glow); }
.login-btn:disabled { opacity:0.6; cursor:not-allowed; transform:none; }
.btn-loader { display:none; width:20px; height:20px; border:2px solid rgba(255,255,255,0.3); border-top-color:#fff; border-radius:50%; animation:spin 0.6s linear infinite; position:absolute; right:16px; top:50%; margin-top:-10px; }
.btn-loader.active { display:block; }
.login-footer { text-align:center; color:var(--text-muted); font-size:0.7rem; margin-top:24px; }
@keyframes spin { to { transform:rotate(360deg); } }

/* ═══ LAYOUT ═══ */
.main-app { display:flex; min-height:100vh; }
.sidebar { width:var(--sidebar-w); background:var(--bg-secondary); border-right:1px solid var(--border); display:flex; flex-direction:column; position:fixed; top:0; left:0; bottom:0; z-index:100; transition:var(--transition); }
.sidebar.collapsed { width:72px; }
.sidebar.collapsed .nav-text, .sidebar.collapsed .nav-label, .sidebar.collapsed .admin-info, .sidebar.collapsed .sidebar-logo span { display:none; }
.sidebar.collapsed .nav-item { justify-content:center; padding:12px; }
.sidebar-header { padding:20px; display:flex; align-items:center; justify-content:space-between; border-bottom:1px solid var(--border); }
.sidebar-logo { display:flex; align-items:center; gap:10px; color:var(--accent-light); font-weight:800; font-size:1.1rem; }
.sidebar-toggle { background:none; border:none; color:var(--text-secondary); font-size:1.2rem; cursor:pointer; padding:4px 8px; border-radius:6px; }
.sidebar-toggle:hover { background:var(--bg-card); }
.sidebar-nav { flex:1; overflow-y:auto; padding:16px 12px; }
.nav-section { margin-bottom:24px; }
.nav-label { font-size:0.65rem; font-weight:700; color:var(--text-muted); letter-spacing:1.5px; padding:0 12px; margin-bottom:8px; display:block; }
.nav-item { display:flex; align-items:center; gap:12px; padding:10px 14px; border-radius:var(--radius-sm); color:var(--text-secondary); cursor:pointer; transition:var(--transition); text-decoration:none; font-weight:500; font-size:0.9rem; }
.nav-item:hover { background:var(--bg-card); color:var(--text-primary); }
.nav-item.active { background:rgba(99,102,241,0.12); color:var(--accent-light); font-weight:600; }
.nav-icon { font-size:1.1rem; width:24px; text-align:center; flex-shrink:0; }
.sidebar-footer { padding:16px; border-top:1px solid var(--border); }
.admin-badge { display:flex; align-items:center; gap:10px; margin-bottom:12px; }
.admin-avatar { width:36px; height:36px; background:var(--gradient); border-radius:10px; display:flex; align-items:center; justify-content:center; font-weight:700; font-size:0.85rem; color:#fff; flex-shrink:0; }
.admin-name { font-weight:600; font-size:0.85rem; display:block; }
.admin-role { font-size:0.7rem; color:var(--text-muted); }
.logout-btn { width:100%; padding:8px; background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-sm); color:var(--text-secondary); cursor:pointer; font-size:0.8rem; font-family:inherit; transition:var(--transition); }
.logout-btn:hover { border-color:var(--danger); color:var(--danger); }

/* ═══ MAIN CONTENT ═══ */
.main-content { margin-left:var(--sidebar-w); flex:1; min-height:100vh; transition:var(--transition); }
.sidebar.collapsed ~ .main-content { margin-left:72px; }
.topbar { height:var(--topbar-h); background:var(--bg-secondary); border-bottom:1px solid var(--border); display:flex; align-items:center; justify-content:space-between; padding:0 24px; position:sticky; top:0; z-index:50; backdrop-filter:blur(12px); }
.topbar-left { display:flex; align-items:center; gap:16px; }
.topbar-left h2 { font-size:1.2rem; font-weight:700; }
.breadcrumb { font-size:0.75rem; color:var(--text-muted); }
.mobile-menu { display:none; background:none; border:none; color:var(--text-secondary); font-size:1.3rem; cursor:pointer; }
.topbar-right { display:flex; align-items:center; gap:12px; }
.search-box { position:relative; }
.search-box input { padding:8px 16px 8px 36px; background:var(--bg-card); border:1px solid var(--border); border-radius:20px; color:var(--text-primary); font-size:0.85rem; width:240px; font-family:inherit; transition:var(--transition); }
.search-box input:focus { outline:none; border-color:var(--accent); width:300px; }
.search-icon { position:absolute; left:12px; top:50%; transform:translateY(-50%); font-size:0.85rem; }
.topbar-btn { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-sm); padding:6px 10px; color:var(--text-secondary); cursor:pointer; transition:var(--transition); }
.topbar-btn:hover { border-color:var(--accent); color:var(--accent-light); }
.server-status { display:flex; align-items:center; gap:6px; font-size:0.8rem; color:var(--text-secondary); padding:6px 12px; background:var(--bg-card); border-radius:20px; border:1px solid var(--border); }
.status-dot { width:8px; height:8px; border-radius:50%; }
.status-dot.online { background:var(--success); box-shadow:0 0 8px rgba(16,185,129,0.5); }
.status-dot.offline { background:var(--danger); }

/* ═══ PAGE CONTENT ═══ */
.page-content { padding:24px; }

/* ═══ STAT CARDS ═══ */
.stats-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:16px; margin-bottom:24px; }
.stat-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:20px; transition:var(--transition); position:relative; overflow:hidden; }
.stat-card:hover { border-color:var(--border-light); transform:translateY(-2px); box-shadow:var(--shadow); }
.stat-card::before { content:''; position:absolute; top:0; left:0; right:0; height:3px; border-radius:var(--radius) var(--radius) 0 0; }
.stat-card.purple::before { background:var(--gradient); }
.stat-card.blue::before { background:var(--gradient-2); }
.stat-card.green::before { background:linear-gradient(135deg,#10b981,#34d399); }
.stat-card.orange::before { background:linear-gradient(135deg,#f59e0b,#fbbf24); }
.stat-card.red::before { background:linear-gradient(135deg,#ef4444,#f87171); }
.stat-card.cyan::before { background:linear-gradient(135deg,#06b6d4,#22d3ee); }
.stat-label { font-size:0.75rem; color:var(--text-muted); text-transform:uppercase; letter-spacing:1px; font-weight:600; }
.stat-value { font-size:2rem; font-weight:800; margin:8px 0 4px; }
.stat-change { font-size:0.75rem; color:var(--success); font-weight:600; }
.stat-change.negative { color:var(--danger); }
.stat-icon { position:absolute; right:16px; top:50%; transform:translateY(-50%); font-size:2.4rem; opacity:0.12; }

/* ═══ DATA TABLE ═══ */
.table-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; }
.table-header { display:flex; align-items:center; justify-content:space-between; padding:16px 20px; border-bottom:1px solid var(--border); flex-wrap:wrap; gap:12px; }
.table-title { font-size:1rem; font-weight:700; }
.table-actions { display:flex; gap:8px; align-items:center; }
.table-search { padding:8px 14px; background:var(--bg-input); border:1px solid var(--border); border-radius:var(--radius-sm); color:var(--text-primary); font-size:0.85rem; font-family:inherit; min-width:200px; }
.table-search:focus { outline:none; border-color:var(--accent); }
.table-btn { padding:8px 16px; background:var(--gradient); color:#fff; border:none; border-radius:var(--radius-sm); font-size:0.8rem; font-weight:600; cursor:pointer; transition:var(--transition); font-family:inherit; }
.table-btn:hover { transform:translateY(-1px); box-shadow:0 4px 12px var(--accent-glow); }
.table-btn.secondary { background:var(--bg-input); color:var(--text-secondary); border:1px solid var(--border); }
.table-btn.danger { background:linear-gradient(135deg,#ef4444,#dc2626); }
.data-table { width:100%; border-collapse:collapse; }
.data-table th { padding:12px 16px; text-align:left; font-size:0.7rem; text-transform:uppercase; letter-spacing:1px; color:var(--text-muted); font-weight:700; background:var(--bg-input); border-bottom:1px solid var(--border); }
.data-table td { padding:14px 16px; border-bottom:1px solid rgba(42,49,80,0.5); font-size:0.85rem; vertical-align:middle; }
.data-table tr:hover td { background:rgba(99,102,241,0.03); }
.data-table tr:last-child td { border-bottom:none; }
.table-pagination { display:flex; align-items:center; justify-content:space-between; padding:12px 20px; border-top:1px solid var(--border); }
.pagination-info { font-size:0.8rem; color:var(--text-muted); }
.pagination-btns { display:flex; gap:4px; }
.page-btn { padding:6px 12px; background:var(--bg-input); border:1px solid var(--border); border-radius:6px; color:var(--text-secondary); cursor:pointer; font-size:0.8rem; font-family:inherit; transition:var(--transition); }
.page-btn:hover { border-color:var(--accent); color:var(--accent-light); }
.page-btn.active { background:var(--accent); border-color:var(--accent); color:#fff; }

/* ═══ BADGES ═══ */
.badge { padding:4px 10px; border-radius:20px; font-size:0.7rem; font-weight:700; text-transform:uppercase; letter-spacing:0.5px; display:inline-block; }
.badge.active, .badge.confirmed, .badge.completed, .badge.success { background:rgba(16,185,129,0.12); color:#10b981; }
.badge.pending { background:rgba(245,158,11,0.12); color:#f59e0b; }
.badge.cancelled, .badge.suspended, .badge.rejected, .badge.danger { background:rgba(239,68,68,0.12); color:#ef4444; }
.badge.admin { background:rgba(99,102,241,0.12); color:#818cf8; }
.badge.partner { background:rgba(139,92,246,0.12); color:#a78bfa; }
.badge.customer { background:rgba(6,182,212,0.12); color:#22d3ee; }
.badge.free { background:rgba(107,114,128,0.12); color:#9ca3af; }
.badge.starter { background:rgba(59,130,246,0.12); color:#60a5fa; }
.badge.professional { background:rgba(168,85,247,0.12); color:#c084fc; }
.badge.enterprise { background:rgba(234,179,8,0.12); color:#fde047; }

/* ═══ USER AVATAR IN TABLE ═══ */
.user-cell { display:flex; align-items:center; gap:10px; }
.user-cell-avatar { width:32px; height:32px; border-radius:8px; background:var(--gradient); display:flex; align-items:center; justify-content:center; font-weight:700; font-size:0.75rem; color:#fff; flex-shrink:0; }
.user-cell-name { font-weight:600; }
.user-cell-sub { font-size:0.75rem; color:var(--text-muted); }

/* ═══ ACTION BUTTONS IN TABLE ═══ */
.action-btns { display:flex; gap:6px; }
.action-btn { padding:5px 10px; border-radius:6px; font-size:0.7rem; font-weight:600; cursor:pointer; border:1px solid var(--border); background:var(--bg-input); color:var(--text-secondary); transition:var(--transition); font-family:inherit; }
.action-btn:hover { border-color:var(--accent); color:var(--accent-light); }
.action-btn.view { color:var(--info); border-color:rgba(6,182,212,0.3); }
.action-btn.edit { color:var(--accent-light); border-color:rgba(99,102,241,0.3); }
.action-btn.delete { color:var(--danger); border-color:rgba(239,68,68,0.3); }
.action-btn.delete:hover { background:rgba(239,68,68,0.1); }

/* ═══ CHARTS AREA ═══ */
.charts-grid { display:grid; grid-template-columns:2fr 1fr; gap:16px; margin-bottom:24px; }
.chart-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:20px; }
.chart-card h3 { font-size:1rem; font-weight:700; margin-bottom:16px; }
.chart-bar-container { display:flex; align-items:flex-end; gap:8px; height:180px; padding-top:10px; }
.chart-bar { flex:1; background:var(--gradient); border-radius:6px 6px 0 0; min-height:8px; transition:var(--transition); position:relative; cursor:pointer; }
.chart-bar:hover { opacity:0.85; }
.chart-bar-label { position:absolute; bottom:-22px; left:50%; transform:translateX(-50%); font-size:0.6rem; color:var(--text-muted); white-space:nowrap; }
.chart-bar-value { position:absolute; top:-20px; left:50%; transform:translateX(-50%); font-size:0.65rem; color:var(--text-secondary); font-weight:600; }
.donut-chart { width:160px; height:160px; border-radius:50%; margin:0 auto; position:relative; }
.donut-center { position:absolute; inset:30px; border-radius:50%; background:var(--bg-card); display:flex; flex-direction:column; align-items:center; justify-content:center; }
.donut-value { font-size:1.4rem; font-weight:800; }
.donut-label { font-size:0.65rem; color:var(--text-muted); }
.chart-legend { margin-top:16px; }
.legend-item { display:flex; align-items:center; gap:8px; font-size:0.8rem; color:var(--text-secondary); margin-bottom:6px; }
.legend-dot { width:10px; height:10px; border-radius:3px; }

/* ═══ MODAL ═══ */
.modal-overlay { position:fixed; inset:0; background:rgba(0,0,0,0.6); backdrop-filter:blur(4px); display:none; align-items:center; justify-content:center; z-index:1000; }
.modal-overlay.active { display:flex; }
.modal-content { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); width:600px; max-width:90vw; max-height:85vh; overflow:hidden; display:flex; flex-direction:column; box-shadow:var(--shadow-lg); }
.modal-header { display:flex; align-items:center; justify-content:space-between; padding:16px 20px; border-bottom:1px solid var(--border); }
.modal-header h3 { font-size:1rem; font-weight:700; }
.modal-close { background:none; border:none; color:var(--text-muted); font-size:1.2rem; cursor:pointer; padding:4px 8px; border-radius:6px; }
.modal-close:hover { background:var(--bg-input); color:var(--text-primary); }
.modal-body { padding:20px; overflow-y:auto; }
.detail-grid { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.detail-item { padding:12px; background:var(--bg-input); border-radius:var(--radius-sm); border:1px solid var(--border); }
.detail-item label { display:block; font-size:0.65rem; text-transform:uppercase; color:var(--text-muted); letter-spacing:0.5px; font-weight:700; margin-bottom:4px; }
.detail-item span { font-size:0.9rem; font-weight:600; }
.detail-full { grid-column:1/-1; }

/* ═══ TOAST ═══ */
.toast-container { position:fixed; top:20px; right:20px; z-index:2000; display:flex; flex-direction:column; gap:8px; }
.toast { padding:12px 20px; background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-sm); color:var(--text-primary); font-size:0.85rem; font-weight:500; animation:slideIn 0.3s ease; box-shadow:var(--shadow); display:flex; align-items:center; gap:10px; min-width:280px; }
.toast.success { border-left:3px solid var(--success); }
.toast.error { border-left:3px solid var(--danger); }
.toast.info { border-left:3px solid var(--info); }
@keyframes slideIn { from { transform:translateX(100%); opacity:0; } to { transform:translateX(0); opacity:1; } }

/* ═══ LOADING ═══ */
.loading-skeleton { background:linear-gradient(90deg, var(--bg-input) 25%, var(--bg-card) 50%, var(--bg-input) 75%); background-size:200% 100%; animation:shimmer 1.5s infinite; border-radius:var(--radius-sm); }
@keyframes shimmer { 0% { background-position:200% 0; } 100% { background-position:-200% 0; } }
.page-loader { display:flex; align-items:center; justify-content:center; min-height:400px; }
.page-loader .spinner { width:40px; height:40px; border:3px solid var(--border); border-top-color:var(--accent); border-radius:50%; animation:spin 0.8s linear infinite; }

/* ═══ EMPTY STATE ═══ */
.empty-state { text-align:center; padding:60px 20px; }
.empty-state-icon { font-size:3rem; margin-bottom:16px; opacity:0.3; }
.empty-state h3 { color:var(--text-secondary); font-size:1.1rem; margin-bottom:8px; }
.empty-state p { color:var(--text-muted); font-size:0.85rem; }

/* ═══ RESPONSIVE ═══ */
@media(max-width:1024px) {
  .charts-grid { grid-template-columns:1fr; }
}
@media(max-width:768px) {
  .sidebar { transform:translateX(-100%); }
  .sidebar.open { transform:translateX(0); }
  .main-content { margin-left:0!important; }
  .mobile-menu { display:block; }
  .search-box input { width:140px; }
  .stats-grid { grid-template-columns:repeat(2,1fr); }
  .detail-grid { grid-template-columns:1fr; }
}