*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0f1117; --bg2: #1a1d27; --bg3: #242836; --border: #2e3346;
  --text: #e4e7ef; --text2: #9ba3bf; --primary: #4f6ef7; --primary-hover: #3d5ce5;
  --success: #22c55e; --warning: #f59e0b; --danger: #ef4444;
  --sidebar-w: 220px;
}
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; }
.hidden { display: none !important; }

.login-container { display: flex; justify-content: center; align-items: center; min-height: 100vh; }
.login-box { background: var(--bg2); border: 1px solid var(--border); border-radius: 12px; padding: 48px; width: 400px; text-align: center; }
.login-box h1 { font-size: 28px; margin-bottom: 4px; color: var(--primary); }
.login-box h2 { font-size: 16px; color: var(--text2); margin-bottom: 32px; font-weight: 400; }
.login-box input { width: 100%; padding: 12px 16px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg3); color: var(--text); font-size: 14px; margin-bottom: 12px; outline: none; }
.login-box input:focus { border-color: var(--primary); }

.btn { padding: 10px 20px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg3); color: var(--text); cursor: pointer; font-size: 14px; transition: all 0.2s; }
.btn:hover { background: var(--border); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.error-msg { color: var(--danger); margin-top: 12px; font-size: 14px; }

#dashboard-screen { display: flex; min-height: 100vh; }
.sidebar { width: var(--sidebar-w); background: var(--bg2); border-right: 1px solid var(--border); display: flex; flex-direction: column; position: fixed; height: 100vh; }
.sidebar-brand { padding: 24px 20px; border-bottom: 1px solid var(--border); }
.sidebar-brand h2 { font-size: 20px; color: var(--primary); }
.sidebar-brand .subtitle { font-size: 12px; color: var(--text2); }
.nav-links { list-style: none; padding: 12px 0; flex: 1; }
.nav-links li a { display: block; padding: 10px 20px; color: var(--text2); text-decoration: none; font-size: 14px; transition: all 0.2s; border-left: 3px solid transparent; }
.nav-links li a:hover, .nav-links li a.active { color: var(--text); background: var(--bg3); border-left-color: var(--primary); }
.sidebar-footer { padding: 16px 20px; border-top: 1px solid var(--border); }

.main-content { margin-left: var(--sidebar-w); flex: 1; min-height: 100vh; }
.top-bar { display: flex; justify-content: space-between; align-items: center; padding: 16px 32px; border-bottom: 1px solid var(--border); background: var(--bg2); }
.top-bar h1 { font-size: 20px; }
.top-bar-actions { display: flex; align-items: center; gap: 12px; color: var(--text2); font-size: 14px; }

#page-content { padding: 24px 32px; }
.page { display: none; }
.page.active { display: block; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; padding: 20px; text-align: center; }
.stat-card.warning { border-color: var(--warning); }
.stat-card.danger { border-color: var(--danger); }
.stat-value { font-size: 32px; font-weight: 700; }
.stat-label { font-size: 13px; color: var(--text2); margin-top: 4px; }

.section-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.section-card { background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; padding: 20px; }
.section-card h3 { font-size: 16px; margin-bottom: 16px; }

.page-actions { display: flex; gap: 12px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.page-actions input[type="text"], .page-actions select { padding: 8px 14px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg3); color: var(--text); font-size: 14px; outline: none; }
.page-actions label { display: flex; align-items: center; gap: 6px; font-size: 14px; color: var(--text2); cursor: pointer; }

.table-container, .table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th { background: var(--bg3); padding: 10px 12px; text-align: left; font-weight: 600; color: var(--text2); border-bottom: 1px solid var(--border); white-space: nowrap; }
tbody td { padding: 10px 12px; border-bottom: 1px solid var(--border); }
tbody tr:hover { background: var(--bg3); }

.badge { display: inline-block; padding: 3px 10px; border-radius: 12px; font-size: 11px; font-weight: 600; text-transform: uppercase; }
.badge-success { background: rgba(34,197,94,0.15); color: var(--success); }
.badge-warning { background: rgba(245,158,11,0.15); color: var(--warning); }
.badge-danger { background: rgba(239,68,68,0.15); color: var(--danger); }
.badge-info { background: rgba(79,110,247,0.15); color: var(--primary); }
.badge-secondary { background: rgba(155,163,191,0.15); color: var(--text2); }

.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); display: flex; justify-content: center; align-items: center; z-index: 1000; }
.modal { background: var(--bg2); border: 1px solid var(--border); border-radius: 12px; width: 560px; max-height: 90vh; overflow-y: auto; }
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 20px 24px; border-bottom: 1px solid var(--border); }
.modal-header h3 { font-size: 18px; }
.modal-close { background: none; border: none; color: var(--text2); font-size: 24px; cursor: pointer; }
.modal-body { padding: 24px; }
.modal-body .form-group { margin-bottom: 16px; }
.modal-body label { display: block; font-size: 13px; color: var(--text2); margin-bottom: 6px; }
.modal-body input, .modal-body select, .modal-body textarea {
  width: 100%; padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg3); color: var(--text); font-size: 14px; outline: none;
}
.modal-body textarea { resize: vertical; min-height: 80px; }
.modal-body .form-actions { display: flex; gap: 12px; justify-content: flex-end; margin-top: 20px; }
.mt-2 { margin-top: 12px; }
.sync-controls { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.sync-controls .btn { margin-top: 8px; margin-right: 8px; }
.sync-controls select { margin-top: 8px; width: 100%; padding: 8px 14px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg3); color: var(--text); }

.api-key-display { font-family: monospace; font-size: 12px; background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 8px 12px; word-break: break-all; }

@media (max-width: 900px) {
  .sidebar { display: none; }
  .main-content { margin-left: 0; }
  .section-row, .sync-controls { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}