:root {
  --bg: #080c14;
  --panel: #0e1520;
  --panel2: #121a27;
  --border: rgba(255,255,255,0.08);
  --border2: rgba(255,255,255,0.12);
  --text: #e8edf7;
  --muted: #8a99b5;
  --accent: #7c3aed;
  --accent2: #e9007f;
  --good: #22c55e;
  --warn: #f59e0b;
  --bad: #ef4444;
  --radius: 12px;
  --sidebar-w: 220px;
}

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

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, 'Inter', system-ui, sans-serif;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

/* ── Login ── */
.login-page {
  display: grid;
  place-items: center;
  min-height: 100vh;
  background:
    radial-gradient(600px at 20% 20%, rgba(124,58,237,0.15), transparent 50%),
    radial-gradient(600px at 80% 80%, rgba(233,0,127,0.12), transparent 50%),
    var(--bg);
}

.login-wrap { width: 100%; max-width: 400px; padding: 20px; }

.login-card {
  background: var(--panel);
  border: 1px solid var(--border2);
  border-radius: 20px;
  padding: 32px;
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}

.brand-mark {
  width: 42px; height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  font-weight: 800;
  font-size: 18px;
  flex-shrink: 0;
}

.login-brand strong { display: block; font-size: 16px; }
.login-brand span { color: var(--muted); font-size: 12px; }

.login-form { display: grid; gap: 16px; }

/* ── Layout ── */
.admin-layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

/* ── Sidebar ── */
.sidebar {
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 16px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.sidebar-brand strong { font-size: 14px; }
.sidebar-brand span { color: var(--muted); font-size: 11px; display: block; }

.sidebar-nav {
  padding: 12px 8px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-section-label {
  color: var(--muted);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: 12px 10px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 9px;
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
  transition: background .15s, color .15s;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.nav-item:hover { background: rgba(255,255,255,.05); color: var(--text); }
.nav-item.active { background: rgba(124,58,237,.15); color: var(--text); }
.nav-item .nav-icon { font-size: 15px; width: 18px; text-align: center; flex-shrink: 0; }

.sidebar-footer {
  padding: 12px 8px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 9px;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--border);
  margin-bottom: 8px;
}

.sidebar-user-avatar {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.sidebar-user-info { min-width: 0; }
.sidebar-user-info strong { display: block; font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user-info span { color: var(--muted); font-size: 10px; }

/* ── Main ── */
.main-content {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow-x: hidden;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(8,12,20,.8);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 10;
  gap: 12px;
}

.topbar-title { font-size: 16px; font-weight: 600; }
.topbar-actions { display: flex; gap: 8px; align-items: center; }

.page-wrap {
  padding: 24px;
  flex: 1;
}

/* ── Cards ── */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.card-title { font-size: 15px; font-weight: 600; }
.card-sub { color: var(--muted); font-size: 13px; margin-top: 2px; }

/* ── Stats ── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}

.stat-label { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .05em; }
.stat-value { font-size: 28px; font-weight: 700; line-height: 1.1; margin: 6px 0 4px; }
.stat-sub { color: var(--muted); font-size: 12px; }

/* ── Table ── */
.table-wrap { overflow-x: auto; }

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th {
  text-align: left;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.table td {
  padding: 11px 12px;
  border-bottom: 1px solid rgba(255,255,255,.04);
  font-size: 13px;
  vertical-align: middle;
}

.table tr:hover td { background: rgba(255,255,255,.02); }
.table tr:last-child td { border-bottom: none; }

/* ── Forms ── */
.field { display: grid; gap: 6px; }
.field label { color: var(--muted); font-size: 12px; font-weight: 500; }

input, select, textarea {
  width: 100%;
  padding: 9px 12px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
  color: var(--text);
  font: inherit;
  outline: none;
  transition: border-color .15s;
}

input:focus, select:focus, textarea:focus {
  border-color: rgba(124,58,237,.5);
  box-shadow: 0 0 0 3px rgba(124,58,237,.1);
}

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

.form-grid { display: grid; gap: 14px; }
.form-grid.cols2 { grid-template-columns: 1fr 1fr; }
.form-grid.cols3 { grid-template-columns: 1fr 1fr 1fr; }

/* ── Buttons ── */
button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 8px 14px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
  color: var(--text);
  font: 13px/1 inherit;
  font-weight: 500;
  cursor: pointer;
  transition: background .15s, border-color .15s;
  white-space: nowrap;
}

button:hover { background: rgba(255,255,255,.07); }
button:disabled { opacity: .5; cursor: not-allowed; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-color: transparent;
  color: #fff;
  font-weight: 600;
  padding: 10px 18px;
}

.btn-primary:hover { opacity: .9; background: linear-gradient(135deg, var(--accent), var(--accent2)); }

.btn-danger {
  border-color: rgba(239,68,68,.4);
  background: rgba(239,68,68,.1);
  color: var(--bad);
}

.btn-success {
  border-color: rgba(34,197,94,.4);
  background: rgba(34,197,94,.1);
  color: var(--good);
}

.btn-sm { padding: 5px 10px; font-size: 12px; }

.btn-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* ── Badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
  white-space: nowrap;
}

.badge-good { border-color: rgba(34,197,94,.4); background: rgba(34,197,94,.1); color: var(--good); }
.badge-warn { border-color: rgba(245,158,11,.4); background: rgba(245,158,11,.1); color: var(--warn); }
.badge-bad  { border-color: rgba(239,68,68,.4);  background: rgba(239,68,68,.1);  color: var(--bad); }
.badge-blue { border-color: rgba(59,130,246,.4); background: rgba(59,130,246,.1); color: #60a5fa; }
.badge-purple { border-color: rgba(124,58,237,.4); background: rgba(124,58,237,.1); color: #a78bfa; }

/* ── Msgs ── */
.msg { font-size: 13px; padding: 10px 14px; border-radius: 9px; border: 1px solid var(--border); }
.msg.bad  { border-color: rgba(239,68,68,.3);  background: rgba(239,68,68,.08);  color: var(--bad); }
.msg.good { border-color: rgba(34,197,94,.3);  background: rgba(34,197,94,.08);  color: var(--good); }
.msg.warn { border-color: rgba(245,158,11,.3); background: rgba(245,158,11,.08); color: var(--warn); }
.msg.info { border-color: rgba(59,130,246,.3); background: rgba(59,130,246,.08); color: #60a5fa; }

/* ── SQL Editor ── */
.sql-editor {
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', Consolas, monospace;
  font-size: 13px;
  min-height: 160px;
  background: rgba(0,0,0,.3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  color: #c9d1d9;
  resize: vertical;
  tab-size: 2;
}

.sql-result-wrap {
  overflow: auto;
  max-height: 400px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(0,0,0,.2);
}

.sql-result-table th { background: rgba(255,255,255,.03); }

.query-history-item {
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.02);
  cursor: pointer;
  font-family: monospace;
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: background .15s;
}

.query-history-item:hover { background: rgba(255,255,255,.05); color: var(--text); }

/* ── Modal ── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: none;
  place-items: center;
}

.modal-backdrop.open { display: grid; }

.modal {
  background: var(--panel);
  border: 1px solid var(--border2);
  border-radius: 18px;
  padding: 28px;
  width: min(560px, calc(100vw - 40px));
  max-height: 90vh;
  overflow-y: auto;
}

.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 20px;
}

.modal-title { font-size: 17px; font-weight: 600; }
.modal-close { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 18px; padding: 4px; }

/* ── Tabs ── */
.tab-bar {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.tab-btn {
  padding: 9px 16px;
  border: none;
  background: none;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  border-radius: 0;
  transition: color .15s, border-color .15s;
}

.tab-btn:hover { color: var(--text); background: none; }
.tab-btn.active { color: var(--text); border-bottom-color: var(--accent); }

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

/* ── Misc ── */
.page-section { margin-bottom: 24px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.muted { color: var(--muted); }
.truncate { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 200px; }
.mono { font-family: monospace; font-size: 12px; }
.text-bad { color: var(--bad); }
.text-good { color: var(--good); }
.text-warn { color: var(--warn); }
.flex-center { display: flex; align-items: center; gap: 8px; }
.spacer { flex: 1; }
.divider { border: none; border-top: 1px solid var(--border); margin: 20px 0; }
.spinner { display: inline-block; width: 14px; height: 14px; border: 2px solid rgba(255,255,255,.15); border-top-color: var(--accent); border-radius: 50%; animation: spin .6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--muted);
}

.empty-state .empty-icon { font-size: 32px; margin-bottom: 12px; }
.empty-state p { font-size: 14px; }

@media (max-width: 900px) {
  .admin-layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .form-grid.cols2, .form-grid.cols3, .grid2, .grid3 { grid-template-columns: 1fr; }
}