:root {
  --bg: #111214;
  --panel: #17191d;
  --panel-2: #1f2228;
  --line: #2b3038;
  --text: #eceff4;
  --muted: #9198a5;
  --accent: #e9ecef;
  --danger: #d25757;
  --success: #42c76f;
  --sidebar: #0d0f12;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, system-ui, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--text); text-decoration: none; }
code { background: #0d0f12; border: 1px solid var(--line); border-radius: 8px; padding: 0.2rem 0.45rem; }
.admin-shell { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; }
.sidebar { background: var(--sidebar); border-right: 1px solid var(--line); padding: 24px 18px; display: flex; flex-direction: column; gap: 24px; }
.brand { display: flex; gap: 12px; align-items: center; }
.brand-mark { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: var(--panel-2); font-weight: 700; }
.brand-title { font-size: 1rem; font-weight: 600; }
.eyebrow { font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.nav { display: flex; flex-direction: column; gap: 6px; }
.nav-link { padding: 10px 12px; border-radius: 10px; color: var(--muted); }
.nav-link:hover { background: var(--panel); color: var(--text); }
.nav-section { margin-top: 14px; margin-bottom: 6px; font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.content { padding: 28px; display: flex; flex-direction: column; gap: 22px; }
.page-header { display: flex; justify-content: space-between; align-items: start; gap: 16px; }
.page-header h1 { margin: 4px 0 0; font-size: 2rem; font-weight: 650; }
.muted { color: var(--muted); }
.panel, .stat-card { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 18px; }
.panel-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.panel-grid.thirds { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.stats-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; }
.stat-card span { color: var(--muted); display: block; margin-bottom: 6px; }
.stat-card strong { font-size: 2rem; }
.panel-title { font-size: 1rem; font-weight: 600; margin-bottom: 14px; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 12px 10px; border-bottom: 1px solid var(--line); vertical-align: top; text-align: left; }
.table th { color: var(--muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; }
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; }
.toolbar-grid { display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); }
.field { display: flex; flex-direction: column; gap: 8px; color: var(--muted); font-size: 0.88rem; }
.field small { color: var(--muted); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
input, select, textarea, button { font: inherit; }
input, select, textarea { width: 100%; background: #0f1114; border: 1px solid var(--line); border-radius: 12px; color: var(--text); padding: 12px 14px; }
textarea { min-height: 120px; resize: vertical; }
input[type="checkbox"] { width: auto; }
.checkbox-field { justify-content: end; }
.primary-button, .ghost-button, .danger-button { border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; }
.primary-button { background: var(--accent); color: #111; font-weight: 600; }
.ghost-button { background: transparent; color: var(--text); }
.danger-button { background: transparent; color: var(--danger); border-color: rgba(210,87,87,0.4); }
.actions, .inline-actions, .inline-form, .table-toolbar { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.table-toolbar { justify-content: space-between; margin-bottom: 12px; }
.copy-field { display: flex; gap: 8px; }
.copy-field input { flex: 1; }
.logout-form { margin-top: auto; display: flex; flex-direction: column; gap: 8px; }
.user-line { color: var(--muted); font-size: 0.9rem; }
.stack { display: flex; flex-direction: column; gap: 18px; }
.login-page { display: grid; place-items: center; min-height: 100vh; background: radial-gradient(circle at top, #1b1f27, #0f1114 55%); }
.login-card { width: min(460px, calc(100vw - 32px)); background: var(--panel); border: 1px solid var(--line); border-radius: 22px; padding: 30px; }
.alert { padding: 12px 14px; border-radius: 12px; background: rgba(210,87,87,0.12); border: 1px solid rgba(210,87,87,0.24); color: #f1bcbc; margin-bottom: 12px; }
.kv-grid { display: grid; grid-template-columns: 160px 1fr; gap: 8px 14px; margin: 0; }
.kv-grid dt { color: var(--muted); }
.kv-grid dd { margin: 0; }
.subpanel { background: var(--panel-2); border: 1px solid var(--line); border-radius: 14px; padding: 14px; }
.list-row { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.list-row:last-child { border-bottom: 0; }

@media (max-width: 1100px) {
  .admin-shell { grid-template-columns: 1fr; }
  .sidebar { border-right: 0; border-bottom: 1px solid var(--line); }
  .stats-grid, .panel-grid, .panel-grid.thirds, .form-grid, .toolbar-grid { grid-template-columns: 1fr; }
}