:root {
  --bg: #0b1220;
  --panel: #111a2b;
  --panel-soft: #162238;
  --text: #e6edf7;
  --muted: #9fb0cb;
  --primary: #2d9bf0;
  --primary-hover: #1f85d6;
  --danger: #e05672;
  --danger-hover: #c74460;
  --border: #24344f;
  --success: #24b47e;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif; background: radial-gradient(circle at top, #12213a 0%, var(--bg) 55%); color: var(--text); }
a { color: inherit; text-decoration: none; }
.page { max-width: 1400px; margin: 0 auto; min-height: 100vh; display: flex; }
.sidebar { width: 280px; background: rgba(10, 18, 31, .92); border-right: 1px solid var(--border); padding: 20px; display: flex; flex-direction: column; gap: 18px; }
.brand-eyebrow { color: #78b7ff; font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; margin: 0; }
.brand-title { margin: 4px 0 0; font-size: 1.6rem; }
.nav { display: flex; flex-direction: column; gap: 10px; }
.nav-link { background: rgba(255,255,255,.03); border: 1px solid transparent; border-radius: 10px; padding: 10px 12px; font-weight: 600; }
.nav-link:hover { border-color: #61a8ff; background: rgba(255,255,255,.08); }
.content { flex: 1; padding: 28px; }
.topbar, .alert, .card, .table-wrap, .form-card { background: rgba(13, 24, 40, .9); border: 1px solid var(--border); border-radius: 14px; }
.topbar, .alert { padding: 12px 14px; margin-bottom: 14px; }
.alert-success { border-color: #1f7f5a; color: #9de5c8; }
.alert-error { border-color: #8e3f52; color: #f4b5c2; }
.page-header { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 18px; }
.page-header h2 { margin: 0; font-size: 1.8rem; }
.page-header p { margin: 0 0 4px; color: #7bb9ff; text-transform: uppercase; letter-spacing: .1em; font-size: .72rem; }
.btn { display: inline-block; border: 0; border-radius: 10px; padding: 11px 16px; font-weight: 700; cursor: pointer; touch-action: manipulation; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary { background: rgba(139, 195, 255, .16); color: #c9e4ff; border: 1px solid rgba(139, 195, 255, .35); }
.btn-secondary:hover { background: rgba(139, 195, 255, .24); }
.btn-ghost { background: rgba(255,255,255,.04); color: #d5e7ff; border: 1px solid rgba(255,255,255,.12); }
.btn-ghost:hover { background: rgba(255,255,255,.09); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--danger-hover); }
.btn-sm { padding: 7px 11px; border-radius: 8px; font-size: .82rem; font-weight: 700; }
.form-card { padding: 20px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
label { font-size: .9rem; font-weight: 600; color: #d6e1f2; }
input, select { width: 100%; border-radius: 10px; border: 1px solid #304561; background: #0d1728; color: var(--text); padding: 10px 12px; }
input:focus, select:focus { outline: 2px solid #2d9bf055; border-color: #2d9bf0; }
.checkbox-row { margin-top: 12px; display: flex; align-items: center; gap: 8px; }
.checkbox-row input { width: auto; }
.form-actions { margin-top: 16px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 700px; }
th, td { padding: 12px; border-bottom: 1px solid var(--border); text-align: left; }
th { color: var(--muted); font-weight: 600; background: rgba(255,255,255,.02); }
.badge { padding: 4px 10px; border-radius: 999px; font-size: .75rem; font-weight: 700; }
.badge-danger { background: #5b2430; color: #ffc5d2; }
.badge-success { background: #1f4e3d; color: #b7f3dc; }
.actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.actions form { margin: 0; }
.link-primary { color: #8bc3ff; font-weight: 700; }
.link-danger { color: #ffa6b8; font-weight: 700; background: none; border: 0; padding: 0; cursor: pointer; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.card { padding: 18px; }
.card h3 { margin: 0; font-size: .95rem; color: var(--muted); }
.card p { margin: 8px 0 0; font-size: 2rem; font-weight: 800; }
.muted { color: var(--muted); }
.login-wrap { max-width: 480px; margin: 40px auto; }
.login-card { padding: 24px; }
.spacer-bottom { margin-bottom: 16px; }
.pagination { margin-top: 16px; }
@media (max-width: 900px) { .page { flex-direction: column; } .sidebar { width: 100%; border-right: 0; border-bottom: 1px solid var(--border); } .form-grid, .stats { grid-template-columns: 1fr; } }
textarea { width: 100%; border-radius: 10px; border: 1px solid #304561; background: #0d1728; color: var(--text); padding: 10px 12px; }
textarea:focus { outline: 2px solid #2d9bf055; border-color: #2d9bf0; }
.form-field-full { grid-column: 1 / -1; }
.inline-row { display: flex; align-items: end; gap: 10px; }
.modal { position: fixed; inset: 0; background: rgba(2, 7, 15, 0.72); display: flex; justify-content: center; align-items: center; z-index: 999; }
.modal-dialog { border: 0; padding: 0; background: transparent; max-width: none; width: auto; }
.modal-dialog::backdrop { background: rgba(2, 7, 15, 0.72); }
.modal-content { width: min(420px, 92vw); background: rgba(13, 24, 40, .98); border: 1px solid var(--border); border-radius: 14px; padding: 16px; display: flex; flex-direction: column; gap: 10px; }