:root {
    --bg: #0b1220;
    --panel: #121b2d;
    --panel-alt: #18243b;
    --text: #eef3ff;
    --muted: #a9b7d3;
    --accent: #f0a94a;
    --accent-2: #7bd0ff;
    --ok: #31c48d;
    --warn: #f5b84c;
    --danger: #f66d6d;
    --line: rgba(255,255,255,0.08);
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Inter, Arial, sans-serif;
    background: linear-gradient(180deg, #08101d, #10192b 35%, #0e1727 100%);
    color: var(--text);
}
.page-shell { max-width: 1240px; margin: 0 auto; padding: 24px; }
.topbar, .panel, .metric, .card, .admin-menu, .form-card, .table-card, .notice, .mini-stat {
    background: rgba(18,27,45,0.94);
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: 0 18px 42px rgba(0,0,0,0.22);
}
.topbar {
    display: flex; justify-content: space-between; gap: 24px; align-items: flex-start;
    padding: 24px; position: sticky; top: 0; backdrop-filter: blur(8px); z-index: 10;
}
.eyebrow { color: var(--accent); font-size: 12px; text-transform: uppercase; letter-spacing: .16em; }
h1 { margin: 6px 0 8px; font-size: 34px; }
.subtitle { margin: 0; color: var(--muted); }
.nav { display: flex; gap: 10px; flex-wrap: wrap; }
.nav a, .button {
    color: var(--text); text-decoration: none; padding: 10px 14px; border-radius: 999px;
    background: rgba(255,255,255,0.03); border: 1px solid var(--line); display: inline-block; cursor: pointer;
}
.nav a:hover, .button:hover { border-color: rgba(240,169,74,0.5); }
.button.danger { border-color: rgba(246,109,109,0.4); color: #ffd3d3; }
.hero { display: grid; grid-template-columns: 1.5fr 1fr; gap: 18px; margin-top: 22px; }
.panel { padding: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; margin: 18px 0; }
.metric { padding: 18px; }
.metric .label { color: var(--muted); font-size: 13px; }
.metric .value { font-size: 30px; margin-top: 8px; font-weight: 700; }
.tags, .chips, .button-row { display: flex; gap: 8px; flex-wrap: wrap; }
.tag, .chip {
    background: rgba(123,208,255,0.08); border: 1px solid rgba(123,208,255,0.18); color: #d8f2ff;
    padding: 8px 12px; border-radius: 999px; font-size: 13px;
}
.columns-2 { display: grid; grid-template-columns: 1.1fr 1fr; gap: 18px; }
.card, .table-card, .form-card, .admin-menu, .notice { padding: 20px; }
.section-title { margin: 0 0 14px; font-size: 22px; }
.section-subtitle { margin: 0 0 14px; font-size: 18px; }
.section-head { display:flex; justify-content:space-between; gap:18px; align-items:flex-start; }
.stack-24 { display:grid; gap:24px; }
.admin-block {
    padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,0.02);
}
.admin-block-danger { border-color: rgba(246,109,109,0.25); }
.mini-head { margin: 18px 0 10px; color: var(--muted); font-size: 14px; text-transform: uppercase; letter-spacing: .08em; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--line); }
.table th { color: var(--muted); font-size: 13px; }
details.participant { margin-bottom: 12px; }
summary { cursor: pointer; list-style: none; display:flex; justify-content:space-between; gap:16px; align-items:center; }
summary::-webkit-details-marker { display:none; }
.muted { color: var(--muted); }
.badge { padding: 6px 10px; border-radius: 999px; font-size: 12px; border:1px solid var(--line); }
.badge.warn { background: rgba(245,184,76,0.12); color: #ffe6a8; }
.badge.ok { background: rgba(49,196,141,0.12); color: #b8ffe1; }
.badge.danger { background: rgba(246,109,109,0.12); color: #ffd0d0; }
.admin-layout { display:grid; grid-template-columns: 280px 1fr; gap: 18px; margin-top: 22px; }
.admin-menu a { display:block; color:var(--text); text-decoration:none; padding:10px 12px; border-radius:12px; margin-bottom:8px; }
.admin-menu a.active, .admin-menu a:hover { background: rgba(240,169,74,0.12); }
.form-grid { display:grid; grid-template-columns: repeat(2,1fr); gap: 14px; }
label { display:block; font-size: 14px; margin-bottom: 8px; }
input[type=text], input[type=password], textarea {
    width: 100%; background: #0d1526; color: var(--text); border:1px solid var(--line);
    border-radius: 12px; padding: 12px 14px; font: inherit;
}
textarea { min-height: 120px; resize: vertical; }
.toggle-row { display:grid; grid-template-columns: repeat(2,1fr); gap: 12px; }
.toggle-row.compact { grid-template-columns: repeat(4,1fr); }
.toggle {
    display:flex; justify-content:space-between; gap:12px; align-items:center;
    background: rgba(255,255,255,0.03); border:1px solid var(--line); padding:12px 14px; border-radius: 14px;
}
.admin-stat-grid { display:grid; grid-template-columns: repeat(4,1fr); gap:14px; }
.mini-stat { padding: 16px 18px; display:grid; gap:8px; }
.mini-stat strong { font-size: 22px; }
.footer { margin: 24px 0 8px; color: var(--muted); display:flex; justify-content:space-between; gap: 12px; }
.notice.success { border-color: rgba(49,196,141,0.35); }
.notice.error { border-color: rgba(246,109,109,0.35); }
@media (max-width: 960px) {
    .hero, .columns-2, .admin-layout, .form-grid, .grid-4, .toggle-row, .toggle-row.compact, .admin-stat-grid { grid-template-columns: 1fr; }
    .topbar, .section-head { position: static; flex-direction: column; }
}

select { width: 100%; background: #0d1526; color: var(--text); border:1px solid var(--line); border-radius: 12px; padding: 12px 14px; font: inherit; }
.value-sm { font-size: 18px !important; line-height: 1.35; }
.profile-grid { display:grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.profile-card { background: rgba(255,255,255,0.03); border:1px solid var(--line); border-radius: 18px; padding: 18px; }
code { background: rgba(255,255,255,0.06); padding: 2px 6px; border-radius: 8px; }
@media (max-width: 960px) { .profile-grid { grid-template-columns: 1fr; } }