:root {
    --bg: #0d1117;
    --panel: #161b22;
    --card: #1f2530;
    --accent: #47a3ff;
    --danger: #e85c5c;
    --text: #e6edf3;
    --muted: #9aa7b7;
    --border: #2b3240;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
    background: radial-gradient(circle at 10% 20%, rgba(71,163,255,0.12), transparent 40%), var(--bg);
    color: var(--text);
}
a { color: var(--accent); text-decoration: none; }

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}
.brand { font-weight: 700; letter-spacing: 0.5px; }
.nav { display: flex; gap: 14px; align-items: center; }
.nav a { padding: 8px 10px; border-radius: 8px; background: transparent; transition: background 0.2s; }
.nav a:hover { background: rgba(255,255,255,0.06); }
.nav-user { display: flex; gap: 8px; align-items: center; color: var(--muted); }

.page { padding: 22px; max-width: 1200px; margin: 0 auto 48px; display: grid; gap: 18px; }

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.18);
}
.card.wide { grid-column: 1 / -1; }
.metric { font-size: 36px; margin: 8px 0 14px; font-weight: 700; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; }

.form { display: grid; gap: 12px; max-width: 640px; }
.form label { display: grid; gap: 6px; color: var(--muted); font-size: 14px; }
.form input, .form textarea, .form select {
    width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: #0f141c;
    color: var(--text);
}
.form button {
    background: linear-gradient(135deg, var(--accent), #3ed1d0);
    color: #0a0c10;
    border: none;
    padding: 12px;
    border-radius: 10px;
    font-weight: 700;
    cursor: pointer;
}
.form button:hover { filter: brightness(1.08); }

.pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid var(--border);
    color: var(--text);
    background: rgba(255,255,255,0.04);
}
.pill.muted { color: var(--muted); }
.pill.danger { border-color: rgba(232,92,92,0.5); color: #ffdede; }

.alert {
    padding: 10px 12px;
    border-radius: 10px;
    background: rgba(232,92,92,0.12);
    border: 1px solid rgba(232,92,92,0.4);
    color: #ffdede;
}
.alert.success {
    background: rgba(71,163,255,0.12);
    border-color: rgba(71,163,255,0.4);
    color: #cde7ff;
}

.table { display: grid; gap: 10px; }
.table-row {
    display: grid;
    gap: 12px;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
}
.table-head { font-weight: 700; background: rgba(255,255,255,0.03); }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.muted { color: var(--muted); font-size: 13px; }

.auth-card {
    max-width: 420px;
    margin: 60px auto;
    padding: 24px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
}
.auth-card h1 { margin-top: 0; }

.quick-links { display: flex; gap: 12px; flex-wrap: wrap; }

.footer {
    padding: 20px;
    text-align: center;
    color: var(--muted);
    border-top: 1px solid var(--border);
    background: var(--panel);
}

@media (max-width: 768px) {
    .table-row { grid-template-columns: 1fr; }
    .nav { flex-wrap: wrap; }
    .page { padding: 16px; }
}