:root {
    --bg: #0f172a;
    --card: #111827;
    --accent: #38bdf8;
    --accent-2: #a855f7;
    --text: #e5e7eb;
    --muted: #9ca3af;
    --danger: #ef4444;
    --success: #22c55e;
    --border: #1f2937;
    --shadow: 0 10px 30px rgba(0,0,0,0.35);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    background: radial-gradient(circle at 20% 20%, rgba(56,189,248,0.15), transparent 30%), radial-gradient(circle at 80% 0%, rgba(168,85,247,0.2), transparent 35%), var(--bg);
    color: var(--text);
    min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
header {
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    backdrop-filter: blur(6px);
    position: sticky;
    top: 0;
    z-index: 10;
}
nav a { margin-right: 12px; font-weight: 600; }
main { padding: 24px; }

.layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 18px;
}
.sidebar {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    box-shadow: var(--shadow);
}
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    box-shadow: var(--shadow);
}
.grid {
    display: grid;
    gap: 16px;
}
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.muted { color: var(--muted); font-size: 14px; }
.badge { padding: 4px 10px; border-radius: 999px; background: rgba(56,189,248,0.15); color: var(--accent); font-weight: 600; }
.badge.danger { background: rgba(239,68,68,0.15); color: var(--danger); }
.badge.success { background: rgba(34,197,94,0.15); color: var(--success); }

table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    padding: 10px;
    border-bottom: 1px solid var(--border);
}
th { text-align: left; color: var(--muted); text-transform: uppercase; font-size: 12px; letter-spacing: 0.06em; }

label { display: block; margin: 8px 0 4px; font-weight: 600; }
input, select, textarea {
    width: 100%;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: #0b1220;
    color: var(--text);
}
textarea { min-height: 100px; }

.btn {
    display: inline-block;
    padding: 10px 14px;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    font-weight: 700;
    color: #0b1220;
    background: var(--accent);
}
.btn.secondary { background: var(--accent-2); color: #0b1220; }
.btn.danger { background: var(--danger); color: #fff; }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.w-full { width: 100%; }
.flex { display: flex; gap: 12px; align-items: center; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.error { color: var(--danger); margin-top: 8px; }
.success { color: var(--success); margin-top: 8px; }

.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}
.auth-card { width: 360px; }
.pill-list { display: flex; flex-wrap: wrap; gap: 8px; }

@media (max-width: 900px) {
    .layout { grid-template-columns: 1fr; }
    header { flex-direction: column; align-items: flex-start; gap: 8px; }
}