:root {
  --bg: #0f1117; --card: #181b24; --border: #2a2e3c;
  --text: #eef0f6; --muted: #9aa1b4;
  --accent: #7c5cff; --accent-2: #00d4a6;
  --danger: #ff5c7a; --radius: 12px;
}
* { box-sizing: border-box; margin: 0; }
body { font-family: 'Segoe UI', system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; display: flex; flex-direction: column; }

.topbar { display: flex; justify-content: space-between; align-items: center; padding: 14px 28px; border-bottom: 1px solid var(--border); background: var(--card); }
.brand { font-weight: 800; font-size: 1.2rem; color: var(--text); text-decoration: none; letter-spacing: .5px; }
.brand::before { content: "▶ "; color: var(--accent); }
.topbar nav { display: flex; gap: 16px; align-items: center; }
.topbar nav a { color: var(--muted); text-decoration: none; }
.topbar nav a:hover { color: var(--text); }

.container { flex: 1; width: 100%; max-width: 1000px; margin: 0 auto; padding: 32px 20px; }
.footer { text-align: center; color: var(--muted); font-size: .85rem; padding: 20px; border-top: 1px solid var(--border); }

.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin-bottom: 20px; }
.card h1, .card h2 { margin-bottom: 12px; }
.muted { color: var(--muted); font-size: .9rem; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 700px) { .grid-2 { grid-template-columns: 1fr; } }

label { display: block; margin: 14px 0 6px; font-size: .9rem; color: var(--muted); }
input, textarea, select { width: 100%; padding: 11px 12px; border-radius: 8px; border: 1px solid var(--border); background: #10131b; color: var(--text); font-size: 1rem; }
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent); }

.btn { display: inline-block; background: var(--accent); color: #fff; border: none; padding: 12px 22px; border-radius: 8px; font-size: 1rem; font-weight: 600; cursor: pointer; text-decoration: none; margin-top: 16px; }
.btn:hover { filter: brightness(1.12); }
.btn-sm { padding: 7px 14px; font-size: .85rem; margin-top: 0; }
.btn-alt { background: var(--accent-2); color: #04211a; }

.flash { background: rgba(0,212,166,.12); border: 1px solid var(--accent-2); color: var(--accent-2); padding: 12px 16px; border-radius: 8px; margin-bottom: 20px; }
.error { background: rgba(255,92,122,.12); border: 1px solid var(--danger); color: var(--danger); padding: 12px 16px; border-radius: 8px; margin-bottom: 20px; }

.hero { text-align: center; padding: 60px 20px; }
.hero h1 { font-size: 2.4rem; margin-bottom: 14px; }
.hero p { color: var(--muted); max-width: 560px; margin: 0 auto 10px; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: .75rem; font-weight: 600; background: var(--border); color: var(--muted); }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-size: .8rem; text-transform: uppercase; }