:root {
  --bg: #0f1420;
  --panel: #171d2e;
  --panel-2: #1e2740;
  --text: #e6e9f0;
  --muted: #9aa4bf;
  --accent: #f6821f;
  --accent-2: #4b9fff;
  --danger: #ff5c6c;
  --border: #2a3350;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

header.nav {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 22px;
  height: 60px;
  position: sticky;
  top: 0;
  z-index: 10;
}
header.nav .brand {
  font-weight: 700;
  color: var(--accent);
  font-size: 18px;
  margin-right: 8px;
}
header.nav a { color: var(--muted); font-size: 14px; }
header.nav a:hover { color: var(--text); text-decoration: none; }
header.nav .spacer { flex: 1; }
header.nav .badge {
  background: var(--danger);
  color: #fff;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 20px;
  font-weight: 600;
}

.container { max-width: 900px; margin: 0 auto; padding: 32px 24px; }

h1, h2, h3 { line-height: 1.2; }
h1 { font-size: 30px; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 22px;
  margin-bottom: 18px;
}
.card h2 { margin-top: 0; }

.muted { color: var(--muted); font-size: 14px; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.btn.secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }
.btn:hover { opacity: 0.92; text-decoration: none; }

input, textarea, select {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text);
  font-size: 14px;
  margin-bottom: 12px;
}
label { font-size: 13px; color: var(--muted); display: block; margin-bottom: 4px; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }

.hero {
  background: linear-gradient(135deg, #1b2440, #10182b);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  margin-bottom: 24px;
}
.hero h1 { margin: 0 0 8px; }

.tag {
  display: inline-block;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
  padding: 2px 10px;
  border-radius: 20px;
  margin: 2px 4px 2px 0;
}

.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.alert.error { background: rgba(255,92,108,0.12); border: 1px solid var(--danger); color: #ffb3bb; }
.alert.ok { background: rgba(75,159,255,0.12); border: 1px solid var(--accent-2); color: #bcd8ff; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; }

video { width: 100%; border-radius: 12px; background: #000; }

footer { color: var(--muted); font-size: 13px; text-align: center; padding: 30px; border-top: 1px solid var(--border); }

code, pre {
  font-family: "SF Mono", Menlo, Consolas, monospace;
  background: var(--panel-2);
  border-radius: 6px;
}
code { padding: 1px 6px; font-size: 13px; }
pre { padding: 14px; overflow-x: auto; font-size: 13px; border: 1px solid var(--border); }