:root {
  --bg: #0b0d10;
  --panel: #15181d;
  --panel-2: #1b2026;
  --text: #e8ebef;
  --muted: #8a94a0;
  --accent: #7cf1a6;
  --danger: #ff6b6b;
  --border: #252a31;
  --radius: 10px;
  --maxw: 960px;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 20px; }
.site-header { border-bottom: 1px solid var(--border); background: var(--panel); position: sticky; top: 0; z-index: 10; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; gap: 12px; flex-wrap: wrap; }
.brand { font-weight: 700; letter-spacing: 0.04em; color: var(--text); text-decoration: none; }
nav { display: flex; gap: 16px; flex-wrap: wrap; font-size: 13px; }
nav .nav-group { display: inline-flex; gap: 8px; padding: 4px 10px; border: 1px solid var(--border); border-radius: 999px; }
nav .nav-group.active { border-color: var(--accent); background: rgba(124, 241, 166, 0.08); }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover { color: var(--text); }
.channel-badge { display: inline-block; padding: 4px 10px; border-radius: 999px; background: var(--accent); color: #0b0d10; font-size: 12px; font-weight: 700; letter-spacing: 0.04em; }
.site-footer { color: var(--muted); font-size: 13px; padding-top: 40px; padding-bottom: 40px; }
.hero h1 { font-size: 28px; margin: 24px 0 8px; }
.muted { color: var(--muted); }
.cards { display: grid; gap: 16px; grid-template-columns: 1fr; margin: 20px 0; }
@media (min-width: 720px) { .cards { grid-template-columns: 1fr 1fr; } }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.card h2 { margin: 0 0 10px; font-size: 18px; }
.card.emphasize { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
dl.meta { display: grid; grid-template-columns: 120px 1fr; gap: 4px 10px; margin: 0 0 14px; font-size: 14px; }
dl.meta dt { color: var(--muted); }
dl.meta dd { margin: 0; word-break: break-all; }
.btn { display: inline-block; padding: 10px 16px; border-radius: 8px; border: 1px solid var(--border); background: var(--panel-2); color: var(--text); text-decoration: none; cursor: pointer; font: inherit; }
.btn.primary { background: var(--accent); color: #0b0d10; border-color: transparent; font-weight: 600; }
.btn.danger { background: transparent; color: var(--danger); border-color: var(--danger); }
.btn:hover { filter: brightness(1.05); }
.hint { color: var(--muted); font-size: 13px; margin-top: 10px; }
.form { display: grid; gap: 10px; }
.form label { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
.form input[type="text"], .form input[type="file"], .form input:not([type]), .form textarea {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 10px; font: inherit;
}
.form .msg { font-size: 13px; min-height: 1.3em; }
.form .msg.ok { color: var(--accent); }
.form .msg.err { color: var(--danger); }
.releases { width: 100%; border-collapse: collapse; font-size: 14px; }
.releases th, .releases td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.releases th { color: var(--muted); font-weight: 600; }
code { background: var(--panel-2); padding: 1px 6px; border-radius: 4px; }