:root {
  --bg: #0f1117;
  --panel: #1a1d27;
  --panel-2: #232734;
  --text: #e6e8ee;
  --muted: #8b90a0;
  --accent: #6c8cff;
  --accent-2: #8a6cff;
  --border: #2c3142;
  --ok: #4ade80;
  --err: #f87171;
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.5;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.site-header {
  background: var(--panel); border-bottom: 1px solid var(--border);
  padding: 14px 0; position: sticky; top: 0; z-index: 10;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; }
.logo { font-size: 20px; font-weight: 700; color: var(--text); }
.logo:hover { text-decoration: none; }
.admin-tag { color: var(--muted); font-size: 13px; }
main.wrap { padding-top: 28px; padding-bottom: 60px; }
h1 { font-size: 26px; margin: 0 0 20px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 22px; }
.form-page { max-width: 640px; }
.form-card { display: flex; flex-direction: column; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field > span { font-size: 14px; color: var(--muted); }
.field input, .field textarea {
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  border-radius: 8px; padding: 10px 12px; font-size: 15px; font-family: inherit;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); }
.field small { color: var(--muted); font-size: 12px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.btn {
  border: none; border-radius: 8px; padding: 11px 18px; font-size: 15px; cursor: pointer;
  font-family: inherit; font-weight: 600;
}
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; }
.alert { padding: 11px 14px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.alert-ok { background: rgba(74,222,128,.12); color: var(--ok); border: 1px solid rgba(74,222,128,.3); }
.alert-err { background: rgba(248,113,113,.12); color: var(--err); border: 1px solid rgba(248,113,113,.3); }
.site-footer { border-top: 1px solid var(--border); padding: 20px 0; color: var(--muted); font-size: 13px; margin-top: 40px; }
.subtitle { color: var(--muted); margin: -8px 0 22px; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.chip { padding: 6px 14px; border-radius: 999px; background: var(--panel); border: 1px solid var(--border); color: var(--muted); font-size: 13px; }
.chip:hover { text-decoration: none; color: var(--text); }
.chip-active { background: var(--accent); color: #fff; border-color: var(--accent); }
.game-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 18px; }
.game-card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; transition: transform .15s, border-color .15s; display: block; }
.game-card:hover { text-decoration: none; transform: translateY(-3px); border-color: var(--accent); }
.cover { aspect-ratio: 16/10; background: var(--panel-2); display: flex; align-items: center; justify-content: center; }
.cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cover-ph { font-size: 40px; }
.game-info { padding: 12px 14px; }
.game-info h3 { margin: 0 0 6px; font-size: 16px; color: var(--text); }
.card-meta { display: flex; align-items: center; gap: 8px; }
.tag-tool { display: inline-block; background: rgba(108,140,255,.15); color: var(--accent); font-size: 12px; padding: 2px 8px; border-radius: 6px; }
.plays { color: var(--muted); font-size: 12px; }
.empty { color: var(--muted); grid-column: 1/-1; }
.game-detail { max-width: 920px; }
.back { color: var(--muted); font-size: 14px; display: inline-block; margin-bottom: 8px; }
.game-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 8px 0 12px; }
.tag { background: var(--panel-2); color: var(--muted); font-size: 12px; padding: 2px 8px; border-radius: 6px; }
.desc { color: var(--text); opacity: .9; margin: 0 0 12px; }
.ai-prompt { margin: 0 0 16px; background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px; }
.ai-prompt summary { cursor: pointer; color: var(--muted); font-size: 14px; }
.ai-prompt pre { margin: 10px 0 0; white-space: pre-wrap; font-size: 13px; color: var(--text); }
.play-frame { position: relative; margin-top: 16px; border-radius: 12px; overflow: hidden; border: 1px solid var(--border); background: #000; }
.game-iframe { width: 100%; height: 560px; border: 0; display: block; }
.btn-zoom { position: absolute; top: 10px; right: 10px; width: 38px; height: 38px; border-radius: 8px; border: 0; background: rgba(0,0,0,.55); color: #fff; font-size: 20px; line-height: 38px; text-align: center; cursor: pointer; z-index: 5; transition: background .15s; }
.btn-zoom:hover { background: rgba(0,0,0,.8); }
.share-bar { display: flex; align-items: center; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.share-bar > span { color: var(--muted); font-size: 14px; }
.btn-share { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); padding: 8px 14px; font-size: 14px; }
.btn-share:hover { border-color: var(--accent); }
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.6); display: flex; align-items: center; justify-content: center; z-index: 50; }
.modal.hidden { display: none; }
.modal-card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 24px; text-align: center; max-width: 320px; }
.modal-card h3 { margin: 0 0 16px; }
.modal-card #qrcode { display: flex; justify-content: center; margin-bottom: 12px; }
.modal-tip { color: var(--muted); font-size: 13px; margin: 0 0 16px; }