:root {
  --bg: #14161c; --panel: #1d2028; --panel2: #242833; --line: #333a48;
  --text: #e8eaf0; --muted: #9aa3b5; --accent: #e0704a; --accent2: #f0a35e;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }
.top { text-align: center; padding: 28px 16px 12px; border-bottom: 1px solid var(--line); background: linear-gradient(180deg, #1a1d26, var(--bg)); }
.top h1 { margin: 0; font-size: 23px; letter-spacing: 1px; }
.sub { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
main { max-width: 960px; margin: 0 auto; padding: 20px 16px 80px; }
.input-card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.field { margin-bottom: 12px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
textarea, select { width: 100%; background: var(--panel2); color: var(--text); border: 1px solid var(--line); border-radius: 8px; padding: 10px; font: inherit; }
textarea:focus, select:focus { outline: 2px solid var(--accent); border-color: transparent; }
.row { display: flex; gap: 16px; }
.row .grow { flex: 1; }
input[type="file"] { color: var(--muted); font-size: 13px; }
.preview { margin-top: 10px; max-height: 180px; max-width: 100%; border-radius: 8px; border: 1px solid var(--line); }
.go { margin-top: 6px; width: 100%; padding: 12px; font-size: 16px; font-weight: 600; color: #fff; background: linear-gradient(135deg, var(--accent), var(--accent2)); border: none; border-radius: 10px; cursor: pointer; }
.go:disabled { opacity: 0.5; cursor: not-allowed; }
.check { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); margin: 4px 0 10px; }
.check input { accent-color: var(--accent); }
.error { color: #ff8080; font-size: 14px; margin: 10px 0 0; }
.busy { color: var(--accent2); font-size: 14px; margin: 10px 0 0; }
.muted { color: var(--muted); font-size: 12px; }
#results h2 { margin: 34px 0 12px; font-size: 18px; border-left: 4px solid var(--accent); padding-left: 10px; }
.hidden { display: none; }
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; }
.img-card { margin: 0; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; display: flex; flex-direction: column; }
.img-card.primary { border-color: var(--accent); }
.img-card img { width: 100%; aspect-ratio: 1; object-fit: cover; display: block; }
.img-card figcaption { padding: 8px 10px; font-size: 12px; color: var(--muted); flex: 1; }
.btn { display: inline-block; margin: 6px 10px 10px; padding: 6px 12px; font-size: 13px; color: var(--text); text-decoration: none; background: var(--panel2); border: 1px solid var(--line); border-radius: 8px; cursor: pointer; }
.btn:hover { border-color: var(--accent); }
.btn.small { margin: 0 10px 10px; align-self: flex-start; }
.btn:disabled { opacity: 0.5; cursor: wait; }
.music-card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.music-card audio { width: 100%; margin-top: 10px; }
.music-info { margin: 12px 0; font-size: 14px; color: var(--muted); }
.m-title { font-size: 18px; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.tracks { display: flex; flex-direction: column; gap: 12px; }
.t-overview { color: var(--muted); font-size: 14px; margin-bottom: 4px; }
.track-card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; font-size: 14px; }
.t-head { font-weight: 600; margin-bottom: 6px; }
.chip { display: inline-block; font-size: 11px; font-weight: 400; color: var(--muted); background: var(--panel2); border: 1px solid var(--line); border-radius: 999px; padding: 1px 8px; margin-left: 6px; vertical-align: 1px; }
.t-meta { color: var(--muted); font-size: 13px; }
.t-notes { color: #6fbf7f; font-size: 13px; margin-top: 6px; word-break: break-all; }
.downloads { margin-top: 14px; }
.downloads .btn { margin-left: 0; margin-right: 10px; }