:root {
  --bg: #f7f6f3; --panel: #ffffff; --line: #e7e3db;
  --text: #2b2722; --dim: #8c857a; --accent: #c2671b; --link: #b25c12;
  --shadow: 0 1px 3px rgba(40,32,20,.06), 0 1px 2px rgba(40,32,20,.04);
  --shadow-hover: 0 6px 20px rgba(40,32,20,.12);
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.5 -apple-system, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}
a { color: var(--link); text-decoration: none; }
a:hover { color: var(--accent); }

header {
  display: flex; align-items: center; gap: 20px; padding: 12px 20px;
  background: rgba(255,255,255,.85); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10;
}
.brand { font-size: 18px; font-weight: 700; color: var(--text); white-space: nowrap; }
.search { display: flex; gap: 8px; flex: 1; max-width: 560px; }
.search input[type=search] {
  flex: 1; padding: 8px 12px; border-radius: 8px; border: 1px solid var(--line);
  background: #fff; color: var(--text); outline: none;
}
.search input[type=search]:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(194,103,27,.12); }
.search button {
  padding: 8px 16px; border: 0; border-radius: 8px; background: var(--accent);
  color: #fff; font-weight: 600; cursor: pointer;
}
.search button:hover { background: var(--link); }

.sync-btn {
  padding: 8px 14px; border: 1px solid var(--line); border-radius: 8px; background: #fff;
  color: var(--text); font-weight: 600; cursor: pointer; white-space: nowrap;
}
.sync-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.sync-btn:disabled { opacity: .6; cursor: progress; }
.export { position: relative; }
.export > summary { list-style: none; display: inline-block; }
.export > summary::-webkit-details-marker { display: none; }
.export-menu {
  position: absolute; right: 0; top: calc(100% + 6px); z-index: 20;
  background: #fff; border: 1px solid var(--line); border-radius: 10px;
  box-shadow: var(--shadow-hover); padding: 6px; min-width: 150px;
}
.export-head { font-size: 11px; color: var(--dim); text-transform: uppercase; letter-spacing: .05em; padding: 8px 10px 4px; }
.export-menu a { display: block; padding: 7px 10px; border-radius: 6px; color: var(--text); font-size: 13px; }
.export-menu a:hover { background: #fbeede; color: var(--accent); }

.sync-status { font-size: 12px; color: var(--dim); white-space: nowrap; }
.sync-status.busy { color: var(--accent); }
.sync-status.done { color: #2e8b57; }
.sync-status.error { color: #c0392b; }
.readonly-badge {
  font-size: 12px; font-weight: 600; color: var(--dim); white-space: nowrap;
  padding: 4px 10px; border: 1px solid var(--line); border-radius: 20px; background: #fff;
}
.bg-price { font-size: 12px; color: var(--dim); white-space: nowrap; }
.bg-price.busy { color: var(--accent); }
.bg-price.done { color: #2e8b57; }
.bg-price.error { color: #c0392b; }

/* “随便来一发” random button */
.random-btn {
  display: inline-flex; align-items: center; gap: 7px; white-space: nowrap;
  padding: 8px 15px; border-radius: 20px; text-decoration: none;
  color: #fff; font-size: 13px; font-weight: 700;
  background: linear-gradient(120deg, #e0712f, #c2671b);
  box-shadow: 0 2px 10px rgba(194, 103, 27, .28); transition: transform .12s, box-shadow .2s;
}
.random-btn:hover { color: #fff; box-shadow: 0 5px 18px rgba(194, 103, 27, .4); transform: translateY(-1px); }
.random-btn:active { transform: scale(.95); }
.random-btn .dice {
  font-size: 17px; display: inline-block; transform-origin: 50% 60%;
  animation: dice-idle 3s ease-in-out infinite;
}
.random-btn:hover .dice { animation: dice-spin .55s cubic-bezier(.3, .1, .3, 1); }
@keyframes dice-idle {
  0%, 60%, 100% { transform: rotate(0) translateY(0); }
  68% { transform: rotate(-22deg) translateY(-2px); }
  78% { transform: rotate(18deg) translateY(-3px); }
  88% { transform: rotate(-8deg) translateY(0); }
}
@keyframes dice-spin { from { transform: rotate(0) scale(1.1); } to { transform: rotate(360deg) scale(1); } }
@media (prefers-reduced-motion: reduce) { .random-btn .dice { animation: none; } }

.layout { display: grid; grid-template-columns: 240px 1fr; gap: 20px; padding: 20px; max-width: 1500px; margin: 0 auto; }
.sidebar { font-size: 13px; }
.sidebar h3 { margin: 18px 0 6px; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--dim); }
.sidebar ul { list-style: none; margin: 0; padding: 0; }
.sidebar li { display: flex; justify-content: space-between; padding: 2px 0; }
.sidebar li span { color: var(--dim); font-size: 11px; }
.sidebar ul.wrap { display: flex; flex-wrap: wrap; gap: 4px; }
.sidebar ul.wrap li { display: inline; }
.chip {
  display: inline-block; margin: 0 4px 6px 0; padding: 3px 9px; border-radius: 20px;
  background: #fbeede; color: var(--link); font-size: 12px; border: 1px solid #f1ddc3;
}
.chip:hover { background: #f7e2c8; }
.chip.clear { background: #fdeaea; color: #c0392b; border-color: #f6d4d4; }

.toolbar { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }
.count { color: var(--dim); }
.sortbox { font-size: 12px; color: var(--dim); }
.sortbox a { margin-left: 8px; color: var(--dim); }
.sortbox a.on { color: var(--accent); font-weight: 700; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 20px; }
.card { display: flex; flex-direction: column; background: var(--panel); border-radius: 10px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); transition: .15s; }
.card:hover { border-color: #ecd9bd; transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.cover { aspect-ratio: 1; background: #f0ede7; position: relative; }
.qty-badge {
  position: absolute; top: 8px; right: 8px; z-index: 2;
  background: var(--accent); color: #fff; font-size: 12px; font-weight: 700;
  padding: 2px 8px; border-radius: 20px; box-shadow: 0 1px 4px rgba(40,32,20,.35);
}
.cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.nocover { width: 100%; height: 100%; display: grid; place-items: center; color: var(--dim); font-size: 12px; }
.meta { padding: 8px 10px 10px; }
.meta .t { font-weight: 600; font-size: 13px; line-height: 1.3; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.meta .a { color: var(--link); font-size: 12px; margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.meta .y { color: var(--dim); font-size: 11px; margin-top: 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.pager { display: flex; justify-content: center; align-items: center; gap: 18px; margin: 28px 0; color: var(--dim); }
.empty { color: var(--dim); padding: 40px; text-align: center; }

/* detail */
.detail { max-width: 960px; margin: 0 auto; padding: 18px 20px 44px; }
.detail-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin: 0 0 14px; }
.back {
  display: inline-block; padding: 5px 13px; font-size: 13px;
  color: var(--dim); border: 1px solid var(--line); border-radius: 20px; background: #fff;
}
.back:hover { border-color: var(--accent); color: var(--accent); }
.share-btn {
  padding: 6px 15px; font-size: 13px; font-weight: 600; cursor: pointer;
  color: var(--text); border: 1px solid var(--line); border-radius: 20px; background: #fff;
}
.share-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.share-btn:disabled { opacity: .6; cursor: progress; }

/* immersive hero — blurred cover backdrop + crisp cover + vinyl peek */
.hero {
  position: relative; border-radius: 20px; overflow: hidden; margin: 0 0 24px;
  background: #1a1512; box-shadow: 0 16px 46px rgba(40, 32, 20, .22);
}
.hero-bg {
  position: absolute; inset: -12%; background-size: cover; background-position: center;
  filter: blur(36px) saturate(1.5) brightness(.52); transform: scale(1.1);
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(13, 10, 8, .88) 0%, rgba(13, 10, 8, .55) 52%, rgba(13, 10, 8, .32) 100%);
}
.hero-nocover { background: linear-gradient(120deg, #2b231c, #17120f); }
.hero-inner { position: relative; z-index: 1; display: flex; gap: 30px; align-items: center; padding: 30px 34px; }
.hero-cover { position: relative; flex: 0 0 auto; width: 220px; }
.hero-cover img {
  position: relative; z-index: 1; width: 100%; display: block; border-radius: 10px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, .55); border: 1px solid rgba(255, 255, 255, .09);
}
.hero-cover .nocover.big {
  position: relative; z-index: 1; width: 100%; aspect-ratio: 1; border-radius: 10px;
  background: #241d18; border: 1px solid rgba(255, 255, 255, .09);
  display: grid; place-items: center; color: #a89a8c; font-size: 13px;
}
.hero-cover .vinyl {
  position: absolute; top: 8%; left: 0; width: 100%; height: 84%; border-radius: 50%; z-index: 0;
  background:
    radial-gradient(circle at 50% 50%, #17120f 0 3.8%, transparent 4.3%),
    radial-gradient(circle at 50% 50%, #c2671b 4.3% 20%, transparent 20.5%),
    repeating-radial-gradient(circle at 50% 50%, #181310 0 2px, #241d17 2px 3.6px),
    radial-gradient(circle at 36% 30%, rgba(255, 255, 255, .1), transparent 46%),
    #14100e;
  box-shadow: 0 14px 34px rgba(0, 0, 0, .5);
  transform: translateX(33%); transition: transform .45s cubic-bezier(.2, .7, .2, 1);
}
.hero-cover:hover .vinyl { transform: translateX(48%); }
.hero-text { position: relative; z-index: 2; color: #fff; min-width: 0; }
.hero-title {
  margin: 0 0 7px; font-family: Georgia, "Songti SC", "Noto Serif SC", serif;
  font-size: 33px; line-height: 1.22; font-weight: 600; letter-spacing: .2px;
  text-shadow: 0 1px 14px rgba(0, 0, 0, .45);
}
.hero-artist { font-size: 18px; color: #f0d7b4; margin: 0 0 16px; text-shadow: 0 1px 8px rgba(0, 0, 0, .4); }
.hero-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip-hero {
  font-size: 12.5px; color: #fff; background: rgba(255, 255, 255, .15);
  padding: 4px 12px; border-radius: 20px; border: 1px solid rgba(255, 255, 255, .12);
  backdrop-filter: blur(6px);
}
.chip-hero.accent { background: rgba(194, 103, 27, .92); border-color: transparent; }
.chip-hero.stars { color: #ffce6a; letter-spacing: 1px; }
.chip-hero.warn { background: rgba(192, 57, 43, .78); border-color: transparent; }

.sleeve-toggle { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; user-select: none; }
.sleeve-toggle input { width: 18px; height: 18px; accent-color: var(--accent); cursor: pointer; }
.sleeve-saved { margin-left: 10px; font-size: 12px; color: var(--dim); }
.sleeve-saved.ok { color: #2e8b57; }
.sleeve-saved.err { color: #c0392b; }

/* content cards */
.detail-body { display: flex; flex-direction: column; gap: 16px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
  padding: 18px 20px; box-shadow: var(--shadow);
}
.card-label {
  font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--dim);
  font-weight: 700; margin-bottom: 12px;
}
.meta-card table { width: 100%; border-collapse: collapse; }
.meta-card th { text-align: left; width: 76px; padding: 10px 14px 10px 0; color: var(--dim); font-weight: 500; font-size: 13px; vertical-align: top; }
.meta-card td { padding: 10px 0; border-bottom: 1px solid var(--line); }
.meta-card tr:last-child td { border-bottom: 0; }
.tag { display: inline-block; margin: 0 6px 4px 0; padding: 2px 10px; border-radius: 6px; background: #f3efe8; font-size: 12px; border: 1px solid var(--line); }
.tag:hover { background: #fbeede; }
.catno { color: var(--dim); font-size: 12px; }

.price-main { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.price-range { font-size: 26px; font-weight: 700; color: var(--accent); letter-spacing: -.3px; }

/* collapsible market value: summary shows only the average */
.price-collapse > summary { list-style: none; cursor: pointer; display: flex; align-items: baseline; gap: 12px; }
.price-collapse > summary::-webkit-details-marker { display: none; }
.price-avg-big { font-size: 24px; font-weight: 700; color: var(--accent); letter-spacing: -.3px; }
.price-avg-k { font-size: 13px; font-weight: 500; color: var(--dim); }
.price-more { font-size: 12px; color: var(--dim); }
.price-more::after { content: "明细 ▾"; }
.price-collapse[open] .price-more::after { content: "收起 ▴"; }
.price-collapse:hover .price-more { color: var(--accent); }
.price-body { margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--line); }
.price-body .price-range { font-size: 18px; }
.price-row { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 8px; }
.price-k { font-size: 13px; color: var(--dim); }
.price-avg { font-size: 14px; color: var(--dim); }
.price-none { color: var(--dim); font-size: 14px; }
.price-sub { margin-top: 6px; font-size: 13px; color: var(--text); }
.price-detail { margin-top: 8px; }
.price-detail summary { cursor: pointer; font-size: 13px; color: var(--link); }
.price-table { margin-top: 6px; border-collapse: collapse; font-size: 13px; }
.price-table td { padding: 3px 16px 3px 0; border: 0; }
.price-table td:last-child { text-align: right; font-variant-numeric: tabular-nums; }
.price-foot { display: flex; align-items: center; gap: 12px; margin-top: 10px; }
.price-time { font-size: 12px; color: var(--dim); }
.price-discogs { font-size: 13px; margin-right: auto; }
.price-refresh {
  padding: 5px 12px; border: 1px solid var(--line); border-radius: 7px; background: #fff;
  color: var(--text); font-size: 13px; cursor: pointer;
}
.price-refresh:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.price-refresh:disabled { opacity: .6; cursor: progress; }
.price-status { font-size: 12px; color: var(--dim); }
.price-status.ok { color: #2e8b57; }
.price-status.err { color: #c0392b; }

.card.ai-intro { background: linear-gradient(180deg, #fdfbff 0%, #fff 60%); }
.ai-intro-text {
  font-family: Georgia, "Songti SC", "Noto Serif SC", serif;
  font-size: 15.5px; line-height: 1.9; color: #3a352f;
}
.intro-p { margin: 0 0 12px; white-space: pre-wrap; }
.intro-p:last-child { margin-bottom: 0; }
.intro-more > summary {
  display: block; list-style: none; cursor: pointer; margin: 2px 0 12px;
  font-family: -apple-system, "PingFang SC", system-ui, sans-serif;
  font-size: 13px; font-weight: 600; color: var(--link);
}
.intro-more > summary::-webkit-details-marker { display: none; }
.intro-more > summary::after { content: "展开全文 ▾"; }
.intro-more[open] > summary::after { content: "收起 ▴"; }
.intro-more > summary:hover { color: var(--accent); }
.ai-intro-foot { display: flex; align-items: center; gap: 12px; margin-top: 12px; flex-wrap: wrap; }
.ai-intro-badge { font-size: 12px; font-weight: 600; color: #7c4dff; }
.ai-intro-time { font-size: 12px; color: var(--dim); }
.ai-intro-none { font-size: 13px; color: var(--dim); }
.ai-intro-btn {
  padding: 8px 14px; border: 1px solid var(--line); border-radius: 8px; background: #fff;
  color: var(--text); font-size: 13px; font-weight: 600; cursor: pointer;
}
.ai-intro-btn:hover:not(:disabled) { border-color: #7c4dff; color: #7c4dff; }
.ai-intro-btn:disabled { opacity: .7; cursor: progress; }
.ai-intro-empty { display: flex; align-items: center; gap: 12px; background: #fafafa; }
.ai-intro-link { font-size: 13px; font-weight: 600; }

/* intros management page */
.intros-page { max-width: 820px; margin: 0 auto; padding: 24px 20px; }
.intros-page h1 { font-size: 24px; margin: 8px 0 6px; }
.intros-stat { color: var(--dim); margin: 0 0 18px; }
.intros-stat b { color: var(--accent); }
.intros-step { margin: 22px 0; padding-top: 18px; border-top: 1px solid var(--line); }
.intros-step h2 { font-size: 16px; margin: 0 0 10px; }
.intros-msg { padding: 10px 14px; border-radius: 8px; margin: 0 0 16px; font-size: 14px; }
.intros-msg.ok { background: #eaf7ef; color: #2e8b57; border: 1px solid #cfe9d8; }
.intros-msg.err { background: #fdeaea; color: #c0392b; border: 1px solid #f6d4d4; }
.intros-ta {
  width: 100%; margin-top: 10px; padding: 10px 12px; border: 1px solid var(--line);
  border-radius: 8px; background: #fff; color: var(--text); font: 13px/1.5 ui-monospace, Menlo, monospace;
  resize: vertical;
}
.intros-file { display: block; margin-bottom: 10px; font-size: 14px; }
.intros-btn {
  display: inline-block; padding: 9px 16px; border: 1px solid var(--line); border-radius: 8px;
  background: #fff; color: var(--text); font-size: 14px; font-weight: 600; cursor: pointer; text-decoration: none;
}
.intros-btn:hover { border-color: var(--accent); color: var(--accent); }
.intros-btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.intros-btn.primary:hover { background: var(--link); color: #fff; }
.intros-clear-form { display: inline; margin-left: 10px; }
.intros-btn.danger { padding: 5px 12px; font-size: 13px; color: #c0392b; border-color: #f0cccc; }
.intros-btn.danger:hover { background: #fdeaea; border-color: #c0392b; color: #c0392b; }
.intros-hint { color: var(--dim); font-size: 13px; margin: 10px 0 0; line-height: 1.6; }
.intros-hint code { background: #f0ede7; padding: 1px 5px; border-radius: 4px; font-size: 12px; }
.intros-none { color: #2e8b57; font-size: 15px; }
.intros-paste { margin-top: 12px; }
.intros-paste summary { cursor: pointer; font-size: 13px; color: var(--link); }

.qty { display: inline-flex; align-items: center; gap: 8px; }
.qty-btn {
  width: 28px; height: 28px; border: 1px solid var(--line); border-radius: 7px;
  background: #fff; color: var(--text); font-size: 16px; line-height: 1; cursor: pointer;
}
.qty-btn:hover { border-color: var(--accent); color: var(--accent); }
.qty-input {
  width: 56px; height: 28px; text-align: center; border: 1px solid var(--line);
  border-radius: 7px; background: #fff; color: var(--text); font-size: 14px;
}
.qty-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(194,103,27,.12); }
.qty-saved { font-size: 12px; color: var(--dim); }
.qty-saved.ok { color: #2e8b57; }
.qty-saved.err { color: #c0392b; }
.links { margin-top: 20px; }

/* filter toggle button — hidden on desktop, shown on mobile */
.filter-toggle { display: none; }

@media (max-width: 720px) {
  body { font-size: 15px; }

  /* header wraps: brand + actions on row 1, search full-width on row 2 */
  header { gap: 10px; padding: 10px 14px; flex-wrap: wrap; }
  .brand { font-size: 16px; }
  .search { order: 3; flex-basis: 100%; max-width: none; }
  .search input[type=search], .search button { padding: 10px 14px; }
  .export-menu { min-width: 160px; }
  .random-label { display: none; }
  .random-btn { padding: 8px 11px; }

  .layout { grid-template-columns: 1fr; gap: 14px; padding: 14px; }

  /* sidebar collapses into a toggleable panel (albums stay up top) */
  .filter-toggle {
    display: block; width: 100%; padding: 11px 14px; text-align: left;
    border: 1px solid var(--line); border-radius: 10px; background: #fff;
    color: var(--text); font-size: 15px; font-weight: 600; cursor: pointer;
  }
  .sidebar { display: none; }
  .sidebar.open { display: block; padding: 4px 2px 8px; }
  .sidebar li { padding: 6px 0; }          /* roomier tap targets in filter lists */

  /* album grid: adaptive, always ≥2 per row */
  .grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; }

  .toolbar { gap: 8px; }
  .sortbox { width: 100%; }                 /* sort options drop to their own line */
  .sortbox a { margin: 0 14px 0 0; display: inline-block; padding: 2px 0; }

  /* bigger touch targets */
  .qty-btn { width: 42px; height: 42px; font-size: 20px; }
  .qty-input { width: 68px; height: 42px; font-size: 16px; }
  .price-refresh { padding: 10px 16px; font-size: 14px; }

  /* detail page */
  .detail { padding: 14px 14px 36px; }
  .hero-inner { flex-direction: column; text-align: center; gap: 20px; padding: 24px 20px; }
  .hero-cover { width: 62%; max-width: 260px; }
  .hero-cover:hover .vinyl { transform: translateX(33%); }  /* no hover slide on touch */
  .hero-text { text-align: center; }
  .hero-title { font-size: 25px; }
  .hero-artist { font-size: 16px; }
  .hero-chips { justify-content: center; }
  .price-range { font-size: 22px; }
  .meta-card th { width: 66px; }
}

@media (min-width: 721px) and (max-width: 980px) {
  .layout { grid-template-columns: 200px 1fr; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
}