:root {
  --bg: #0b0a10;
  --bg-soft: #14121c;
  --card: #17151f;
  --card-hover: #1d1a28;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #f2eef8;
  --text-dim: #a9a2bd;
  --text-faint: #6f6885;
  --pink: #ff6b9d;
  --purple: #a78bfa;
  --blue: #6ec5ff;
  --radius: 16px;
  --shadow: 0 18px 50px -18px rgba(0, 0, 0, 0.85);
  --top-h: 116px;
}

html[data-theme="light"] {
  --bg: #f7f5fa;
  --bg-soft: #ffffff;
  --card: #ffffff;
  --card-hover: #f2eef8;
  --line: rgba(20, 10, 40, 0.09);
  --line-strong: rgba(20, 10, 40, 0.18);
  --text: #1a1526;
  --text-dim: #5d5573;
  --text-faint: #918aa6;
  --shadow: 0 18px 40px -20px rgba(60, 30, 90, 0.35);
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  background-image:
    radial-gradient(720px 420px at 12% -8%, rgba(255, 107, 157, 0.16), transparent 62%),
    radial-gradient(680px 420px at 88% -4%, rgba(167, 139, 250, 0.14), transparent 60%);
  background-repeat: no-repeat;
  background-attachment: fixed;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
img { display: block; }

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.topbar-inner {
  max-width: 1560px;
  margin: 0 auto;
  padding: 12px 18px 8px;
  display: flex;
  align-items: center;
  gap: 14px;
}

@supports (background: color-mix(in srgb, red 50%, blue)) {
  .topbar { background: color-mix(in srgb, var(--bg) 78%, transparent); }
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 19px;
  letter-spacing: 0.4px;
  flex: none;
}

.brand-mark {
  background: linear-gradient(135deg, var(--pink), var(--purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 22px;
  line-height: 1;
}

.brand-text {
  background: linear-gradient(120deg, var(--text) 20%, var(--pink) 65%, var(--purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.search {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 6px 0 16px;
  max-width: 560px;
  margin: 0 auto;
  transition: border-color 0.18s, box-shadow 0.18s;
}

.search:focus-within {
  border-color: color-mix(in srgb, var(--pink) 55%, transparent);
  box-shadow: 0 0 0 4px rgba(255, 107, 157, 0.12);
}

.search input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-size: 14px;
  padding: 10px 0;
}

.search input::placeholder { color: var(--text-faint); }
.search input::-webkit-search-cancel-button { display: none; }

.search button {
  border: 0;
  background: linear-gradient(135deg, var(--pink), var(--purple));
  color: #fff;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex: none;
  transition: transform 0.15s, filter 0.15s;
}
.search button:hover { transform: scale(1.06); filter: brightness(1.08); }

.icon-btn {
  flex: none;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--text-dim);
  display: grid;
  place-items: center;
  transition: color 0.15s, border-color 0.15s;
}
.icon-btn:hover { color: var(--text); border-color: var(--line-strong); }

/* ---------- 选项条 ---------- */
.tabs {
  max-width: 1560px;
  margin: 0 auto;
  padding: 2px 18px 10px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }

.tab-group { display: flex; gap: 6px; align-items: center; }
.tab-group.hidden { display: none; }

.tab {
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-dim);
  font-size: 13.5px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 999px;
  white-space: nowrap;
  transition: all 0.16s;
}
.tab:hover { color: var(--text); background: var(--card); }
.tab.active {
  color: #fff;
  background: linear-gradient(135deg, rgba(255, 107, 157, 0.9), rgba(167, 139, 250, 0.9));
  box-shadow: 0 8px 22px -12px rgba(255, 107, 157, 0.9);
}

.tab-label {
  color: var(--text-faint);
  font-size: 13px;
  padding-left: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 46vw;
}

/* ---------- 网格 ---------- */
main {
  max-width: 1560px;
  margin: 0 auto;
  padding: 18px 18px 60px;
}

.grid {
  column-count: 5;
  column-gap: 16px;
}

@media (max-width: 1500px) { .grid { column-count: 4; } }
@media (max-width: 1120px) { .grid { column-count: 3; } }
@media (max-width: 780px)  { .grid { column-count: 2; column-gap: 10px; } }

.card {
  position: relative;
  break-inside: avoid;
  margin: 0 0 16px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--line);
  aspect-ratio: var(--ar, 0.75);
  cursor: pointer;
  transition: transform 0.2s cubic-bezier(0.2, 0.8, 0.3, 1), border-color 0.2s, box-shadow 0.2s;
  animation: rise 0.42s cubic-bezier(0.2, 0.8, 0.3, 1) both;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(14px) scale(0.985); }
  to { opacity: 1; transform: none; }
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
}

.card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: linear-gradient(110deg, var(--card) 25%, var(--card-hover) 42%, var(--card) 60%);
  background-size: 220% 100%;
  animation: shimmer 1.4s linear infinite;
  transition: opacity 0.3s;
}

.card img.loaded { animation: none; opacity: 1; }
.card img.failed { opacity: 0; }

@keyframes shimmer {
  from { background-position: 120% 0; }
  to { background-position: -80% 0; }
}

.card-meta {
  position: absolute;
  inset: auto 0 0 0;
  padding: 34px 10px 9px;
  background: linear-gradient(to top, rgba(6, 4, 12, 0.92), rgba(6, 4, 12, 0.45) 55%, transparent);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
}

.card:hover .card-meta, .card:focus-visible .card-meta { opacity: 1; transform: none; }

.card-title {
  font-size: 12.5px;
  font-weight: 600;
  color: #fff;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.9);
}

.card-sub {
  margin-top: 4px;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.66);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.badge {
  position: absolute;
  top: 8px;
  right: 8px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.3px;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(8, 6, 14, 0.72);
  color: #fff;
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  display: flex;
  gap: 4px;
  align-items: center;
}

.badge.r18 { background: rgba(220, 38, 82, 0.86); border-color: rgba(255, 255, 255, 0.28); }
.badge.multi { left: 8px; right: auto; }

/* ---------- 状态 ---------- */
.notice {
  margin: 0 0 18px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(255, 107, 157, 0.32);
  background: rgba(255, 107, 157, 0.08);
  color: var(--text);
  font-size: 13.5px;
  line-height: 1.6;
}
.notice b { color: var(--pink); }
.notice code {
  background: rgba(255, 255, 255, 0.1);
  padding: 1px 6px;
  border-radius: 5px;
  font-size: 12px;
}

.loader, .empty {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 46px 0;
  color: var(--text-dim);
  font-size: 14px;
  flex-wrap: wrap;
}

.empty { flex-direction: column; text-align: center; line-height: 1.7; }
.empty .big { font-size: 34px; }

.spinner {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2.5px solid rgba(255, 255, 255, 0.16);
  border-top-color: var(--pink);
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

@keyframes spin { to { transform: rotate(360deg); } }

.skeleton-grid {
  column-count: 5;
  column-gap: 16px;
}
@media (max-width: 1500px) { .skeleton-grid { column-count: 4; } }
@media (max-width: 1120px) { .skeleton-grid { column-count: 3; } }
@media (max-width: 780px)  { .skeleton-grid { column-count: 2; column-gap: 10px; } }
.sk {
  break-inside: avoid;
  margin: 0 0 16px;
  aspect-ratio: 0.75;
  border-radius: var(--radius);
  background: linear-gradient(110deg, var(--card) 25%, var(--card-hover) 42%, var(--card) 60%);
  background-size: 220% 100%;
  animation: shimmer 1.4s linear infinite;
}

.foot {
  text-align: center;
  color: var(--text-faint);
  font-size: 12px;
  padding: 0 20px 34px;
}

/* ---------- 灯箱 ---------- */
.lb { position: fixed; inset: 0; z-index: 100; display: flex; }
.lb[hidden] { display: none; }

.lb-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 4, 9, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.lb-body {
  position: relative;
  z-index: 1;
  margin: auto;
  width: min(1400px, 100%);
  height: 100%;
  display: flex;
  gap: 0;
  padding: clamp(10px, 2vw, 26px);
}

.lb-stage {
  flex: 1;
  min-width: 0;
  position: relative;
  display: grid;
  place-items: center;
  border-radius: 14px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.02);
}

.lb-stage img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  opacity: 0;
  transition: opacity 0.25s;
  border-radius: 8px;
}
.lb-stage img.ready { opacity: 1; }

.lb-spinner {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
}
.lb-spinner[hidden] { display: none; }

.lb-counter {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(8, 6, 14, 0.72);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.14);
}
.lb-counter[hidden] { display: none; }

.lb-close {
  position: absolute;
  top: 6px;
  right: 10px;
  z-index: 3;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(10, 8, 16, 0.72);
  color: #fff;
  font-size: 15px;
  display: grid;
  place-items: center;
}
.lb-close:hover { background: rgba(255, 107, 157, 0.9); }

.lb-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(10, 8, 16, 0.66);
  color: #fff;
  font-size: 26px;
  line-height: 1;
  display: grid;
  place-items: center;
  backdrop-filter: blur(8px);
}
.lb-nav:hover { background: rgba(255, 107, 157, 0.85); }
.lb-prev { left: 14px; }
.lb-next { right: 14px; }
.lb-nav[hidden] { display: none; }

.lb-side {
  width: 306px;
  flex: none;
  padding: 22px 26px;
  overflow-y: auto;
  color: #ece8f5;
}

.lb-side h2 {
  margin: 8px 0 12px;
  font-size: 17px;
  line-height: 1.45;
  font-weight: 700;
  word-break: break-word;
}

.lb-author {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--text-dim);
  margin-bottom: 14px;
}
.lb-author a:hover { color: var(--pink); }
.lb-author .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: linear-gradient(135deg, var(--pink), var(--purple));
  flex: none;
}

.lb-stats {
  display: flex;
  gap: 16px;
  font-size: 12.5px;
  color: var(--text-faint);
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.lb-stats b { color: var(--text); font-weight: 700; }

.lb-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 22px;
}

.tag {
  font-size: 12px;
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  color: var(--text-dim);
  transition: all 0.15s;
  cursor: pointer;
}
.tag:hover {
  color: #fff;
  border-color: rgba(255, 107, 157, 0.6);
  background: rgba(255, 107, 157, 0.16);
}

.lb-actions { display: flex; flex-direction: column; gap: 9px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  border-radius: 11px;
  font-size: 13.5px;
  font-weight: 650;
  border: 1px solid transparent;
  transition: all 0.16s;
}
.btn.primary {
  background: linear-gradient(135deg, var(--pink), var(--purple));
  color: #fff;
  box-shadow: 0 12px 28px -14px rgba(255, 107, 157, 0.9);
}
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--line-strong);
  color: var(--text-dim);
}
.btn.ghost:hover { color: var(--text); background: rgba(255, 255, 255, 0.1); }

/* ---------- 移动端 ---------- */
@media (max-width: 860px) {
  .topbar-inner { padding: 10px 12px 6px; gap: 10px; }
  .brand-text { display: none; }
  .tabs { padding: 2px 12px 9px; }
  main { padding: 12px 12px 46px; }
  .grid { column-gap: 10px; }
  .card, .sk { margin-bottom: 10px; }
  .card-title { font-size: 11.5px; }

  .lb-body { flex-direction: column; padding: 0; }
  .lb-stage { flex: 1; border-radius: 0; }
  .lb-side {
    width: 100%;
    max-height: 44vh;
    padding: 16px 18px calc(18px + env(safe-area-inset-bottom));
    background: rgba(10, 8, 16, 0.94);
    border-top: 1px solid var(--line);
    border-radius: 18px 18px 0 0;
  }
  .lb-side h2 { font-size: 15px; margin-top: 4px; }
  .lb-close { top: 10px; right: 10px; }
  .lb-prev { left: 8px; }
  .lb-next { right: 8px; }
  .lb-nav { width: 40px; height: 40px; font-size: 22px; }
}

/* 受限作品占位 */
.card.blocked {
  background: repeating-linear-gradient(135deg,
    rgba(255,255,255,0.035) 0 12px,
    rgba(255,255,255,0.065) 12px 24px);
  display: grid;
  place-items: center;
  cursor: default;
}
.card.blocked .blocked-tip {
  font-size: 12px;
  color: var(--text-faint);
  letter-spacing: 0.6px;
}