/* ============ TOKENS ============ */
:root {
  color-scheme: dark;
  --bg: #0a0a0b;
  --elev: #141419;
  --elev-2: #1a1a22;
  --card: #17171d;
  --card-hi: #1f1f26;
  --card-hover: #22222a;
  --border: rgba(255,255,255,0.06);
  --border-hi: rgba(255,255,255,0.14);
  --text: rgba(255,255,255,0.95);
  --text-mid: rgba(255,255,255,0.62);
  --text-dim: rgba(255,255,255,0.40);
  --purple: #a78bfa;
  --purple-deep: #7c3aed;
  --pink: #ff6b8a;
  --red: #ff2e51;
  --cyan: #34d9a9;
  --grad-brand: linear-gradient(135deg, #8b5cf6 0%, #a78bfa 50%, #ec4899 100%);
  --grad-nav-active: linear-gradient(135deg, rgba(139,92,246,0.22) 0%, rgba(236,72,153,0.10) 100%);
  --grad-active-solid: linear-gradient(135deg, rgba(139,92,246,0.9) 0%, rgba(236,72,153,0.75) 100%);
  --grad-series: linear-gradient(135deg, rgba(167,139,250,0.42), rgba(236,72,153,0.36));
  --grad-copy: linear-gradient(135deg, #ff2e51, #ff6b8a);
  --grad-random: linear-gradient(135deg, #ff2e51 0%, #ff6b8a 40%, #a78bfa 100%);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 999px;
  --fs: 15px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SF Mono", Menlo, Consolas, monospace;
  --shadow-card: 0 4px 20px rgba(0,0,0,0.32);
  --shadow-hover: 0 14px 40px rgba(0,0,0,0.55), 0 0 0 1px rgba(255,255,255,0.06);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { min-height: 100%; background: var(--bg); color: var(--text); font: 500 var(--fs)/1.45 var(--font); }
html { scrollbar-gutter: stable; }
body { overflow-x: hidden; }
img { max-width: 100%; display: block; }
button, input, select, a { font: inherit; color: inherit; background: none; border: none; cursor: pointer; text-decoration: none; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.16); }

/* ============ APP LAYOUT ============ */
.app { min-height: 100vh; display: flex; flex-direction: column; }
#app { min-height: 100vh; }

/* ============ TOPBAR ============ */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  padding: 14px 28px;
  background: rgba(10,10,11,0.86);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; justify-self: start; }
.brand-mark {
  width: 32px; height: 32px; border-radius: 10px;
  background: #000 url(/icon-256.png) center / 130% no-repeat;
  box-shadow: 0 4px 14px rgba(139,92,246,0.38);
  flex-shrink: 0;
}
.brand-name {
  font-size: 16.5px; font-weight: 700;
  letter-spacing: -0.01em;
  background: linear-gradient(90deg, #fff 0%, #c4b5fd 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
}
.search-box {
  flex: 1 1 320px; max-width: 620px;
  min-width: 200px;
  display: flex; align-items: center; gap: 11px;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  background: var(--elev);
  border: 1px solid var(--border);
  transition: border-color 0.18s ease, background 0.18s ease;
}
.search-box:focus-within { border-color: rgba(167,139,250,0.45); background: var(--elev-2); }
.search-box svg { width: 16px; height: 16px; color: var(--text-dim); flex-shrink: 0; }
.search-box input {
  flex: 1; background: transparent; border: none; outline: none;
  color: var(--text); font-size: 14.5px;
}
.search-box input::placeholder { color: var(--text-dim); }

/* ============ RANDOM BUTTON (科技感 · HUD 风) ============ */
.random-btn {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  padding: 12px 32px;
  min-width: 280px;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  border: 1px solid rgba(167,139,250,0.5);
  border-radius: 3px;
  background:
    linear-gradient(135deg, rgba(139,92,246,0.22) 0%, rgba(236,72,153,0.16) 50%, rgba(139,92,246,0.22) 100%),
    linear-gradient(to right, #0d0d13, #131319);
  box-shadow:
    0 0 0 1px rgba(167,139,250,0.18),
    0 0 28px rgba(167,139,250,0.35),
    inset 0 1px 0 rgba(255,255,255,0.1),
    inset 0 -1px 0 rgba(167,139,250,0.2);
  clip-path: polygon(
    12px 0,
    100% 0,
    100% calc(100% - 12px),
    calc(100% - 12px) 100%,
    0 100%,
    0 12px
  );
  transition: transform 0.16s ease, box-shadow 0.16s ease, letter-spacing 0.2s ease;
  flex-shrink: 0;
  justify-self: center;
  overflow: hidden;
  isolation: isolate;
}
.random-btn::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(167,139,250,0.35) 45%,
    rgba(236,72,153,0.25) 55%,
    transparent 100%
  );
  background-size: 220% 100%;
  animation: random-scan 3.2s linear infinite;
  pointer-events: none;
  z-index: 0;
}
.random-btn::after {
  content: '';
  position: absolute; inset: 1px;
  background:
    linear-gradient(90deg, transparent 0, transparent 49%, rgba(167,139,250,0.08) 50%, transparent 51%, transparent 100%) 0 0 / 4px 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
  mix-blend-mode: overlay;
}
.random-btn > * { position: relative; z-index: 1; }
.random-btn:hover {
  transform: translateY(-1px);
  letter-spacing: 0.26em;
  box-shadow:
    0 0 0 1px rgba(167,139,250,0.4),
    0 0 42px rgba(167,139,250,0.6),
    inset 0 1px 0 rgba(255,255,255,0.18),
    inset 0 -1px 0 rgba(236,72,153,0.35);
}
.random-btn:active { transform: translateY(0); }
.random-btn .random-dice {
  font-size: 18px;
  line-height: 1;
  display: inline-block;
  filter: drop-shadow(0 0 6px rgba(167,139,250,0.85));
  transition: transform 0.4s cubic-bezier(.4,1.3,.5,1);
}
.random-btn:hover .random-dice { transform: rotate(-15deg) scale(1.18); }
.random-btn.spin .random-dice {
  animation: dice-spin 0.6s cubic-bezier(.4,1.3,.5,1);
}
.random-btn .random-label {
  display: inline-flex; align-items: center; gap: 8px;
}
.random-btn .random-label::before,
.random-btn .random-label::after {
  content: '◆';
  font-size: 7px;
  opacity: 0.75;
  color: var(--pink);
  text-shadow: 0 0 8px rgba(236,72,153,0.8);
}
@keyframes dice-spin {
  0% { transform: rotate(0) scale(1); }
  45% { transform: rotate(360deg) scale(1.28); }
  100% { transform: rotate(720deg) scale(1); }
}
@keyframes random-scan {
  0% { background-position: 220% 0; }
  100% { background-position: -220% 0; }
}

.top-right { display: flex; align-items: center; flex-wrap: wrap; gap: 4px; justify-self: end; }
.icon-btn {
  position: relative;
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-mid);
  transition: background 0.16s ease, color 0.16s ease;
}
.icon-btn:hover { background: var(--elev); color: var(--text); }
.icon-btn svg { width: 17px; height: 17px; }

/* ============ LANG DROPDOWN ============ */
.lang-dd { position: relative; margin-left: 8px; }
.lang-dd-trigger {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  background: var(--elev);
  border: 1px solid var(--border);
  color: var(--text-mid);
  font-size: 13.5px; font-weight: 600;
  cursor: pointer;
  transition: color 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}
.lang-dd-trigger:hover,
.lang-dd.open .lang-dd-trigger {
  color: var(--text);
  border-color: rgba(167,139,250,0.38);
  background: var(--elev-2);
}
.lang-dd-trigger .lang-globe { width: 15px; height: 15px; opacity: 0.85; flex-shrink: 0; }
.lang-dd-trigger .lang-caret {
  width: 12px; height: 12px; opacity: 0.7;
  transition: transform 0.18s ease;
}
.lang-dd.open .lang-dd-trigger .lang-caret { transform: rotate(180deg); }
.lang-dd-label { letter-spacing: 0.01em; }
.lang-dd-menu {
  position: absolute; top: calc(100% + 6px); right: 0;
  min-width: 172px;
  padding: 6px;
  list-style: none;
  background: rgba(20,20,26,0.96);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(167,139,250,0.22);
  border-radius: var(--radius-md);
  box-shadow: 0 16px 40px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.03);
  opacity: 0;
  transform: translateY(-4px) scale(0.98);
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  z-index: 60;
}
.lang-dd.open .lang-dd-menu {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
.lang-dd-option {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px;
  border-radius: 8px;
  color: var(--text-mid);
  font-size: 13.5px; font-weight: 600;
  cursor: pointer;
  transition: background 0.14s ease, color 0.14s ease;
}
.lang-dd-option:hover { background: rgba(255,255,255,0.05); color: var(--text); }
.lang-dd-option.active { background: var(--grad-nav-active); color: #fff; }
.lang-dd-dot { width: 6px; height: 6px; border-radius: 50%; background: rgba(255,255,255,0.18); flex-shrink: 0; }
.lang-dd-option.active .lang-dd-dot {
  background: linear-gradient(135deg, #a78bfa, #ff6b8a);
  box-shadow: 0 0 8px rgba(167,139,250,0.55);
}
.lang-dd-name { flex: 1; }
.lang-dd-check { width: 14px; height: 14px; color: var(--purple); flex-shrink: 0; }

/* ============ CATEGORY ROW (一级) ============ */
.cat-row {
  position: sticky; top: 60px; z-index: 40;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 28px 12px;
  background: rgba(10,10,11,0.86);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
}
.cat-chip {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 14px 8px 12px;
  border-radius: var(--radius-pill);
  background: var(--elev);
  border: 1px solid var(--border);
  color: var(--text-mid);
  font-size: 13px; font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  transition: background 0.16s ease, color 0.16s ease, border-color 0.16s ease, transform 0.12s ease;
}
.cat-chip:hover { color: var(--text); border-color: var(--border-hi); background: var(--elev-2); }
.cat-chip.active {
  color: #fff;
  border-color: rgba(167,139,250,0.45);
  background: var(--grad-nav-active);
  box-shadow: 0 2px 12px rgba(139,92,246,0.2);
}
.cat-chip .cat-icon { font-size: 14px; line-height: 1; opacity: 0.95; }
.cat-chip .cat-count {
  font-family: var(--font-mono);
  font-size: 11px; font-weight: 700;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
  padding: 1px 7px;
  border-radius: 5px;
  background: rgba(255,255,255,0.05);
  margin-left: 3px;
}
.cat-chip.active .cat-count { background: rgba(255,255,255,0.16); color: #fff; }

/* ============ TOPIC ROW (二级 · 两行封顶) ============ */
.topic-row-wrap { position: relative; padding: 12px 28px 4px; }
.topic-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  max-height: 76px;
  overflow: hidden;
  padding-right: 116px;
  transition: max-height 0.24s ease;
}
.topic-row.has-more {
  mask-image: linear-gradient(to bottom, #000 0, #000 calc(100% - 10px), transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, #000 0, #000 calc(100% - 10px), transparent 100%);
}
.topic-row.expanded {
  max-height: none;
  mask-image: none;
  -webkit-mask-image: none;
  padding-right: 116px;
  padding-bottom: 4px;
}
.topic-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 10px 6px 12px;
  border-radius: var(--radius-pill);
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-mid);
  font-size: 12.5px; font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  transition: background 0.14s ease, color 0.14s ease, border-color 0.14s ease;
}
.topic-chip:hover { color: var(--text); border-color: var(--border-hi); background: rgba(255,255,255,0.03); }
.topic-chip.active {
  color: #fff;
  background: var(--grad-active-solid);
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(139,92,246,0.32);
}
.topic-chip.topic-chip-all { border-color: rgba(167,139,250,0.28); }
.topic-chip .topic-count {
  font-family: var(--font-mono);
  font-size: 10.5px; font-weight: 700;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
  padding: 0 5px;
  border-radius: 4px;
  background: rgba(255,255,255,0.04);
}
.topic-chip.active .topic-count { background: rgba(255,255,255,0.2); color: #fff; }
.topic-all-btn {
  position: absolute;
  right: 28px; bottom: 8px;
  display: inline-flex; align-items: center; gap: 5px;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--elev-2), var(--elev));
  border: 1px solid rgba(167,139,250,0.3);
  color: var(--text);
  font-size: 12.5px; font-weight: 700;
  box-shadow: 0 4px 14px rgba(0,0,0,0.4);
  transition: background 0.16s ease, border-color 0.16s ease, transform 0.16s ease;
}
.topic-all-btn:hover {
  background: var(--grad-nav-active);
  border-color: rgba(167,139,250,0.55);
  transform: translateX(2px);
}
.topic-all-btn svg { width: 11px; height: 11px; opacity: 0.85; transition: transform 0.24s ease; }
.topic-all-btn.expanded svg { transform: rotate(-90deg); }

/* ============ DETAIL BAR ============ */
.detail-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 16px 28px 10px;
}
.detail-left { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; min-width: 0; flex: 1; }
.detail-title { font-size: 20px; font-weight: 700; color: #fff; letter-spacing: -0.01em; }
.detail-count {
  font-family: var(--font-mono);
  font-size: 12.5px; font-weight: 700;
  color: var(--text-dim);
  padding: 2px 9px;
  border-radius: 5px;
  background: rgba(255,255,255,0.05);
  font-variant-numeric: tabular-nums;
}
.detail-right { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

/* ============ VIEW MODE ============ */
.view-mode {
  display: inline-flex;
  padding: 3px;
  border-radius: var(--radius-pill);
  background: var(--elev);
  border: 1px solid var(--border);
}
.vm-btn {
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  color: var(--text-mid);
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  transition: background 0.16s ease, color 0.16s ease;
}
.vm-btn:hover { color: var(--text); }
.vm-btn.active {
  background: var(--grad-nav-active);
  color: #fff;
  box-shadow: 0 2px 8px rgba(139,92,246,0.22);
}

/* ============ TOPIC PANEL (全部 →) ============ */
.panel-scrim {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(0,0,0,0.72);
  backdrop-filter: blur(6px);
  display: none;
  align-items: flex-start; justify-content: center;
  padding: 72px 24px 24px;
  overflow-y: auto;
  animation: scrim-in 0.2s ease;
}
.panel-scrim.open { display: flex; }
.topic-panel {
  width: min(960px, 96vw);
  max-height: calc(100vh - 96px);
  display: flex;
  flex-direction: column;
  background: rgba(20,20,26,0.98);
  border: 1px solid rgba(167,139,250,0.22);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 64px rgba(0,0,0,0.7);
  overflow: hidden;
}
.panel-head {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.panel-title {
  display: flex; align-items: center; gap: 10px;
  font-size: 16px; font-weight: 700; color: #fff;
  letter-spacing: -0.005em;
}
.panel-title .panel-icon { font-size: 20px; }
.panel-title .panel-sub {
  font-family: var(--font-mono);
  font-size: 11.5px; font-weight: 600;
  color: var(--text-dim);
  margin-left: 2px;
}
.panel-search {
  flex: 1; min-width: 220px;
  display: flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  background: var(--elev);
  border: 1px solid var(--border);
}
.panel-search:focus-within { border-color: rgba(167,139,250,0.45); background: var(--elev-2); }
.panel-search svg { width: 14px; height: 14px; color: var(--text-dim); flex-shrink: 0; }
.panel-search input {
  flex: 1; background: transparent; border: none; outline: none;
  color: var(--text); font-size: 13.5px;
}
.panel-search input::placeholder { color: var(--text-dim); }
.panel-close {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--elev);
  border: 1px solid var(--border);
  color: var(--text-mid);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: all 0.14s ease;
}
.panel-close:hover { color: var(--text); border-color: var(--border-hi); background: var(--elev-2); }
.panel-close svg { width: 14px; height: 14px; }
.panel-grid {
  flex: 1;
  overflow-y: auto;
  padding: 14px 16px 18px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 8px;
}
.panel-item {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px;
  border-radius: 10px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-mid);
  font-size: 13px; font-weight: 600;
  text-align: left;
  transition: all 0.14s ease;
}
.panel-item:hover {
  color: var(--text);
  border-color: var(--border-hi);
  background: var(--elev);
  transform: translateY(-1px);
}
.panel-item.active {
  color: #fff;
  background: var(--grad-nav-active);
  border-color: rgba(167,139,250,0.45);
}
.panel-item-label { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.panel-item-count {
  font-family: var(--font-mono);
  font-size: 11px; font-weight: 700;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(255,255,255,0.04);
}
.panel-item.active .panel-item-count { background: rgba(255,255,255,0.16); color: #fff; }
.panel-empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--text-dim);
  padding: 40px 20px;
  font-size: 13px;
}

/* ============ WATERFALL ============ */
.waterfall {
  column-gap: 18px;
  column-count: 3;
  padding: 10px 28px 60px;
}
@media (min-width: 1280px) { .waterfall { column-count: 4; } }
@media (min-width: 1680px) { .waterfall { column-count: 5; } }
@media (min-width: 2100px) { .waterfall { column-count: 6; } }

/* ============ CARD ============ */
.card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  cursor: pointer;
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
  break-inside: avoid;
  -webkit-column-break-inside: avoid;
  page-break-inside: avoid;
  margin-bottom: 18px;
  display: block;
  width: 100%;
}
.card > .cover { border-radius: inherit; overflow: hidden; }
.card.is-stack { margin-bottom: 32px; }
.card.is-stack .stack-layer {
  position: absolute; left: 0; right: 0;
  border-radius: var(--radius-lg);
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  pointer-events: none;
  transition: transform 0.24s ease;
}
.card.is-stack .stack-1 { top: 0; bottom: -7px; transform: scaleX(0.955); opacity: 0.88; }
.card.is-stack .stack-2 { top: 0; bottom: -14px; transform: scaleX(0.91); opacity: 0.62; }
.card.is-stack:hover .stack-1 { transform: scaleX(0.955) translateY(-2px); }
.card.is-stack:hover .stack-2 { transform: scaleX(0.91) translateY(-4px); }
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(255,255,255,0.12);
}
.card:hover .cover img { transform: scale(1.06); }
.card:hover .mini-btn { opacity: 1; transform: translateY(0); }
.cover {
  position: relative;
  aspect-ratio: var(--ar, 1/1);
  overflow: hidden;
  background: linear-gradient(135deg, #1a1a20, #0e0e12);
}
.cover img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(.2,.8,.2,1);
}
.cover-placeholder {
  position: absolute; inset: 0;
  display: none;
  align-items: center; justify-content: center;
  font-size: 38px;
  color: rgba(255,255,255,0.18);
  background: linear-gradient(135deg, hsl(var(--hue, 280), 35%, 18%), hsl(var(--hue, 280), 20%, 10%));
}
.cover img.failed { display: none; }
.cover img.failed + .cover-placeholder { display: flex; }
.card-overlay {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 60px 16px 14px;
  background: linear-gradient(to top, rgba(0,0,0,0.82) 0%, rgba(0,0,0,0.45) 55%, transparent 100%);
  color: #fff;
  transition: background 0.22s ease;
  pointer-events: none;
}
.card:hover .card-overlay {
  background: linear-gradient(to top, rgba(0,0,0,0.92) 0%, rgba(0,0,0,0.6) 55%, rgba(0,0,0,0.1) 100%);
}
.card-title {
  font-size: 16px; font-weight: 700;
  color: #fff; line-height: 1.3;
  text-shadow: 0 1px 6px rgba(0,0,0,0.7);
  display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical;
  overflow: hidden;
}
.series-badge {
  position: absolute; top: 12px; left: 12px;
  display: inline-flex; align-items: center; gap: 7px;
  padding: 6px 13px 6px 11px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, rgba(167,139,250,0.95), rgba(236,72,153,0.85));
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  font-size: 12px; font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 6px 18px rgba(167,139,250,0.45);
}
.series-badge svg { width: 14px; height: 14px; }
.series-badge .n { font-variant-numeric: tabular-nums; }
.mini-btn {
  position: absolute; right: 12px; bottom: 12px;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(0,0,0,0.72);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.15);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.22s ease, transform 0.22s ease, background 0.16s ease, color 0.16s ease;
  opacity: 0; transform: translateY(4px);
  z-index: 3;
}
.mini-btn:hover { color: var(--purple); background: rgba(24,24,30,0.92); border-color: rgba(167,139,250,0.5); }
.mini-btn svg { width: 15px; height: 15px; }
@media (hover: none) { .mini-btn { opacity: 1; transform: translateY(0); } }

.empty {
  column-span: all;
  padding: 60px 20px;
  text-align: center;
  color: var(--text-dim);
  font-size: 13px;
}
.foot { text-align: center; padding: 20px; color: var(--text-dim); font-size: 11.5px; }

/* ============ MODAL ============ */
.modal-scrim {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(0,0,0,0.82);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center; justify-content: center;
  padding: 30px;
}
.modal-scrim.open { display: flex; animation: scrim-in 0.22s ease; }
@keyframes scrim-in { from { opacity: 0; } to { opacity: 1; } }
body.modal-open { overflow: hidden; }
.modal {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  width: min(1260px, 96vw);
  max-height: 92vh;
  background: #101014;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 30px 80px rgba(0,0,0,0.7);
}
.modal-close {
  position: absolute; top: 14px; right: 14px; z-index: 20;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.12);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
}
.modal-close:hover { background: rgba(24,24,28,0.9); border-color: rgba(255,255,255,0.2); }
.modal-close svg { width: 17px; height: 17px; }
.modal-media {
  position: relative;
  background: #05050a;
  display: flex; align-items: center; justify-content: center;
  min-height: 400px;
  overflow: hidden;
}
.modal-media img { max-width: 100%; max-height: 92vh; object-fit: contain; }
.nav-arrow {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  width: 46px; height: 46px;
  border-radius: 50%;
  background: rgba(10,10,12,0.68);
  backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid rgba(255,255,255,0.16);
  color: #fff;
  display: none;
  align-items: center; justify-content: center;
  z-index: 12;
  transition: all 0.2s ease;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}
.nav-arrow.show { display: flex; }
.nav-arrow:hover {
  background: rgba(24,24,28,0.94);
  border-color: rgba(167,139,250,0.5);
  transform: translateY(-50%) scale(1.08);
}
.nav-arrow.prev { left: 14px; }
.nav-arrow.next { right: 14px; }
.nav-arrow svg { width: 20px; height: 20px; }
.modal-side {
  position: relative;
  padding: 28px 30px 84px;
  display: flex; flex-direction: column;
  max-height: 92vh;
  min-height: 0;
  overflow: hidden;
  background: #0f0f14;
}
.modal-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 12px 5px 10px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, rgba(167,139,250,0.14), rgba(255,107,138,0.1));
  border: 1px solid rgba(167,139,250,0.3);
  color: #d4c5fd;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 14px;
  align-self: flex-start;
}
.modal-eyebrow .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, #a78bfa, #ff6b8a);
}
.modal-eyebrow .pos {
  margin-left: 4px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: #fff;
  background: rgba(255,255,255,0.08);
  padding: 1px 8px;
  border-radius: 4px;
  font-size: 10.5px;
}
.modal-title {
  font-size: 24px; font-weight: 800;
  color: #fff;
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin-bottom: 4px;
}
.modal-pills { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.m-pill {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 11px;
  border-radius: var(--radius-pill);
  font-size: 11.5px; font-weight: 600;
  font-family: var(--font-mono);
  border: 1px solid transparent;
  letter-spacing: 0.01em;
}
.m-pill-topic {
  background: linear-gradient(135deg, rgba(167,139,250,0.14), rgba(255,107,138,0.08));
  color: #c4b5fd;
  border-color: rgba(167,139,250,0.26);
}
.m-pill-aspect { background: rgba(255,255,255,0.05); color: rgba(255,255,255,0.7); border-color: rgba(255,255,255,0.1); }
.m-pill-type { background: rgba(52,217,169,0.1); color: var(--cyan); border-color: rgba(52,217,169,0.22); }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 22px; }
.tag-chip {
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: rgba(255,255,255,0.04);
  color: rgba(255,255,255,0.72);
  font-size: 11.5px;
  border: 1px solid rgba(255,255,255,0.06);
  transition: all 0.15s ease;
}
.tag-chip:hover { background: rgba(167,139,250,0.12); color: #c4b5fd; border-color: rgba(167,139,250,0.28); }
.prompt-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 9px; }
.prompt-label {
  font-size: 10.5px; font-weight: 800;
  color: rgba(255,255,255,0.52);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.copy-big {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  background: var(--grad-brand);
  color: #fff;
  font-weight: 700;
  font-size: 12.5px;
  box-shadow: 0 5px 14px rgba(139,92,246,0.38);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.copy-big:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(139,92,246,0.55); }
.copy-big svg { width: 13px; height: 13px; }
.prompt-text {
  flex: 1;
  min-height: 0;
  background: #08080c;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.62;
  color: rgba(255,255,255,0.82);
  white-space: pre-wrap; word-break: break-word;
  overflow-y: auto;
  margin-bottom: 0;
}
.modal-actions {
  position: absolute;
  right: 24px; bottom: 22px;
  display: flex; gap: 10px;
  z-index: 12;
}
.modal-action {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  background: var(--elev);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 13px; font-weight: 600;
  transition: border-color 0.16s ease, background 0.16s ease, color 0.16s ease, transform 0.16s ease;
}
.modal-action:hover {
  border-color: rgba(167,139,250,0.45);
  background: rgba(167,139,250,0.08);
  color: #fff;
  transform: translateY(-1px);
}
.modal-action svg { width: 15px; height: 15px; opacity: 0.85; flex-shrink: 0; }
.series-dots { display: none; gap: 6px; align-items: center; margin-left: 6px; }
.series-dots.show { display: flex; }
.series-dots .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: rgba(255,255,255,0.22);
  cursor: pointer;
  border: none; padding: 0;
  transition: all 0.2s ease;
}
.series-dots .dot.active {
  width: 24px; border-radius: 4px;
  background: linear-gradient(90deg, #a78bfa, #ff6b8a);
}
.series-dots .dot:hover:not(.active) { background: rgba(255,255,255,0.5); }

/* ============ TOAST ============ */
.toast {
  position: fixed; left: 50%; bottom: 36px;
  transform: translateX(-50%) translateY(20px);
  background: rgba(20,20,26,0.96);
  color: #fff;
  font-size: 13px; font-weight: 600;
  padding: 11px 22px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(167,139,250,0.32);
  box-shadow: 0 12px 40px rgba(0,0,0,0.6);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease;
  z-index: 200;
  display: flex; align-items: center; gap: 8px;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast svg { width: 15px; height: 15px; color: var(--cyan); }

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .topbar {
    display: flex;
    flex-wrap: wrap;
    padding: 10px 14px;
    gap: 10px;
  }
  .brand { flex: 1; justify-self: auto; }
  .top-right { margin-left: auto; justify-self: auto; }
  .random-btn {
    order: 3;
    flex: 1 1 100%;
    min-width: 0;
    padding: 11px 20px;
    font-size: 12px;
    letter-spacing: 0.18em;
    justify-self: auto;
  }
  .cat-row { padding: 10px 14px 8px; gap: 6px; top: 104px; }
  .cat-chip { padding: 7px 11px 7px 10px; font-size: 12px; }
  .topic-row-wrap { padding: 10px 14px 2px; }
  .topic-row { gap: 5px; max-height: 72px; padding-right: 100px; }
  .topic-all-btn { right: 14px; }
  .detail-bar { padding: 12px 14px 8px; }
  .detail-title { font-size: 17px; }
  .detail-right { width: 100%; justify-content: flex-end; }
  .waterfall { padding: 6px 14px 40px; column-count: 2; column-gap: 10px; }
  .card { margin-bottom: 10px; }
  .panel-scrim { padding: 20px 12px; }
  .panel-head { padding: 12px 14px; gap: 10px; }
  .panel-search { min-width: 160px; }
  .panel-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
  .modal { grid-template-columns: 1fr; max-height: 94vh; }
  .modal-media { max-height: 48vh; }
  .modal-side { padding: 20px; }
  .modal-action { padding: 9px 14px; font-size: 12.5px; }
}

@media (max-width: 540px) {
  .cat-chip .cat-label { display: none; }
  .cat-chip { padding: 7px 10px; gap: 5px; }
  .cat-chip .cat-icon { font-size: 15px; }
}