:root {
  --prompt-bg: #070a12;
  --prompt-panel: rgba(12, 18, 30, 0.9);
  --prompt-panel-strong: #0d1421;
  --prompt-line: rgba(174, 196, 224, 0.16);
  --prompt-text: #edf3fa;
  --prompt-muted: #91a0b3;
  --prompt-teal: #43e2d1;
  --prompt-coral: #ff6f7d;
  --prompt-amber: #f4c45e;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.prompt-library-page {
  min-width: 320px;
  margin: 0;
  color: var(--prompt-text);
  background: var(--prompt-bg);
  font-family: Inter, "Microsoft YaHei", "PingFang SC", sans-serif;
}
button, input { font: inherit; }
button { letter-spacing: 0; }
.prompt-card[hidden],
.prompt-category[hidden],
.prompt-empty[hidden] { display: none !important; }

.prompt-topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 clamp(18px, 4vw, 54px);
  border-bottom: 1px solid var(--prompt-line);
  background: rgba(7, 10, 18, 0.9);
  backdrop-filter: blur(18px);
}
.prompt-topbar nav { display: flex; align-items: center; gap: 8px; }
.prompt-topbar nav a {
  padding: 8px 11px;
  color: var(--prompt-muted);
  font-size: 12px;
  font-weight: 700;
}
.prompt-topbar nav a:hover { color: var(--prompt-teal); }

.prompt-library-shell {
  position: relative;
  z-index: 1;
  width: min(1520px, calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(28px, 5vw, 64px) 0 90px;
}

.prompt-library-hero {
  position: relative;
  min-height: 390px;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  overflow: hidden;
  border: 1px solid var(--prompt-line);
  background:
    linear-gradient(105deg, rgba(11, 18, 32, 0.98) 0 57%, rgba(17, 23, 39, 0.72)),
    repeating-linear-gradient(90deg, transparent 0 63px, rgba(255, 255, 255, 0.025) 64px);
}
.prompt-library-hero::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: linear-gradient(var(--prompt-teal), var(--prompt-coral), var(--prompt-amber));
}
.prompt-hero-copy { align-self: center; max-width: 850px; padding: clamp(36px, 6vw, 82px); }
.prompt-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--prompt-teal);
  font-family: Consolas, monospace;
  font-size: 11px;
  font-weight: 800;
}
.prompt-kicker i { width: 7px; height: 7px; background: var(--prompt-coral); transform: rotate(45deg); }
.prompt-hero-copy h1 { margin: 16px 0 14px; font-size: clamp(42px, 6vw, 78px); line-height: 1; letter-spacing: 0; }
.prompt-hero-copy > p { max-width: 750px; margin: 0; color: #b5c0cf; font-size: 16px; line-height: 1.9; }
.prompt-stats { display: flex; flex-wrap: wrap; gap: 34px; margin-top: 40px; }
.prompt-stats > div { min-width: 100px; padding-left: 13px; border-left: 2px solid var(--prompt-line); }
.prompt-stats > div:nth-child(1) { border-color: var(--prompt-teal); }
.prompt-stats > div:nth-child(2) { border-color: var(--prompt-coral); }
.prompt-stats > div:nth-child(3) { border-color: var(--prompt-amber); }
.prompt-stats strong { display: block; font-size: 25px; line-height: 1; }
.prompt-stats span { display: block; margin-top: 8px; color: var(--prompt-muted); font-size: 11px; }

.prompt-hero-art { position: relative; min-height: 390px; overflow: hidden; border-left: 1px solid var(--prompt-line); }
.vinyl {
  position: absolute;
  width: 320px;
  aspect-ratio: 1;
  right: -34px;
  top: 42px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  background: repeating-radial-gradient(circle, #111827 0 3px, #080b12 4px 7px);
  box-shadow: -30px 34px 70px rgba(0, 0, 0, 0.46);
}
.vinyl::before {
  content: "AI";
  position: absolute;
  inset: 34%;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #091017;
  background: var(--prompt-teal);
  font-size: 28px;
  font-weight: 900;
}
.vinyl span { position: absolute; inset: 49%; border-radius: 50%; background: #fff; }
.prompt-hero-art > b { position: absolute; right: 28px; bottom: 26px; color: rgba(255, 255, 255, 0.12); font: 900 42px/0.84 Consolas, monospace; text-align: right; }
.hero-wave { position: absolute; left: 26px; right: 26px; bottom: 68px; height: 62px; display: flex; align-items: center; gap: 4px; }
.hero-wave i { width: 4px; height: calc(10px + (var(--wave) % 7) * 6px); background: var(--prompt-coral); }
.hero-wave i:nth-child(3n) { background: var(--prompt-teal); }
.hero-wave i:nth-child(4n) { background: var(--prompt-amber); }

.prompt-leaderboard { margin-top: 18px; padding: 28px; border: 1px solid var(--prompt-line); background: rgba(9, 14, 24, 0.88); }
.leaderboard-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 18px; }
.leaderboard-heading span { color: var(--prompt-coral); font: 800 10px/1 Consolas, monospace; }
.leaderboard-heading h2 { margin: 7px 0 0; font-size: 25px; }
.leaderboard-heading p { margin: 0; color: var(--prompt-muted); font-size: 12px; }
.leaderboard-list { min-height: 330px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: end; gap: 10px; padding-top: 22px; }
.leaderboard-item {
  position: relative;
  min-width: 0;
  min-height: 214px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-rows: 1fr auto;
  align-items: start;
  gap: 14px;
  padding: 20px 18px 0;
  border: 1px solid var(--prompt-line);
  color: inherit;
  background: linear-gradient(155deg, rgba(168, 191, 214, .1), #0a101b 48%);
  cursor: pointer;
  text-align: left;
  overflow: hidden;
}
.leaderboard-item:hover { border-color: var(--prompt-teal); background-color: #0e1724; transform: translateY(-3px); }
.leaderboard-item.rank-1 { grid-column: 2; grid-row: 1; min-height: 290px; border-color: rgba(244, 196, 94, .48); background: linear-gradient(155deg, rgba(244, 196, 94, .18), #0b1019 52%); }
.leaderboard-item.rank-2 { grid-column: 1; grid-row: 1; min-height: 242px; }
.leaderboard-item.rank-3 { grid-column: 3; grid-row: 1; min-height: 224px; background: linear-gradient(155deg, rgba(217, 141, 104, .13), #0a101b 48%); }
.rank-medal { display: grid; justify-items: center; gap: 6px; }
.rank-medal i { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid currentColor; border-radius: 50%; color: #a8bfd6; background: rgba(168, 191, 214, .1); font: normal 900 18px/1 Consolas, monospace; }
.rank-medal small { color: #a8bfd6; font-size: 10px; font-weight: 800; }
.rank-1 .rank-medal i { width: 52px; height: 52px; color: var(--prompt-amber); background: rgba(244, 196, 94, .12); box-shadow: 0 0 28px rgba(244, 196, 94, .18); }
.rank-1 .rank-medal small { color: var(--prompt-amber); }
.rank-3 .rank-medal i, .rank-3 .rank-medal small { color: #d98d68; }
.rank-copy { min-width: 0; }
.rank-copy small { display: block; margin-bottom: 7px; color: var(--prompt-muted); font-size: 10px; }
.rank-copy strong { display: -webkit-box; overflow: hidden; font-size: 13px; line-height: 1.7; -webkit-line-clamp: 3; -webkit-box-orient: vertical; }
.rank-copy em { display: block; margin-top: 10px; color: #68778c; font-size: 9px; font-style: normal; }
.rank-likes { display: grid; justify-items: center; color: var(--prompt-coral); }
.rank-likes i { font-style: normal; font-size: 18px; }
.rank-likes b { margin-top: 3px; font-size: 12px; }
.rank-stage { grid-column: 1 / -1; min-height: 62px; display: flex; align-items: center; justify-content: space-between; margin: 0 -18px; padding: 0 18px; border-top: 1px solid rgba(168, 191, 214, .2); color: #a8bfd6; background: rgba(168, 191, 214, .08); }
.rank-stage b { font: 900 30px/1 Consolas, monospace; }
.rank-stage small { font: 800 8px/1 Consolas, monospace; }
.rank-1 .rank-stage { min-height: 84px; border-color: rgba(244, 196, 94, .32); color: var(--prompt-amber); background: rgba(244, 196, 94, .1); }
.rank-3 .rank-stage { color: #d98d68; background: rgba(217, 141, 104, .08); }

.prompt-detail-dialog { width: 100%; height: 100%; max-width: none; max-height: none; margin: 0; padding: 0; border: 0; color: var(--prompt-text); background: transparent; overflow: hidden; }
.prompt-detail-dialog::backdrop { background: transparent; }
.prompt-detail-dialog[open] { display: grid; place-items: center; }
.prompt-detail-backdrop { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; background: rgba(3, 6, 12, .78); backdrop-filter: blur(12px); cursor: default; }
.prompt-detail-panel { position: relative; width: min(720px, calc(100% - 28px)); max-height: calc(100vh - 40px); overflow-y: auto; border: 1px solid rgba(67, 226, 209, .34); background: #0b111c; box-shadow: 0 32px 90px rgba(0, 0, 0, .58); }
.prompt-detail-panel > header { display: flex; align-items: start; justify-content: space-between; gap: 18px; padding: 24px 26px; border-bottom: 1px solid var(--prompt-line); }
.prompt-detail-panel header span { color: var(--prompt-amber); font: 800 9px/1 Consolas, monospace; }
.prompt-detail-panel h2 { margin: 8px 0 0; font-size: 24px; }
.prompt-detail-panel header > button { width: 36px; height: 36px; border: 1px solid var(--prompt-line); color: var(--prompt-muted); background: transparent; cursor: pointer; font-size: 22px; }
.prompt-detail-language { position: relative; padding: 24px 26px; border-bottom: 1px solid var(--prompt-line); }
.prompt-detail-language > span { color: var(--prompt-teal); font: 800 10px/1 Consolas, monospace; }
.prompt-detail-language p { margin: 13px 110px 0 0; font-size: 14px; line-height: 1.85; white-space: pre-wrap; }
.prompt-detail-language button { position: absolute; top: 20px; right: 26px; min-height: 32px; padding: 6px 10px; border: 1px solid var(--prompt-line); color: var(--prompt-muted); background: #080d15; cursor: pointer; font-size: 10px; }
.prompt-detail-language button:hover { border-color: var(--prompt-teal); color: var(--prompt-text); }
.prompt-detail-panel footer { display: flex; justify-content: space-between; gap: 18px; padding: 17px 26px; color: var(--prompt-muted); font-size: 10px; }
.prompt-detail-panel footer b { color: var(--prompt-coral); }

.prompt-toolbar { position: sticky; top: 76px; z-index: 20; margin: 18px 0 26px; padding: 16px; border: 1px solid var(--prompt-line); background: rgba(8, 12, 21, 0.94); backdrop-filter: blur(18px); }
.prompt-search { position: relative; display: flex; align-items: center; height: 48px; border: 1px solid rgba(67, 226, 209, 0.24); background: #080d16; }
.prompt-search > span { position: absolute; left: 17px; width: 13px; height: 13px; border: 2px solid var(--prompt-muted); border-radius: 50%; }
.prompt-search > span::after { content: ""; position: absolute; width: 6px; height: 2px; right: -5px; bottom: -3px; background: var(--prompt-muted); transform: rotate(45deg); }
.prompt-search input { width: 100%; height: 100%; padding: 0 70px 0 47px; border: 0; outline: 0; color: var(--prompt-text); background: transparent; }
.prompt-search input::placeholder { color: #6f7d91; }
.prompt-search:focus-within { border-color: var(--prompt-teal); box-shadow: 0 0 0 3px rgba(67, 226, 209, 0.08); }
.prompt-search kbd { position: absolute; right: 12px; padding: 4px 7px; border: 1px solid var(--prompt-line); color: var(--prompt-muted); background: #111827; font-size: 10px; }
.language-switch { position: absolute; top: 20px; right: 20px; display: flex; }
.language-switch button { min-width: 64px; height: 40px; border: 0; border-left: 1px solid var(--prompt-line); color: var(--prompt-muted); background: transparent; cursor: pointer; }
.language-switch button.active { color: #071016; background: var(--prompt-teal); font-weight: 800; }
.prompt-search { margin-right: 224px; }
.category-chips { display: flex; gap: 7px; overflow-x: auto; margin-top: 12px; padding-bottom: 2px; scrollbar-width: thin; }
.category-chips button { flex: 0 0 auto; min-height: 34px; padding: 7px 11px; border: 1px solid var(--prompt-line); color: var(--prompt-muted); background: #0b111c; cursor: pointer; font-size: 11px; }
.category-chips button span { margin-right: 6px; }
.category-chips button:hover, .category-chips button.active { border-color: var(--prompt-teal); color: var(--prompt-text); background: rgba(67, 226, 209, 0.09); }

.prompt-category-list { display: grid; gap: 50px; }
.prompt-category { scroll-margin-top: 180px; }
.prompt-category > header { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 15px; margin-bottom: 15px; padding-bottom: 14px; border-bottom: 1px solid var(--prompt-line); }
.category-symbol { width: 46px; height: 46px; display: grid; place-items: center; border: 1px solid color-mix(in srgb, var(--category-accent), transparent 45%); background: color-mix(in srgb, var(--category-accent), transparent 88%); font-size: 21px; }
.prompt-category header span { color: var(--category-accent); font: 800 10px/1 Consolas, monospace; }
.prompt-category h2 { margin: 4px 0 0; font-size: 24px; }
.prompt-category header > strong { color: var(--prompt-muted); font: 700 10px/1 Consolas, monospace; }
.prompt-card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.prompt-card { min-width: 0; display: grid; grid-template-columns: 42px minmax(0, 1fr); padding: 18px 18px 14px; border: 1px solid var(--prompt-line); background: rgba(10, 15, 25, 0.94); }
.prompt-card:hover { border-color: color-mix(in srgb, var(--category-accent), transparent 38%); background: #0e1624; }
.prompt-card-index { position: relative; }
.prompt-card-index span { color: var(--category-accent); font: 800 11px/1 Consolas, monospace; }
.prompt-card-index i { position: absolute; top: 25px; bottom: 6px; left: 7px; width: 1px; background: linear-gradient(var(--category-accent), transparent); }
.prompt-card-content { min-width: 0; }
.prompt-card-content p { margin: 0; overflow-wrap: anywhere; }
.prompt-zh { color: #edf3fa; font-size: 13px; line-height: 1.75; }
.prompt-en { margin-top: 10px !important; padding-top: 10px; border-top: 1px solid rgba(255, 255, 255, 0.075); color: #8f9db0; font-family: Inter, sans-serif; font-size: 11px; line-height: 1.65; }
.prompt-card-actions { grid-column: 2; display: flex; align-items: center; gap: 7px; margin-top: 14px; }
.prompt-card-actions button { min-height: 32px; display: inline-flex; align-items: center; gap: 6px; padding: 6px 9px; border: 1px solid var(--prompt-line); color: var(--prompt-muted); background: #080d15; cursor: pointer; font-size: 10px; }
.prompt-card-actions button:hover { border-color: var(--category-accent); color: var(--prompt-text); }
.copy-prompt span { color: var(--category-accent); font: 800 9px/1 Consolas, monospace; }
.prompt-card-actions .like-prompt { margin-left: auto; color: #acbacb; }
.prompt-card-actions .like-prompt span { color: var(--prompt-coral); font-size: 14px; }
.prompt-card-actions .like-prompt.liked { border-color: rgba(255, 111, 125, 0.4); color: var(--prompt-text); background: rgba(255, 111, 125, 0.1); }
.prompt-card-actions .like-prompt:disabled { cursor: default; opacity: 1; }
.prompt-library-page.language-zh .prompt-en, .prompt-library-page.language-en .prompt-zh { display: none; }
.prompt-library-page.language-en .prompt-en { margin-top: 0 !important; padding-top: 0; border-top: 0; color: #dce5ef; font-size: 12px; }
.prompt-library-page.language-en .copy-prompt[data-copy="zh"], .prompt-library-page.language-zh .copy-prompt[data-copy="en"] { display: none; }
.prompt-empty { padding: 52px 24px; border: 1px dashed var(--prompt-line); color: var(--prompt-muted); text-align: center; }
.prompt-empty strong { color: var(--prompt-text); font-size: 18px; }
.prompt-empty p { margin: 9px 0 0; }
.prompt-toast { position: fixed; right: 22px; bottom: 22px; z-index: 50; padding: 11px 15px; border-left: 3px solid var(--prompt-teal); color: var(--prompt-text); background: #111a29; box-shadow: 0 14px 40px rgba(0, 0, 0, 0.42); opacity: 0; pointer-events: none; transform: translateY(12px); }

@media (max-width: 980px) {
  .prompt-library-hero { grid-template-columns: 1fr; }
  .prompt-hero-art { min-height: 220px; border-top: 1px solid var(--prompt-line); border-left: 0; }
  .vinyl { width: 260px; top: -22px; right: 4%; }
  .leaderboard-list { min-height: 0; grid-template-columns: 1fr; align-items: stretch; padding-top: 0; }
  .leaderboard-item.rank-1, .leaderboard-item.rank-2, .leaderboard-item.rank-3 { grid-column: auto; grid-row: auto; min-height: 210px; }
  .prompt-card-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .prompt-library-shell { width: min(100% - 24px, 1520px); padding-top: 18px; }
  .prompt-topbar { min-height: 60px; padding: 0 14px; }
  .prompt-topbar .docs-brand small, .prompt-topbar nav a:first-child { display: none; }
  .prompt-library-hero { min-height: 0; }
  .prompt-hero-copy { padding: 34px 25px; }
  .prompt-hero-copy h1 { font-size: 39px; }
  .prompt-hero-copy > p { font-size: 14px; }
  .prompt-stats { gap: 18px; }
  .prompt-hero-art { min-height: 180px; }
  .vinyl { width: 220px; }
  .prompt-leaderboard { padding: 20px 14px; }
  .leaderboard-heading { align-items: start; flex-direction: column; }
  .prompt-detail-language p { margin-right: 0; padding-top: 30px; }
  .prompt-toolbar { top: 68px; padding: 10px; }
  .prompt-search { margin-right: 0; }
  .prompt-search kbd { display: none; }
  .language-switch { position: static; margin-top: 9px; }
  .language-switch button { flex: 1; border: 1px solid var(--prompt-line); }
  .prompt-category-list { gap: 38px; }
  .prompt-category > header { grid-template-columns: auto minmax(0, 1fr); }
  .prompt-category header > strong { display: none; }
  .prompt-card { grid-template-columns: 30px minmax(0, 1fr); padding: 15px 12px 12px; }
  .prompt-card-actions { gap: 5px; }
  .prompt-card-actions button { padding: 6px 7px; }
  .copy-prompt { font-size: 0 !important; }
  .copy-prompt span { font-size: 9px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}