/* The Rhyme Game — 设计系统：夜场麦克风 vibe（深色底 + 霓虹粉紫） */
:root {
  --bg: #0f0d1a;
  --bg-card: #1a1730;
  --bg-card-2: #221e3f;
  --ink: #f3f0ff;
  --ink-soft: #a89fc9;
  --accent: #ff4d8d;
  --accent-2: #b06bff;
  --good: #3ddc97;
  --bad: #ff5f5f;
  --gold: #ffd166;
  --radius: 18px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: ui-rounded, "SF Pro Rounded", -apple-system, "Segoe UI", system-ui, sans-serif;
  min-height: 100vh;
}
button { font-family: inherit; cursor: pointer; border: none; }

/* ---------- 头部 ---------- */
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; max-width: 960px; margin: 0 auto;
}
.brand { font-size: 1.25rem; font-weight: 800; letter-spacing: .3px; }
.site-nav a { color: var(--ink-soft); text-decoration: none; margin-left: 20px; font-size: .95rem; }
.site-nav a:hover { color: var(--ink); }

main { max-width: 960px; margin: 0 auto; padding: 0 20px 60px; }

/* ---------- 首页 hero / 模式卡 ---------- */
#home-screen { text-align: center; padding: 48px 0 24px; }
#home-screen h1 { font-size: clamp(2rem, 6vw, 3.4rem); font-weight: 900; letter-spacing: -.5px; }
.accent { background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.tagline { color: var(--ink-soft); margin: 16px auto 36px; max-width: 560px; font-size: 1.05rem; line-height: 1.6; }
.mode-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; max-width: 780px; margin: 0 auto; }
.mode-card {
  background: var(--bg-card); border-radius: var(--radius); padding: 24px 18px;
  display: flex; flex-direction: column; gap: 8px; align-items: center;
  border: 1px solid transparent; transition: transform .15s, border-color .15s;
  color: var(--ink);
}
.mode-card:hover { transform: translateY(-3px); border-color: var(--accent); background: var(--bg-card-2); }
.mode-emoji { font-size: 2rem; }
.mode-name { font-weight: 800; font-size: 1.1rem; }
.mode-desc { color: var(--ink-soft); font-size: .85rem; line-height: 1.5; }

/* ---------- 游戏区 ---------- */
.play-topbar { display: flex; align-items: center; justify-content: space-between; padding: 18px 0 8px; }
#mode-badge {
  background: var(--bg-card); color: var(--accent); font-weight: 800;
  padding: 6px 14px; border-radius: 999px; font-size: .85rem;
}
#timer-wrap { font-size: 1.3rem; font-weight: 900; color: var(--gold); }
#timer-wrap.low { color: var(--bad); animation: pulse 1s infinite; }
@keyframes pulse { 50% { opacity: .5; } }

.target-wrap { text-align: center; padding: 28px 0 20px; }
.target-label { color: var(--ink-soft); text-transform: uppercase; letter-spacing: 2px; font-size: .75rem; }
#target-word {
  font-size: clamp(2.6rem, 9vw, 4.5rem); font-weight: 900; letter-spacing: 1px;
  background: linear-gradient(180deg, #fff, #cbb8ff); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.target-hint { color: var(--ink-soft); margin-top: 8px; font-size: .9rem; }

#rhyme-form { display: flex; gap: 10px; max-width: 560px; margin: 0 auto; }
#rhyme-input {
  flex: 1; background: var(--bg-card); border: 2px solid #322c55; color: var(--ink);
  border-radius: 999px; padding: 16px 22px; font-size: 1.15rem; outline: none; transition: border-color .15s;
}
#rhyme-input:focus { border-color: var(--accent); }
#submit-btn {
  background: linear-gradient(90deg, var(--accent), var(--accent-2)); color: #fff;
  font-weight: 800; font-size: 1.05rem; padding: 0 26px; border-radius: 999px;
  box-shadow: 0 4px 18px rgba(255, 77, 141, .35); transition: transform .1s;
}
#submit-btn:active { transform: scale(.96); }

#judge-flash { text-align: center; min-height: 28px; margin-top: 10px; font-weight: 800; font-size: 1rem; }
#judge-flash.good { color: var(--good); }
#judge-flash.bad { color: var(--bad); }

#words-board { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin: 26px auto 10px; max-width: 720px; }
.word-chip {
  background: var(--bg-card); border-radius: 999px; padding: 8px 16px; font-size: .95rem;
  border: 1px solid #322c55; animation: pop .18s ease-out;
}
.word-chip b { color: var(--gold); font-weight: 800; margin-left: 6px; }
@keyframes pop { from { transform: scale(.6); opacity: 0; } }

.play-footer { display: flex; align-items: center; justify-content: center; gap: 26px; margin-top: 26px; color: var(--ink-soft); }
#score { color: var(--gold); font-size: 1.2rem; }
#progress-wrap { font-size: .9rem; }
.ghost-btn {
  background: transparent; color: var(--ink-soft); border: 1px solid #3a3363;
  border-radius: 999px; padding: 8px 18px; font-size: .9rem;
}
.ghost-btn:hover { color: var(--ink); border-color: var(--accent); }

/* ---------- 结算/分享 ---------- */
#result-screen { text-align: center; padding: 30px 0; }
#result-title { font-size: 2rem; font-weight: 900; margin-bottom: 18px; }
#result-words { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 26px; max-width: 700px; }
#share-canvas {
  width: min(360px, 90vw); height: auto; border-radius: var(--radius);
  box-shadow: 0 12px 48px rgba(0, 0, 0, .5); display: block; margin: 0 auto;
}
.share-actions { display: flex; gap: 12px; justify-content: center; margin: 24px 0 14px; flex-wrap: wrap; }
.share-actions button {
  background: var(--bg-card); color: var(--ink); border-radius: 999px; padding: 13px 24px;
  font-weight: 800; font-size: .95rem; border: 1px solid #3a3363; transition: border-color .15s;
}
.share-actions button:first-child { background: linear-gradient(90deg, var(--accent), var(--accent-2)); border: none; }
.share-actions button:hover { border-color: var(--accent); }

/* ---------- SEO 内容块 ---------- */
.seo-block { max-width: 760px; margin: 48px auto 0; padding: 28px; background: var(--bg-card); border-radius: var(--radius); }
.seo-block h2 { font-size: 1.4rem; margin-bottom: 14px; }
.seo-block p, .seo-block li { color: var(--ink-soft); line-height: 1.8; font-size: .98rem; }
.seo-block details { border-top: 1px solid #2c2650; padding: 12px 0; }
.seo-block summary { cursor: pointer; font-weight: 700; color: var(--ink); }
.seo-block summary::marker { color: var(--accent); }
.seo-block details p { margin-top: 8px; }

/* ---------- 页脚 ---------- */
.site-footer {
  border-top: 1px solid #241f42; padding: 26px 20px; text-align: center;
  color: var(--ink-soft); font-size: .85rem; display: flex; flex-direction: column; gap: 6px;
}
.footer-note { opacity: .7; }

@media (max-width: 600px) {
  #rhyme-form { flex-direction: column; }
  #submit-btn { padding: 14px; }
}

/* ---------- On Beat 模式 ---------- */
.mode-chips { display: flex; gap: 8px; }
.mode-chip {
  background: transparent; color: var(--ink-soft); border: 1px solid #3a3363;
  border-radius: 999px; padding: 6px 14px; font-size: .85rem; font-weight: 700;
}
.mode-chip:hover { color: var(--ink); border-color: var(--accent); }
.mode-chip.active { background: var(--bg-card); color: var(--accent); border-color: var(--accent); }

.beat-stage { display: flex; align-items: center; justify-content: center; gap: 18px; padding: 14px 0 0; }
#beat-ball {
  font-size: 2.2rem; display: inline-block; filter: drop-shadow(0 0 12px rgba(255,77,141,.6));
  transition: transform .12s ease-out;
}
#beat-ball.pulsing { animation: beatPulse .18s ease-out; }
@keyframes beatPulse {
  0% { transform: scale(1); }
  40% { transform: scale(1.45); }
  100% { transform: scale(1); }
}
#beat-select {
  background: var(--bg-card); color: var(--ink); border: 1px solid #3a3363;
  border-radius: 999px; padding: 8px 16px; font-size: .9rem; font-weight: 700; font-family: inherit;
}

.loading-word { animation: loadPulse 1.2s ease-in-out infinite; font-size: clamp(1.8rem, 6vw, 3rem) !important; }
@keyframes loadPulse { 0%,100% { opacity: .35; } 50% { opacity: 1; } }

/* ---------- Bars 模式 ---------- */
.beat-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; max-width: 720px; margin: 20px auto 0; }
.beat-card {
  background: var(--bg-card); border: 1px solid #322c55; border-radius: var(--radius);
  padding: 18px 10px; display: flex; flex-direction: column; gap: 4px; align-items: center; color: var(--ink);
}
.beat-card:hover { border-color: var(--accent); }
.beat-card.active { border-color: var(--accent); background: var(--bg-card-2); }
.beat-emoji { font-size: 1.8rem; }
.beat-name { font-weight: 800; }
.beat-sub { color: var(--ink-soft); font-size: .75rem; }
.bars-opts { display: flex; flex-wrap: wrap; gap: 18px; justify-content: center; margin: 22px auto 0; max-width: 720px; }
.opt-group { display: flex; align-items: center; gap: 8px; }
.opt-label { color: var(--ink-soft); font-size: .85rem; margin-right: 4px; }
.opt-chip {
  background: transparent; color: var(--ink-soft); border: 1px solid #3a3363;
  border-radius: 999px; padding: 6px 14px; font-size: .85rem; font-weight: 700;
}
.opt-chip.active { background: var(--bg-card); color: var(--accent); border-color: var(--accent); }
.big-start {
  display: block; margin: 28px auto 0; background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #fff; font-weight: 900; font-size: 1.2rem; padding: 16px 46px; border-radius: 999px;
  box-shadow: 0 6px 24px rgba(255, 77, 141, .4);
}
.bars-hud { display: flex; justify-content: center; gap: 24px; color: var(--ink-soft); font-weight: 700; padding-top: 12px; }
#bars-combo { color: var(--gold); }
.bars-endword {
  font-size: clamp(2.4rem, 8vw, 4.2rem); font-weight: 900; letter-spacing: 2px; text-align: center;
  color: var(--ink-soft);
}
.bars-endword.revealed {
  background: linear-gradient(180deg, #fff, #cbb8ff); -webkit-background-clip: text; background-clip: text; color: transparent;
}
#beat-ball.landing { filter: drop-shadow(0 0 22px rgba(255, 209, 102, .95)); transform: scale(1.6); }