/* ================= 舒尔特方格 · 样式（亮色主题） ================= */
:root {
  --bg-0: #eef1f8;
  --bg-1: #f7f9fd;
  --card: #ffffff;
  --card-border: #e4e9f2;
  --txt: #1e293b;
  --txt-dim: #64748b;
  --accent: #0d9488;
  --accent-soft: rgba(13, 148, 136, .1);
  --accent-2: #7c3aed;
  --danger: #e11d48;
  --gold: #d97706;
  --red-num: #dc2626;
  --shadow: 0 6px 24px rgba(30, 41, 59, .08);
  --radius: 18px;
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
[hidden] { display: none !important; }
html, body { height: 100%; }
body {
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  background:
    radial-gradient(900px 600px at 88% -10%, rgba(124, 58, 237, .07), transparent 60%),
    radial-gradient(1100px 700px at 8% -15%, rgba(13, 148, 136, .09), transparent 55%),
    linear-gradient(180deg, var(--bg-1) 0%, var(--bg-0) 100%);
  background-attachment: fixed;
  color: var(--txt);
  overflow-x: hidden;
}
button { font-family: inherit; color: inherit; background: none; border: none; cursor: pointer; }

/* ---------- 屏幕切换 ---------- */
.screen { display: none; min-height: 100vh; min-height: 100dvh; flex-direction: column; align-items: center; padding: 18px 16px 40px; }
.screen.active { display: flex; }
@keyframes screenIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.screen.active > * { animation: screenIn .3s ease both; }

/* ---------- 主菜单 ---------- */
.home-head { text-align: center; margin: 8vh 0 34px; }
.logo {
  font-size: clamp(2.1rem, 7vw, 3rem);
  letter-spacing: .14em;
  background: linear-gradient(120deg, #0d9488, #0284c7 45%, #7c3aed);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.slogan { color: var(--txt-dim); letter-spacing: .3em; font-size: .8rem; margin-top: 10px; }

.user-line { margin-top: 16px; display: flex; gap: 8px; justify-content: center; align-items: center; }
.user-chip {
  display: inline-block; padding: 7px 16px; border-radius: 999px; font-size: .82rem;
  background: var(--card); border: 1px solid var(--card-border); color: var(--txt-dim);
  transition: all .15s;
}
button.user-chip:hover { color: var(--accent); border-color: var(--accent); }
.user-chip.on { color: var(--accent); border-color: rgba(13, 148, 136, .4); background: var(--accent-soft); font-weight: 600; }
.user-chip.dim { cursor: default; }

.menu-cards { display: grid; gap: 14px; width: min(520px, 100%); }
.menu-card {
  display: flex; align-items: center; gap: 16px; text-align: left;
  padding: 18px 20px; border-radius: var(--radius);
  background: var(--card); border: 1px solid var(--card-border);
  box-shadow: var(--shadow);
  transition: transform .15s, border-color .15s, box-shadow .15s;
}
.menu-card:hover, .menu-card:active {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 10px 30px rgba(13, 148, 136, .14);
}
.mc-icon { font-size: 1.9rem; }
.mc-body { flex: 1; display: flex; flex-direction: column; gap: 3px; }
.mc-body b { font-size: 1.08rem; }
.mc-body small { color: var(--txt-dim); font-size: .82rem; }
.mc-arrow { color: var(--txt-dim); font-size: 1.5rem; }

.home-foot { display: flex; gap: 10px; margin-top: 30px; flex-wrap: wrap; justify-content: center; }
.home-foot button, .home-foot a {
  padding: 10px 16px; border-radius: 999px; font-size: .88rem;
  background: var(--card); border: 1px solid var(--card-border); color: var(--txt-dim);
  transition: all .15s; text-decoration: none; display: inline-flex; align-items: center;
}
.home-foot button:hover, .home-foot a:hover { color: var(--accent); border-color: var(--accent); }

/* ---------- 顶栏 ---------- */
.bar {
  width: min(760px, 100%); display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 18px; gap: 8px;
}
.bar h2 { font-size: 1.15rem; letter-spacing: .08em; }
.btn-back { color: var(--txt-dim); font-size: .95rem; padding: 8px 10px; border-radius: 10px; }
.btn-back:hover { color: var(--txt); background: rgba(30, 41, 59, .06); }
.bar-right { min-width: 64px; text-align: right; color: var(--gold); font-size: .9rem; }
.btn-mini { color: var(--txt-dim); font-size: .9rem; padding: 8px 10px; border-radius: 10px; }
.btn-mini:hover { color: var(--txt); background: rgba(30, 41, 59, .06); }

/* ---------- 选关 ---------- */
.levels-wrap { width: min(760px, 100%); display: flex; flex-direction: column; gap: 26px; }
.chapter h3 { font-size: 1rem; color: var(--accent); letter-spacing: .1em; margin-bottom: 4px; }
.chapter p.chap-desc { color: var(--txt-dim); font-size: .82rem; margin-bottom: 12px; }
.level-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(102px, 1fr)); gap: 10px; }
.level-cell {
  position: relative; border-radius: 14px; padding: 12px 8px 10px;
  background: var(--card); border: 1px solid var(--card-border);
  box-shadow: var(--shadow);
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  transition: transform .12s, border-color .12s;
}
.level-cell:not(.locked):hover { transform: translateY(-2px); border-color: var(--accent); }
.level-cell .lv-num { font-size: .72rem; color: var(--txt-dim); }
.level-cell .lv-name { font-size: .92rem; font-weight: 600; }
.level-cell .lv-stars { font-size: .8rem; color: #f59e0b; letter-spacing: 2px; }
.level-cell .lv-stars .off { color: #dbe1ec; }
.level-cell .lv-best { font-size: .68rem; color: var(--txt-dim); }
.level-cell.locked { opacity: .5; cursor: not-allowed; background: #f1f4fa; box-shadow: none; }
.level-cell.locked .lv-name::after { content: " 🔒"; font-size: .8em; }

/* ---------- 表单面板 ---------- */
.panel { width: min(560px, 100%); display: flex; flex-direction: column; gap: 22px; }
.form-group label { display: block; font-size: .85rem; color: var(--txt-dim); margin-bottom: 10px; letter-spacing: .05em; }
.seg { display: flex; flex-wrap: wrap; gap: 8px; }
.seg button {
  padding: 10px 16px; border-radius: 12px; font-size: .92rem;
  background: var(--card); border: 1px solid var(--card-border); color: var(--txt-dim);
  transition: all .15s;
}
.seg button:hover { border-color: #b8c4d8; color: var(--txt); }
.seg button.on {
  background: var(--accent-soft);
  border-color: var(--accent); color: var(--accent);
  font-weight: 600;
}
.seg button:disabled { opacity: .35; cursor: not-allowed; }
#free-mark-fade { margin-top: 8px; }
#free-mark-fade button { padding: 7px 13px; font-size: .82rem; }
#free-mark-anchor { margin-top: 8px; }
#free-mark-anchor button { padding: 7px 13px; font-size: .82rem; }
.tip { font-size: .78rem; color: var(--txt-dim); margin-top: 8px; line-height: 1.5; }
.best-line { font-size: .85rem; color: var(--gold); min-height: 1.2em; }

.btn-primary {
  padding: 15px 22px; border-radius: 14px; font-size: 1.05rem; font-weight: 700; letter-spacing: .1em;
  color: #fff;
  background: linear-gradient(120deg, #0d9488, #0284c7);
  box-shadow: 0 8px 20px rgba(13, 148, 136, .3);
  transition: transform .12s, box-shadow .12s, filter .12s;
}
.btn-primary:hover { transform: translateY(-2px); filter: brightness(1.05); }
.btn-primary:active { transform: none; }
.btn-ghost {
  padding: 13px 20px; border-radius: 14px; font-size: .95rem;
  background: var(--card); border: 1px solid var(--card-border); color: var(--txt);
  transition: border-color .15s, color .15s;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.sprint-desc { color: var(--txt-dim); font-size: .92rem; line-height: 1.7; }
.sprint-desc b { color: var(--accent); }

/* ---------- 游戏界面 ---------- */
#screen-game { padding-bottom: 16px; }
.game-bar { margin-bottom: 6px; }
.game-title { font-size: .98rem; color: var(--txt-dim); }

.hud {
  display: flex; gap: 10px; width: min(560px, 100%);
  margin: 6px 0 14px; justify-content: center;
}
.hud-item {
  flex: 1; max-width: 130px; text-align: center;
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: 12px; padding: 8px 4px;
  box-shadow: var(--shadow);
}
.hud-label { display: block; font-size: .68rem; color: var(--txt-dim); margin-bottom: 2px; }
.hud-value { font-size: 1.15rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.hud-value.warn { color: var(--danger); animation: pulse .5s ease infinite alternate; }
@keyframes pulse { to { opacity: .55; } }
.hud-target { color: var(--accent); }
.hud-target.red { color: var(--red-num); }
.hud-target-wrap { border-color: rgba(13, 148, 136, .45); }

.sprint-bar {
  position: relative; width: min(560px, 100%); height: 30px;
  background: #e9edf5; border: 1px solid var(--card-border);
  border-radius: 999px; margin-bottom: 14px; overflow: hidden;
}
.sprint-bar-fill {
  position: absolute; inset: 0; width: 100%;
  background: linear-gradient(90deg, rgba(13, 148, 136, .35), rgba(2, 132, 199, .35));
  transform-origin: left; transition: transform .2s linear;
}
.sprint-score { position: relative; display: block; text-align: center; line-height: 28px; font-weight: 700; font-size: .88rem; }

.grid-holder { position: relative; display: flex; justify-content: center; align-items: center; width: 100%; }
.grid {
  display: grid; gap: clamp(4px, .8vmin, 8px);
  width: min(94vw, 62vh, 620px);
  aspect-ratio: 1; user-select: none;
  touch-action: manipulation;
}
.cell {
  display: flex; align-items: center; justify-content: center;
  background: var(--card);
  border: 1px solid #dfe5ef;
  border-radius: clamp(6px, 1.6vmin, 14px);
  box-shadow: 0 2px 6px rgba(30, 41, 59, .05);
  font-weight: 700; font-variant-numeric: tabular-nums;
  color: var(--txt);
  cursor: pointer;
  transition: background .12s, transform .08s, border-color .12s, color .2s, box-shadow .12s;
  will-change: transform;
}
.cell:hover { border-color: var(--accent); }
.cell:active { transform: scale(.94); }
/* 点击后：暗淡退场，不抢视线 */
.cell.done {
  background: #f3f5fa;
  border-color: #edf0f7;
  box-shadow: none;
  color: #ccd4e2;
  cursor: default;
}
.cell.red { color: var(--red-num); }
.cell.red.done { color: #ecc8cd; }
/* 抹除模式：数字消失、格子留白（虚线框提示原位置） */
.cell.erase { background: #f7f9fd; border-style: dashed; border-color: #d7deea; box-shadow: none; cursor: default; }
.cell.erase span { visibility: hidden; }
.cell.pop { animation: pop .22s ease; }
@keyframes pop { 40% { transform: scale(1.12); } }
.cell.shake { animation: shake .3s ease; border-color: var(--danger); }
@keyframes shake {
  20% { transform: translateX(-5px); } 40% { transform: translateX(5px); }
  60% { transform: translateX(-3px); } 80% { transform: translateX(3px); }
}
.grid.hidden-nums .cell span { visibility: hidden; }

/* 中心视点：凝视它、用余光找数字；白描边保证叠在数字上也清晰 */
.focus-dot {
  position: absolute; left: 50%; top: 50%;
  width: 15px; height: 15px; border-radius: 50%;
  transform: translate(-50%, -50%);
  background: rgba(13, 148, 136, .8);
  border: 2.5px solid #fff;
  box-shadow: 0 0 0 3px rgba(13, 148, 136, .28), 0 1px 6px rgba(30, 41, 59, .3);
  pointer-events: none; z-index: 5;
}

.game-tip { margin-top: 14px; color: var(--txt-dim); font-size: .78rem; letter-spacing: .05em; }

/* ---------- 结果页 ---------- */
#screen-result { justify-content: center; }
.result-card {
  width: min(460px, 100%); text-align: center;
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: 24px; padding: 34px 26px 28px;
  box-shadow: 0 24px 60px rgba(30, 41, 59, .14);
}
.result-stars { font-size: 2.6rem; letter-spacing: 10px; margin-bottom: 6px; }
.result-stars .star { color: #e3e8f1; display: inline-block; transition: color .2s, transform .2s; }
.result-stars .star.lit { color: #f59e0b; text-shadow: 0 2px 18px rgba(245, 158, 11, .45); }
.result-stars .star.lit.bounce { animation: starIn .45s cubic-bezier(.2, 2.4, .4, 1) both; }
@keyframes starIn { from { transform: scale(.2) rotate(-40deg); } to { transform: scale(1) rotate(0); } }
#result-title { font-size: 1.3rem; margin: 4px 0 10px; }
.result-time { font-size: 3.2rem; font-weight: 800; font-variant-numeric: tabular-nums; color: var(--accent); }
.result-time small { font-size: 1.2rem; color: var(--txt-dim); margin-left: 4px; }
.result-sub { color: var(--gold); font-size: .9rem; min-height: 1.3em; margin-top: 4px; }
.result-detail { display: flex; justify-content: center; gap: 22px; color: var(--txt-dim); font-size: .85rem; margin: 14px 0 6px; flex-wrap: wrap; }
.result-detail b { color: var(--txt); }
.result-rating { margin: 10px 0 4px; }
.rating-badge {
  display: inline-block; padding: 6px 18px; border-radius: 999px; font-size: .95rem; font-weight: 700;
  background: var(--accent-soft); color: var(--accent); border: 1px solid rgba(13, 148, 136, .35);
}
.rating-badge.mid { background: rgba(217, 119, 6, .09); color: var(--gold); border-color: rgba(217, 119, 6, .35); }
.rating-badge.low { background: rgba(225, 29, 72, .07); color: var(--danger); border-color: rgba(225, 29, 72, .3); }
.rating-table-mini { margin: 10px auto 0; font-size: .76rem; color: var(--txt-dim); border-collapse: collapse; }
.rating-table-mini td, .rating-table-mini th { padding: 3px 10px; border-bottom: 1px solid #eef1f7; }
.rating-table-mini tr.hl td { color: var(--accent); font-weight: 600; }
.result-actions { display: flex; gap: 10px; justify-content: center; margin-top: 22px; flex-wrap: wrap; }

/* ---------- 统计 ---------- */
.stats-wrap { width: min(680px, 100%); display: flex; flex-direction: column; gap: 16px; }
.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; }
.stat-card {
  background: var(--card); border: 1px solid var(--card-border); border-radius: 16px;
  padding: 16px; text-align: center; box-shadow: var(--shadow);
}
.stat-card .sc-v { font-size: 1.5rem; font-weight: 800; color: var(--accent); }
.stat-card .sc-l { font-size: .75rem; color: var(--txt-dim); margin-top: 4px; }
.stats-section {
  background: var(--card); border: 1px solid var(--card-border); border-radius: 16px; padding: 18px;
  box-shadow: var(--shadow);
}
.stats-section h3 { font-size: .95rem; margin-bottom: 12px; color: var(--accent); }
.best-table { width: 100%; border-collapse: collapse; font-size: .86rem; }
.best-table th { color: var(--txt-dim); font-weight: 500; text-align: left; padding: 6px 8px; border-bottom: 1px solid #e8ecf4; }
.best-table td { padding: 7px 8px; border-bottom: 1px solid #f0f3f9; font-variant-numeric: tabular-nums; }
.best-table td.gold { color: var(--gold); font-weight: 700; }
#spark-canvas { width: 100%; height: 120px; }
.empty-note { color: var(--txt-dim); font-size: .85rem; text-align: center; padding: 12px 0; }

/* ---------- 成就 ---------- */
.ach-wrap { width: min(680px, 100%); display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.ach-card {
  display: flex; gap: 14px; align-items: center;
  background: var(--card); border: 1px solid var(--card-border); border-radius: 16px; padding: 14px 16px;
  box-shadow: var(--shadow);
}
.ach-card.locked { opacity: .5; filter: grayscale(.7); box-shadow: none; background: #f4f6fb; }
.ach-card .a-icon { font-size: 1.7rem; }
.ach-card b { display: block; font-size: .95rem; margin-bottom: 2px; }
.ach-card small { color: var(--txt-dim); font-size: .78rem; line-height: 1.4; }
.ach-card .a-date { margin-left: auto; font-size: .7rem; color: var(--accent); white-space: nowrap; }

/* ---------- 帮助 ---------- */
.help-wrap { width: min(680px, 100%); display: flex; flex-direction: column; gap: 14px; }
.help-card {
  background: var(--card); border: 1px solid var(--card-border); border-radius: 16px; padding: 20px;
  line-height: 1.75; box-shadow: var(--shadow);
}
.help-card h3 { margin-bottom: 8px; font-size: 1rem; color: var(--accent); }
.help-card p, .help-card li { font-size: .9rem; color: #475569; }
.help-card ul { padding-left: 20px; }
.help-card b { color: var(--txt); }
.rate-table { width: 100%; border-collapse: collapse; font-size: .85rem; margin: 8px 0; }
.rate-table th, .rate-table td { padding: 7px 8px; text-align: center; border-bottom: 1px solid #eef1f7; }
.rate-table th { color: var(--txt-dim); font-weight: 500; }
.tiny { font-size: .76rem !important; color: var(--txt-dim) !important; margin-top: 6px; }

/* ---------- 闯关开局对话框 ---------- */
.modal-mask {
  position: fixed; inset: 0; z-index: 55;
  background: rgba(30, 41, 59, .38); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.modal-card {
  width: min(440px, 100%);
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: 22px; padding: 26px 24px 22px;
  box-shadow: 0 24px 70px rgba(30, 41, 59, .3);
  animation: modalIn .28s cubic-bezier(.2, 1.4, .4, 1) both;
}
@keyframes modalIn { from { transform: translateY(26px) scale(.96); opacity: 0; } to { transform: none; opacity: 1; } }
.lm-chip {
  display: inline-block; font-size: .72rem; font-weight: 600; letter-spacing: .08em;
  color: var(--accent); background: var(--accent-soft);
  border: 1px solid rgba(13, 148, 136, .3);
  padding: 3px 12px; border-radius: 999px; margin-bottom: 8px;
}
.modal-card h3 { font-size: 1.35rem; margin-bottom: 12px; }
.lm-specs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.lm-specs .chip {
  font-size: .76rem; color: var(--txt-dim);
  background: #f1f4fa; border: 1px solid var(--card-border);
  padding: 4px 10px; border-radius: 8px;
}
.lm-how { font-size: .9rem; line-height: 1.7; color: #475569; margin-bottom: 16px; }

.switch-row {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 14px; border: 1px solid var(--card-border); border-radius: 14px;
  background: #f8fafd; cursor: pointer; user-select: none;
}
.sr-text b { display: block; font-size: .92rem; }
.sr-text small { color: var(--txt-dim); font-size: .76rem; }
.switch { position: relative; flex-shrink: 0; }
.switch input { position: absolute; opacity: 0; pointer-events: none; }
.switch i {
  display: block; width: 46px; height: 26px; border-radius: 999px;
  background: #d5dbe7; transition: background .2s; position: relative;
}
.switch i::after {
  content: ""; position: absolute; left: 3px; top: 3px;
  width: 20px; height: 20px; border-radius: 50%;
  background: #fff; box-shadow: 0 1px 4px rgba(30, 41, 59, .25);
  transition: transform .2s;
}
.switch input:checked + i { background: var(--accent); }
.switch input:checked + i::after { transform: translateX(20px); }
.modal-actions { display: flex; gap: 10px; margin-top: 18px; }
.modal-actions .btn-ghost { flex: 1; }
.modal-actions .btn-primary { flex: 2; }

/* ---------- 登录页 & 登录守卫 ---------- */
.auth-guard {
  position: fixed; inset: 0; z-index: 100;
  background: linear-gradient(180deg, var(--bg-1) 0%, var(--bg-0) 100%);
  display: flex; flex-direction: column; gap: 16px; align-items: center; justify-content: center;
  color: var(--txt-dim); font-size: .92rem; letter-spacing: .15em;
}
.ag-spin {
  width: 36px; height: 36px; border-radius: 50%;
  border: 3px solid #dfe5ef; border-top-color: var(--accent);
  animation: agspin .9s linear infinite;
}
@keyframes agspin { to { transform: rotate(360deg); } }

.login-screen { justify-content: center; gap: 30px; min-height: 100vh; min-height: 100dvh; }
.login-head { text-align: center; }
.login-card {
  width: min(420px, 100%);
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: 24px; padding: 26px 24px 22px;
  box-shadow: 0 24px 60px rgba(30, 41, 59, .12);
  display: flex; flex-direction: column; gap: 16px;
}
.login-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.login-tabs button { text-align: center; font-size: 1rem; padding: 12px; }
.login-submit { width: 100%; }
.login-perks { list-style: none; display: flex; flex-direction: column; gap: 6px; }
.login-perks li { color: var(--txt-dim); font-size: .8rem; }
.login-foot { color: var(--txt-dim); font-size: .8rem; letter-spacing: .1em; }

/* ---------- 登录/注册表单 ---------- */
.modal-card { position: relative; }
.modal-close {
  position: absolute; top: 14px; right: 16px;
  width: 32px; height: 32px; border-radius: 50%;
  color: var(--txt-dim); font-size: .95rem;
  transition: all .15s;
}
.modal-close:hover { background: rgba(30, 41, 59, .07); color: var(--txt); }
.auth-form { display: flex; flex-direction: column; gap: 10px; }
.auth-form input {
  padding: 13px 16px; border-radius: 12px; font-size: .95rem; font-family: inherit;
  border: 1px solid var(--card-border); background: #f8fafd; color: var(--txt);
  outline: none; transition: border-color .15s, background .15s;
}
.auth-form input:focus { border-color: var(--accent); background: #fff; }
.auth-err { color: var(--danger); font-size: .8rem; min-height: 1.2em; }
.auth-err.ok { color: #16a34a; }

/* ---------- 排行榜 ---------- */
.board-wrap { width: min(560px, 100%); display: flex; flex-direction: column; gap: 12px; }
.board-list { display: flex; flex-direction: column; gap: 8px; }
.board-row {
  display: flex; align-items: center; gap: 12px;
  background: var(--card); border: 1px solid var(--card-border); border-left: 3px solid transparent;
  border-radius: 14px; padding: 12px 16px; box-shadow: var(--shadow);
}
/* 奖牌分段：前 3 金银铜牌色，10%/30% 给金牌/银牌色条 */
.board-row.tier-top { border-left-color: #f59e0b; }
.board-row.tier-gold { border-left-color: #d97706; }
.board-row.tier-silver { border-left-color: #94a3b8; }
.board-row.tier-bronze { border-left-color: #b45309; }
.board-row.me { border-color: var(--accent); border-left-color: var(--accent); background: var(--accent-soft); }
.board-size-seg { margin-top: -4px; }
.board-size-seg button { padding: 6px 12px; font-size: .82rem; }
.br-rank { min-width: 44px; font-weight: 800; color: var(--txt-dim); font-variant-numeric: tabular-nums; }
.br-rank.top { font-size: 1.3rem; }
.br-name { flex: 1; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.board-row.me .br-name { color: var(--accent); }
.br-value { font-weight: 800; color: var(--accent); font-variant-numeric: tabular-nums; }
.board-foot { text-align: center; color: var(--txt-dim); font-size: .85rem; padding: 10px 0 4px; }
.board-foot .btn-ghost { margin: 0 auto; }

/* ---------- 倒计时 & 特效 ---------- */
.countdown-mask {
  position: fixed; inset: 0; z-index: 60;
  background: rgba(247, 249, 253, .82); backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
}
.countdown-num {
  font-size: 7rem; font-weight: 800; color: var(--accent);
  text-shadow: 0 6px 40px rgba(13, 148, 136, .35);
  animation: cd .9s ease both;
}
@keyframes cd { 0% { transform: scale(1.7); opacity: 0; } 25% { transform: scale(1); opacity: 1; } 85% { opacity: 1; } 100% { opacity: 0; } }

#fx-canvas { position: fixed; inset: 0; width: 100vw; height: 100vh; pointer-events: none; z-index: 70; }

.toast-box { position: fixed; top: 18px; left: 50%; transform: translateX(-50%); z-index: 80; display: flex; flex-direction: column; gap: 10px; align-items: center; }
.toast {
  padding: 12px 22px; border-radius: 999px; font-size: .9rem; font-weight: 600;
  background: #fff; border: 1px solid rgba(217, 119, 6, .45); color: var(--gold);
  box-shadow: 0 10px 34px rgba(30, 41, 59, .18);
  animation: toastIn .35s cubic-bezier(.2, 1.6, .4, 1) both;
}
.toast.plain { border-color: rgba(13, 148, 136, .4); color: var(--accent); }
.toast.out { animation: toastOut .3s ease both; }
@keyframes toastIn { from { transform: translateY(-24px); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes toastOut { to { transform: translateY(-24px); opacity: 0; } }

/* ---------- 手机适配 ---------- */
@media (max-width: 520px) {
  .home-head { margin-top: 5vh; }
  .hud-item { padding: 6px 2px; }
  .hud-value { font-size: 1rem; }
  .grid { width: min(94vw, 58vh); }
  .result-time { font-size: 2.6rem; }
  .level-grid { grid-template-columns: repeat(3, 1fr); }
}