/* 德州扑克训练器 - 深色赌场风格 */
:root {
  --bg: #0d1117;
  --bg2: #161b22;
  --bg3: #1c2330;
  --felt: #123b2a;
  --gold: #d4af37;
  --line: #2a3342;
  --txt: #e8eaed;
  --dim: #9aa4b2;
  --green: #2ecc71;
  --teal: #1abc9c;
  --blue: #58a6ff;
  --amber: #f0b429;
  --red: #ef5b5b;
  --purple: #9d7cd8;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; }
body {
  background:
    radial-gradient(1200px 500px at 50% -100px, rgba(18, 59, 42, .55), transparent 60%),
    radial-gradient(900px 400px at 90% 110%, rgba(30, 58, 95, .35), transparent 60%),
    var(--bg);
  color: var(--txt);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
  min-height: 100vh;
}
#app { max-width: 680px; margin: 0 auto; padding: 16px 16px 60px; }
.mono { font-family: ui-monospace, "SF Mono", Consolas, monospace; }

/* ---------- 顶栏 ---------- */
.top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin: 6px 0 10px; }
.brand { font-size: 20px; font-weight: 700; letter-spacing: .5px; }
.brand::first-letter { color: var(--gold); }
.title-chip { background: var(--bg3); border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; font-size: 13px; color: var(--gold); white-space: nowrap; }
.xpbar { height: 8px; background: var(--bg3); border-radius: 99px; overflow: hidden; border: 1px solid var(--line); }
.xpbar i { display: block; height: 100%; background: linear-gradient(90deg, #b8860b, var(--gold)); border-radius: 99px; transition: width .4s; }
.xp-hint { font-size: 12px; color: var(--dim); margin: 6px 0 18px; }

/* ---------- 训练营大按钮 ---------- */
.camp {
  width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 12px;
  background: linear-gradient(135deg, #123b2a, #0e2e21);
  border: 1px solid #1f6b4c; border-radius: 14px; padding: 18px 20px;
  color: var(--txt); cursor: pointer; text-align: left; transition: transform .1s;
}
.camp:hover { transform: translateY(-1px); border-color: var(--green); }
.camp-l b { font-size: 17px; display: block; margin-bottom: 5px; color: #7ee2b0; }
.camp-l span { font-size: 12.5px; color: var(--dim); }
.camp-r { color: var(--gold); font-size: 22px; font-weight: 700; white-space: nowrap; }

/* ---------- 模块网格 ---------- */
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 16px 0; }
@media (max-width: 560px) { .grid { grid-template-columns: 1fr; } }
.card {
  background: var(--bg2); border: 1px solid var(--line); border-radius: 14px;
  padding: 14px; display: flex; flex-direction: column; gap: 8px;
  border-top: 3px solid var(--line);
}
.card.m-blue { border-top-color: var(--blue); }
.card.m-teal { border-top-color: var(--teal); }
.card.m-amber { border-top-color: var(--amber); }
.card.m-red { border-top-color: var(--red); }
.card.m-green { border-top-color: var(--green); }
.card-top { display: flex; align-items: center; gap: 8px; font-size: 15.5px; }
.card-top .ic { font-size: 20px; }
.card-desc { font-size: 12.5px; color: var(--dim); flex: 1; }
.card-stat { font-size: 11.5px; color: var(--dim); opacity: .85; }

/* ---------- 通用按钮 ---------- */
.btn {
  background: var(--bg3); color: var(--txt); border: 1px solid var(--line);
  border-radius: 10px; padding: 10px 14px; font-size: 14px; cursor: pointer; transition: all .12s;
  font-family: inherit;
}
.btn:hover { border-color: var(--gold); color: var(--gold); }
.btn.big { width: 100%; padding: 13px; font-size: 15px; font-weight: 600; margin-top: 12px; }
.btn.ghost { background: transparent; }
.row-btn {
  width: 100%; display: flex; align-items: center; gap: 10px; background: var(--bg2);
  border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; color: var(--txt);
  cursor: pointer; font-size: 15px; font-family: inherit; margin-bottom: 14px;
}
.row-btn .arr { margin-left: auto; color: var(--dim); }
.badge { background: var(--red); color: #fff; border-radius: 99px; font-size: 12px; padding: 1px 8px; }
.reset { width: 100%; background: none; border: none; color: #6b7686; font-size: 12px; cursor: pointer; margin-top: 18px; font-family: inherit; }
.reset:hover { color: var(--red); }

/* ---------- 速查表 ---------- */
.cheat { background: var(--bg2); border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px; margin-bottom: 8px; }
.cheat summary { cursor: pointer; font-size: 14.5px; color: var(--gold); font-weight: 600; }
.cheat .ct { width: 100%; border-collapse: collapse; margin-top: 12px; font-size: 12.5px; }
.cheat .ct th { text-align: left; color: var(--dim); font-weight: 500; padding: 6px 8px; border-bottom: 1px solid var(--line); }
.cheat .ct td { padding: 7px 8px; border-bottom: 1px solid rgba(42, 51, 66, .5); vertical-align: top; }
.cheat .ct td.mono { color: #ffd97a; font-size: 12px; }
.cheat-note { margin-top: 10px; font-size: 12.5px; color: var(--dim); }

/* ---------- 训练页 ---------- */
.dtop { display: flex; align-items: center; gap: 12px; margin: 6px 0 4px; }
.back { background: var(--bg3); border: 1px solid var(--line); color: var(--dim); border-radius: 8px; padding: 6px 12px; cursor: pointer; font-size: 14px; font-family: inherit; }
.back:hover { color: var(--txt); }
.dprog { font-size: 13.5px; color: var(--dim); flex: 1; }
.streak { color: var(--amber); font-weight: 700; font-size: 14px; white-space: nowrap; }
.stage { max-width: 520px; margin: 0 auto; }
.timer-wrap { position: relative; width: 84px; height: 84px; margin: 10px auto 6px; }
.timer-wrap svg { width: 84px; height: 84px; transform: rotate(-90deg); }
.tbg { fill: none; stroke: var(--bg3); stroke-width: 6; }
.tfg { fill: none; stroke: var(--gold); stroke-width: 6; stroke-linecap: round; transition: stroke-dashoffset .12s linear; }
.tfg.urgent { stroke: var(--red); }
.tnum { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 26px; font-weight: 700; color: var(--gold); }
.tfg.urgent + .tnum { color: var(--red); }

.qcard { background: var(--bg2); border: 1px solid var(--line); border-radius: 16px; padding: 20px 18px; }
.qprompt { font-size: 15px; line-height: 1.6; text-align: center; margin-bottom: 14px; }
.qprompt .tag { background: rgba(212, 175, 55, .12); color: var(--gold); border: 1px solid rgba(212, 175, 55, .35); border-radius: 99px; padding: 3px 12px; font-size: 12.5px; }
.qbig { text-align: center; margin-bottom: 8px; min-height: 30px; }

/* 扑牌 */
.hand { display: inline-flex; gap: 8px; }
.pcard {
  display: inline-flex; flex-direction: column; align-items: center; justify-content: center;
  width: 58px; height: 80px; background: #f5f2ea; color: #1a1a1a; border-radius: 9px;
  box-shadow: 0 3px 8px rgba(0, 0, 0, .45); border: 1px solid #d8d3c4;
}
.pcard b { font-size: 24px; line-height: 1; }
.pcard i { font-style: normal; font-size: 19px; margin-top: 3px; }
.pcard.red { color: #c0392b; }
.vs { display: inline-block; margin: 0 12px; color: var(--gold); font-weight: 800; font-size: 16px; vertical-align: middle; }
.chips-line { background: var(--felt); border: 1px solid #1f6b4c; border-radius: 10px; padding: 12px 14px; font-size: 14.5px; color: #d8efe2; }
.scene-line { margin-top: 12px; font-size: 13.5px; color: var(--dim); line-height: 1.7; }

/* 选项 */
.opts { display: flex; flex-direction: column; gap: 10px; margin-top: 14px; }
.opt {
  display: flex; align-items: center; gap: 12px; background: var(--bg3); border: 1px solid var(--line);
  border-radius: 11px; padding: 13px 15px; color: var(--txt); font-size: 15px; cursor: pointer;
  transition: all .1s; font-family: inherit; text-align: left;
}
.opt:hover:not(:disabled) { border-color: var(--gold); background: #232c3d; }
.opt:disabled { opacity: .45; cursor: default; }
.opt-key {
  width: 26px; height: 26px; border-radius: 7px; background: rgba(212, 175, 55, .15);
  color: var(--gold); border: 1px solid rgba(212, 175, 55, .3);
  display: inline-flex; align-items: center; justify-content: center; font-size: 12.5px; font-weight: 700; flex: none;
}

/* 滑块 / 数字 */
.slider-wrap, .num-wrap { margin-top: 16px; }
.slider-wrap input[type="range"] { width: 100%; accent-color: var(--gold); }
.sl-val { text-align: center; font-size: 30px; font-weight: 800; color: var(--gold); margin: 8px 0; }
.num-wrap { display: flex; gap: 10px; align-items: center; }
.num-wrap input {
  flex: 1; background: var(--bg3); border: 1px solid var(--line); border-radius: 10px;
  color: var(--txt); font-size: 20px; padding: 12px 14px; outline: none; font-family: inherit;
}
.num-wrap input:focus { border-color: var(--gold); }
.num-wrap .unit { color: var(--dim); font-size: 15px; white-space: nowrap; }
.num-wrap .btn.big { width: auto; margin-top: 0; flex: none; }

/* 反馈 */
.fb { display: none; margin-top: 14px; background: var(--bg2); border-radius: 14px; padding: 16px; border: 1px solid var(--line); }
.fb.show { display: block; animation: pop .18s ease-out; }
@keyframes pop { from { transform: scale(.97); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.fb.good { border-color: rgba(46, 204, 113, .5); }
.fb.mid { border-color: rgba(240, 180, 41, .5); }
.fb.badx { border-color: rgba(239, 91, 91, .5); }
.fb-title { font-size: 17px; font-weight: 800; margin-bottom: 8px; }
.fb.good .fb-title { color: var(--green); }
.fb.mid .fb-title { color: var(--amber); }
.fb.badx .fb-title { color: var(--red); }
.fb-xp { float: right; color: var(--gold); font-size: 14px; }
.fb-ans { font-size: 14px; margin-bottom: 8px; }
.fb-ans b { color: var(--gold); }
.fb-note { font-size: 13px; color: var(--dim); line-height: 1.7; margin-bottom: 4px; }
.kbd-hint { text-align: center; color: #5a6473; font-size: 11.5px; margin-top: 12px; }

/* ---------- 结果页 ---------- */
.res-hero { text-align: center; background: var(--bg2); border: 1px solid var(--line); border-radius: 16px; padding: 26px 18px; margin: 10px 0 16px; }
.res-hero.good { border-color: rgba(46, 204, 113, .4); }
.res-hero.mid { border-color: rgba(240, 180, 41, .4); }
.res-hero.badx { border-color: rgba(239, 91, 91, .4); }
.res-score { font-size: 52px; font-weight: 900; line-height: 1; }
.res-hero.good .res-score { color: var(--green); }
.res-hero.mid .res-score { color: var(--amber); }
.res-hero.badx .res-score { color: var(--red); }
.res-sub { color: var(--dim); font-size: 13.5px; margin-top: 10px; }
.res-sub b { color: var(--gold); }
.res-title { margin-top: 8px; font-size: 15px; }
.res-mods { display: flex; flex-direction: column; gap: 9px; margin-bottom: 16px; }
.res-mod { display: grid; grid-template-columns: 130px 1fr 46px; align-items: center; gap: 10px; font-size: 13px; }
.res-mod .bar { height: 8px; background: var(--bg3); border-radius: 99px; overflow: hidden; }
.res-mod .bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--teal), var(--green)); border-radius: 99px; }
.res-mod .mono { color: var(--dim); text-align: right; }
.advice { background: rgba(88, 166, 255, .08); border: 1px solid rgba(88, 166, 255, .3); border-radius: 12px; padding: 13px 15px; font-size: 13.5px; line-height: 1.7; margin-bottom: 14px; }
.advice.good { background: rgba(46, 204, 113, .08); border-color: rgba(46, 204, 113, .3); }
.res-btns { display: flex; gap: 10px; }
.res-btns .btn { flex: 1; }

/* ---------- 错题本 ---------- */
.empty { text-align: center; color: var(--dim); padding: 40px 20px; font-size: 14px; }
.wrong-card { background: var(--bg2); border: 1px solid var(--line); border-left: 3px solid var(--line); border-radius: 12px; padding: 14px 16px; margin-bottom: 12px; }
.wrong-card.m-blue { border-left-color: var(--blue); }
.wrong-card.m-teal { border-left-color: var(--teal); }
.wrong-card.m-amber { border-left-color: var(--amber); }
.wrong-card.m-red { border-left-color: var(--red); }
.wrong-card.m-green { border-left-color: var(--green); }
.wrong-head { font-size: 12.5px; color: var(--dim); display: flex; justify-content: space-between; margin-bottom: 10px; }
.wrong-q { font-size: 14px; margin-bottom: 10px; }
.wrong-q .hand { transform: scale(.8); transform-origin: left center; }
.wrong-prompt { color: var(--dim); font-size: 13px; margin-top: 6px; }
.wrong-ans { font-size: 13.5px; color: var(--green); margin-bottom: 6px; }
.wrong-note { font-size: 12.5px; color: var(--dim); line-height: 1.6; }