/* ============================================================
   五子棋 · 设置页 + 对局页
   明亮圆润
   ============================================================ */

/* ---------- 页头 ---------- */
.pg-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:6px}
.pg-title{font-size:clamp(28px,4.4vw,38px);font-weight:900;letter-spacing:-.02em;line-height:1.1}
.pg-sub{font-size:13.5px;color:var(--ink-3);margin-top:7px}
.pg-head-art{
  width:108px;height:108px;border-radius:22px;overflow:hidden;flex-shrink:0;
  box-shadow:0 8px 22px -10px rgba(160,120,80,.45);
  border:1px solid var(--line);
}
.pg-head-art canvas{width:100%;height:100%}
@media(max-width:620px){.pg-head-art{width:76px;height:76px;border-radius:16px}}

/* ---------- 设置主区 ---------- */
.setup-main{
  display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px;
  align-items:start;
}
@media(max-width:1040px){.setup-main{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.setup-main{grid-template-columns:1fr}}

.setup-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  padding:18px;
  box-shadow:var(--sh-1);
}
.sc-head{display:flex;align-items:center;gap:8px;margin-bottom:14px;flex-wrap:wrap}
.sc-num{
  width:22px;height:22px;border-radius:8px;flex-shrink:0;
  display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary-d);
  font-size:11.5px;font-weight:900;
}
.sc-title{font-size:14px;font-weight:800}
.sc-hint{font-size:11px;color:var(--ink-4);margin-left:auto}

/* ---------- 难度按钮 ---------- */
.diff-row{display:grid;gap:7px}
.diff-btn{
  --dc:#4ecdc4;
  display:flex;align-items:center;gap:10px;
  padding:9px 12px;border-radius:13px;
  border:1.5px solid var(--line);
  background:var(--surface-2);
  text-align:left;
  transition:all .18s var(--ease);
}
.diff-btn:hover{background:var(--surface);border-color:var(--line-2);transform:translateX(2px)}
.diff-btn.on{
  border-color:var(--dc);
  background:color-mix(in srgb, var(--dc) 10%, #fff);
  box-shadow:0 0 0 3px color-mix(in srgb, var(--dc) 14%, transparent);
}
.db-num{
  width:24px;height:24px;border-radius:8px;flex-shrink:0;
  display:grid;place-items:center;
  background:var(--surface-3);color:var(--ink-3);
  font-size:12px;font-weight:800;
}
.diff-btn.on .db-num{background:var(--dc);color:#fff}
.db-name{font-size:13px;font-weight:700;color:var(--ink-2);flex:1}
.diff-btn.on .db-name{color:var(--ink)}
.db-tag{font-size:10.5px;color:var(--ink-4);flex-shrink:0}
.diff-btn.on .db-tag{color:var(--ink-3)}

.diff-desc{
  font-size:11.5px;color:var(--ink-3);line-height:1.6;margin-top:10px;
  padding:9px 11px;border-radius:10px;background:var(--surface-2);
  min-height:3em;
}

/* ---------- 对手按钮 ---------- */
.coach-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}
@media(max-width:400px){.coach-grid{grid-template-columns:repeat(3,1fr)}}
.coach-btn{
  --ac:#4ecdc4; --ac2:#5b9cf5;
  display:flex;flex-direction:column;align-items:center;gap:5px;
  padding:10px 4px;border-radius:13px;
  border:1.5px solid var(--line);
  background:var(--surface-2);
  transition:all .18s var(--ease);
}
.coach-btn:hover{background:var(--surface);border-color:var(--line-2);transform:translateY(-2px)}
.coach-btn.on{
  border-color:var(--ac);
  background:color-mix(in srgb, var(--ac) 10%, #fff);
  box-shadow:0 0 0 3px color-mix(in srgb, var(--ac) 14%, transparent);
}
.cb-avatar{
  width:32px;height:32px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,var(--ac),var(--ac2));
  color:#fff;font-size:14px;font-weight:800;
  box-shadow:0 3px 8px -3px color-mix(in srgb, var(--ac) 70%, transparent);
}
.cb-name{font-size:11.5px;font-weight:700;color:var(--ink-2);line-height:1.2}
.coach-btn.on .cb-name{color:var(--ink)}
.cb-role{font-size:9px;color:var(--ink-4);line-height:1.2;text-align:center}

/* 对手详情 */
.coach-detail{margin-top:12px}
.cd-row{display:flex;gap:11px;align-items:flex-start}
.cd-avatar{
  width:42px;height:42px;border-radius:13px;flex-shrink:0;
  display:grid;place-items:center;color:#fff;font-size:18px;font-weight:800;
  box-shadow:0 4px 12px -4px rgba(0,0,0,.2);
}
.cd-main{flex:1;min-width:0}
.cd-name{font-size:13.5px;font-weight:800;display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.cd-role{font-size:10px;font-weight:600;padding:2px 7px;border-radius:6px;background:var(--surface-3);color:var(--ink-3)}
.cd-blurb{font-size:11.5px;color:var(--ink-3);line-height:1.55;margin-top:4px}
.cd-chips{display:flex;gap:4px;flex-wrap:wrap;margin-top:7px}

/* ---------- 开始卡 ---------- */
.launch-card{
  background:linear-gradient(160deg,#fff8f2,#fff);
  border-color:#ffe0cc;
}
.launch-label{font-size:11.5px;font-weight:700;color:var(--ink-4);margin:12px 0 6px}
.side-seg{display:flex;width:100%;gap:3px;padding:3px;border-radius:11px;background:var(--surface-3)}
.side-seg button{
  flex:1;display:flex;align-items:center;justify-content:center;gap:5px;
  padding:8px 4px;border-radius:8px;font-size:11.5px;font-weight:600;color:var(--ink-3);transition:.16s;
}
.side-seg button.on{background:var(--surface);color:var(--ink);box-shadow:var(--sh-1)}
.side-dot{width:9px;height:9px;border-radius:50%;flex-shrink:0;border:1px solid rgba(0,0,0,.15)}
.side-dot.black{background:#374151}
.side-dot.white{background:#fff}

.launch-toggles{margin:12px 0 4px;display:grid;gap:2px}
.toggle-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:6px 0}
.tr-text b{font-size:12px;font-weight:700;display:block;color:var(--ink-2)}
.tr-text span{font-size:10.5px;color:var(--ink-4);display:block;margin-top:1px;line-height:1.4}

/* 开始按钮 */
.btn-start{
  width:100%;display:flex;align-items:center;gap:11px;
  padding:14px 16px;border-radius:15px;margin-top:6px;
  background:linear-gradient(135deg,var(--primary),#ffa87f);
  color:#fff;
  box-shadow:0 8px 22px -8px rgba(255,138,91,.75);
  transition:all .18s var(--ease);
}
.btn-start:hover{transform:translateY(-2px);box-shadow:0 12px 28px -8px rgba(255,138,91,.85)}
.btn-start:active{transform:translateY(0)}
.bs-icon{
  width:28px;height:28px;border-radius:9px;flex-shrink:0;
  display:grid;place-items:center;font-size:12px;
  background:rgba(255,255,255,.25);
}
.bs-text{font-size:15px;font-weight:800;letter-spacing:.02em}
.bs-hint{margin-left:auto;font-size:10.5px;opacity:.85;font-weight:600}

/* AI 状态条 */
.ai-mini-bar{
  display:flex;align-items:center;gap:7px;
  padding:8px 11px;border-radius:11px;
  background:var(--surface-2);
  font-size:11px;color:var(--ink-3);
}
.amb-dot{width:7px;height:7px;border-radius:50%;background:var(--ink-4);flex-shrink:0}
.amb-dot.on{background:var(--green);box-shadow:0 0 0 3px var(--green-soft)}
.amb-text{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.amb-link{font-size:11px;font-weight:700;color:var(--primary-d);flex-shrink:0}

/* ---------- 下方信息卡 ---------- */
.info-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
@media(max-width:760px){.info-cards{grid-template-columns:1fr}}

/* ============================================================
   对局页
   ============================================================ */
.match-bar{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:8px 10px;border-radius:15px;
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.mbtn{
  display:flex;align-items:center;gap:5px;
  padding:6px 10px;border-radius:9px;
  font-size:12px;font-weight:600;color:var(--ink-3);
  transition:.15s;
}
.mbtn:hover{background:var(--surface-3);color:var(--ink)}
.mbtn svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2}
.mb-title-wrap{display:flex;flex-direction:column;line-height:1.2}
.mb-title{font-size:13.5px;font-weight:800}
.mb-sub{font-size:10.5px;color:var(--ink-4)}
.mb-spacer{flex:1}
.mb-clock{
  font-family:var(--font-mono);font-size:13px;font-weight:700;
  color:var(--ink-3);padding:0 6px;
}
.mb-tools{display:flex;gap:4px;flex-wrap:wrap}
.mtool{
  display:flex;align-items:center;gap:4px;
  padding:6px 9px;border-radius:9px;
  font-size:11.5px;font-weight:600;color:var(--ink-3);
  transition:.15s;
}
.mtool:hover{background:var(--primary-soft);color:var(--primary-d)}
.mtool svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.8}
.mtool.icon-only{padding:6px}
@media(max-width:560px){
  .mtool span:not(.icon-only){display:none}
  .mbtn-txt{display:none}
}

/* 玩家条 */
.player-strip{
  display:flex;align-items:center;gap:10px;
  padding:9px 13px;border-radius:13px;
  background:var(--surface);
  border:1.5px solid var(--line);
  transition:all .25s var(--ease);
}
.player-strip.active{
  border-color:var(--mint);
  background:linear-gradient(100deg,var(--mint-soft),var(--surface));
  box-shadow:0 0 0 3px rgba(78,205,196,.14);
}
.player-strip.thinking{
  border-color:var(--primary);
  background:linear-gradient(100deg,var(--primary-soft),var(--surface));
}
.ps-dot{width:28px;height:28px;border-radius:50%;flex-shrink:0;border:1px solid rgba(0,0,0,.1)}
.ps-dot.black{background:radial-gradient(circle at 32% 28%,#5a6270,#1f2937 72%)}
.ps-dot.white{background:radial-gradient(circle at 32% 28%,#fff,#e3e6ea 75%)}
.ps-info{flex:1;min-width:0}
.ps-name{font-size:13px;font-weight:800}
.ps-role{font-size:10.5px;color:var(--ink-4)}
.ps-spacer{flex:1}
.ps-clock{
  font-family:var(--font-mono);font-size:13px;font-weight:700;
  color:var(--ink-3);font-variant-numeric:tabular-nums;
}
.ps-clock.low{color:var(--primary-d);animation:breathe 1.3s infinite}
@keyframes breathe{0%,100%{opacity:.6}50%{opacity:1}}

/* 侧栏 */
.play-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 370px;
  gap:16px;align-items:start;
}
@media(max-width:1080px){.play-layout{grid-template-columns:1fr}}
.play-main{display:flex;flex-direction:column;gap:10px;min-width:0}
.play-side{position:sticky;top:calc(var(--header-h) + 12px)}
@media(max-width:1080px){.play-side{position:static}}

.chat-tabs{
  display:flex;gap:3px;padding:3px;border-radius:12px;
  background:var(--surface-3);margin-bottom:8px;
}
.chat-tab{
  flex:1;padding:7px;border-radius:9px;
  font-size:12px;font-weight:700;color:var(--ink-3);transition:.15s;
}
.chat-tab.on{background:var(--surface);color:var(--ink);box-shadow:var(--sh-1)}
.chat-pane{display:none}
.chat-pane.on{display:block;animation:fade-up .25s var(--ease-out)}

.chat-panel{
  display:flex;flex-direction:column;
  height:min(64vh,600px);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.chat-head{
  display:flex;align-items:center;gap:9px;
  padding:11px 13px;
  border-bottom:1px solid var(--line);
  background:var(--surface-2);
  flex-shrink:0;
}
.ch-avatar{
  width:32px;height:32px;border-radius:11px;flex-shrink:0;
  display:grid;place-items:center;color:#fff;font-size:14px;font-weight:800;
}
.ch-info{flex:1;min-width:0;line-height:1.25}
.ch-info b{font-size:12.5px;font-weight:800;display:block}
.ch-info span{font-size:10px;color:var(--ink-4)}
.ch-gear{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;color:var(--ink-4);transition:.15s}
.ch-gear:hover{background:var(--surface-3);color:var(--ink-2)}
.ch-gear svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.8}

.chat-feed{
  flex:1;overflow-y:auto;padding:12px;
  display:flex;flex-direction:column;gap:10px;
  background:var(--bg);
}

.chat-msg{display:flex;gap:8px;animation:fade-up .3s var(--ease-out) both}
.cm-avatar{
  width:24px;height:24px;border-radius:8px;flex-shrink:0;
  display:grid;place-items:center;
  font-size:10.5px;font-weight:800;
  margin-top:1px;
}
.cm-avatar.coach{background:var(--primary-soft);color:var(--primary-d)}
.cm-avatar.llm{background:var(--violet-soft);color:#7a68d4}
.cm-avatar.you{background:var(--mint-soft);color:#2d9e93}
.cm-avatar.sys{background:var(--surface-3);color:var(--ink-4)}
.cm-body{flex:1;min-width:0}
.cm-meta{display:flex;align-items:center;gap:6px;margin-bottom:2px;flex-wrap:wrap}
.cm-who{font-size:10.5px;font-weight:800;color:var(--ink-2)}
.cm-kind{font-size:9px;color:var(--ink-4);background:var(--surface-3);padding:1px 6px;border-radius:5px}
.cm-ms{font-size:9px;color:var(--ink-4);font-family:var(--font-mono)}
.cm-text{
  font-size:12.5px;line-height:1.62;color:var(--ink-2);
  background:var(--surface);
  padding:8px 11px;border-radius:12px;
  border:1px solid var(--line);
  word-break:break-word;
}
.cm-text.typing{color:var(--ink-4);letter-spacing:.2em}
.cm-tip{
  margin-top:5px;padding:7px 10px;border-radius:10px;
  background:var(--yellow-soft);color:#8a6a12;
  font-size:11px;line-height:1.55;
}
.cm-eval{
  margin-top:5px;display:inline-flex;align-items:center;gap:6px;
  padding:3px 9px;border-radius:7px;
  background:var(--surface-3);font-size:10px;font-weight:700;
}
.cm-eval .g-brilliant{color:#2d9e93}
.cm-eval .g-good{color:#3d8b5f}
.cm-eval .g-ok{color:var(--ink-3)}
.cm-eval .g-inaccuracy{color:#b8890f}
.cm-eval .g-mistake{color:#d1743f}
.cm-eval .g-blunder{color:#d1503f}
.cm-loss{color:var(--ink-4);font-weight:500}

.chat-input{
  display:flex;gap:7px;padding:9px;
  border-top:1px solid var(--line);
  background:var(--surface);
  flex-shrink:0;
}
.chat-input input{
  flex:1;min-width:0;padding:9px 12px;border-radius:10px;
  border:1.5px solid var(--line);background:var(--surface-2);
  font-size:12.5px;outline:none;transition:.16s;
}
.chat-input input:focus{border-color:var(--primary);background:var(--surface)}
.chat-input input::placeholder{color:var(--ink-4)}
.send-btn{
  width:36px;height:36px;border-radius:10px;flex-shrink:0;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),#ffa87f);
  color:#fff;
  box-shadow:0 3px 10px -3px rgba(255,138,91,.6);
}
.send-btn svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}

/* 棋谱 */
.move-log{display:flex;flex-direction:column;gap:2px;max-height:min(64vh,600px);overflow-y:auto;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);padding:8px}
.mlog-row{
  display:flex;align-items:center;gap:9px;
  padding:7px 10px;border-radius:9px;
  font-size:12px;
  transition:.15s;
}
.mlog-row:hover{background:var(--surface-2)}
.mlog-row.last{background:var(--primary-soft)}
.ml-num{width:24px;font-family:var(--font-mono);font-size:10.5px;color:var(--ink-4);flex-shrink:0}
.ml-dot{width:13px;height:13px;border-radius:50%;flex-shrink:0;border:1px solid rgba(0,0,0,.12)}
.ml-dot.b{background:#374151}
.ml-dot.w{background:#fff}
.ml-coord{font-family:var(--font-mono);font-weight:700;font-size:12px;color:var(--ink-2);flex-shrink:0}
.ml-grade{
  margin-left:auto;font-size:10px;font-weight:800;
  padding:2px 7px;border-radius:6px;
  background:var(--surface-3);
}
.ml-tag{margin-left:auto;font-size:10px;color:var(--ink-4)}
.g-brilliant{color:#2d9e93;background:var(--mint-soft)}
.g-good{color:#3d8b5f;background:var(--green-soft)}
.g-ok{color:var(--ink-3)}
.g-inaccuracy{color:#b8890f;background:var(--yellow-soft)}
.g-mistake{color:#d1743f;background:#fff2e8}
.g-blunder{color:#d1503f;background:var(--red-soft)}

/* 形势 */
.insight-body{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-l);padding:16px;
  min-height:200px;
}
.ib-title{font-size:16px;font-weight:800;margin-bottom:6px}
.ib-text{font-size:11.5px;color:var(--ink-3);line-height:1.6;margin-bottom:14px}
.bar-row{display:grid;grid-template-columns:62px 1fr 40px;align-items:center;gap:8px;margin-bottom:9px}
.br-label{font-size:10.5px;color:var(--ink-4)}
.bar-track{height:7px;border-radius:99px;background:var(--surface-3);overflow:hidden}
.bar-track i{display:block;height:100%;border-radius:99px;transition:width .5s var(--ease-out)}
.bar-row b{font-size:10px;color:var(--ink-3);text-align:right}
.ib-chips{display:flex;gap:5px;flex-wrap:wrap;margin-top:14px}

/* 战绩 */
.stat-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
@media(max-width:640px){.stat-cards{grid-template-columns:repeat(2,1fr)}}
.stat-card{
  padding:18px 14px;border-radius:var(--r-l);
  background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--sh-1);
  border-top:3px solid var(--sc);
}
.sc-value{font-size:26px;font-weight:900;line-height:1.1;color:var(--ink)}
.sc-label{font-size:11px;color:var(--ink-4);margin-top:4px}
.stat-row{
  display:flex;align-items:center;gap:12px;
  padding:11px 0;border-bottom:1px solid var(--line);
}
.stat-row:last-child{border-bottom:0}
.sr-name{font-size:13px;font-weight:700}
.sr-role{font-size:10.5px;color:var(--ink-4)}
.sr-num{font-size:12px;color:var(--ink-3);margin-left:auto}
.sr-win{font-size:12px;font-weight:700;color:#3d8b5f;width:52px;text-align:right}