:root{--bg:#f4efe4;--panel:#192b3b;--panel-soft:#243d52;--text:#f4f8fb;--text-dim:#abc2d4;--line:#6f4f2d;--board:#c99a63;--board-dark:#b8864f}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:Avenir Next,PingFang SC,Microsoft YaHei,sans-serif;background:radial-gradient(circle at 14% 12%,#fff9e7 0,transparent 36%),radial-gradient(circle at 84% 0,#f7dfbc 0,transparent 28%),linear-gradient(140deg,#f6f0e1,#e9dcc3 48%,#f3e8d2);color:#1d2f40;padding:18px}.gameSwitcher{width:min(1560px,100%);margin:0 auto 12px;display:flex;gap:10px;align-items:center}.gameSwitcherTabs{display:flex;gap:10px;flex-wrap:wrap}.githubLink{margin-left:auto;width:42px;height:42px;border-radius:10px;border:1px solid #36546c;background:rgba(22,36,50,.84);color:#d8e6f2;display:inline-flex;align-items:center;justify-content:center;transition:filter .2s ease}.githubLink:hover{filter:brightness(1.08)}.githubLink svg{width:22px;height:22px}.gameSwitcher button{min-width:112px;padding:10px 14px;border-radius:10px;border:1px solid #36546c;background:rgba(22,36,50,.84);color:#d8e6f2;font-weight:700}.gameSwitcher button.active{background:linear-gradient(180deg,#f7cb78,#eba53b);color:#162432;border-color:rgba(162,108,36,.9)}.app{width:min(1560px,100%);margin:0 auto;display:grid;grid-template-columns:minmax(260px,320px) minmax(0,1fr) minmax(260px,320px);grid-gap:18px;gap:18px;align-items:start}.centerPanel,.sidePanel{background:linear-gradient(180deg,var(--panel),#152638 62%,#12202f);border-radius:18px;color:var(--text);box-shadow:0 16px 32px rgba(11,20,30,.24);min-width:0}.sidePanel{padding:18px;display:grid;grid-gap:10px;gap:10px}.sidePanel h2{margin:0;font-size:24px}.ready{margin:0;font-size:13px;font-weight:700}.ready.ok{color:#a9efba}.ready.bad{color:#ffb0b0}.hint,.source{margin:0;color:var(--text-dim);font-size:12px;line-height:1.4}.centerPanel{padding:20px}h1{margin:0;font-size:30px}.sub{margin:6px 0 16px;font-size:14px}.sub,label{color:var(--text-dim)}label{display:grid;grid-gap:6px;gap:6px;font-size:13px}input,select{width:100%;border:1px solid #36556f;border-radius:10px;background:var(--panel-soft);color:var(--text);padding:10px;font-size:14px}input[type=range]{padding:0}.centerControls{display:grid;grid-template-columns:minmax(0,1fr);grid-gap:12px;gap:12px}.xiangqiCenterPanel .centerControls{grid-template-columns:minmax(0,1fr) minmax(220px,1fr)}.actions{display:flex;gap:10px;margin:14px 0;flex-wrap:wrap}button{cursor:pointer;border:0;border-radius:10px;padding:10px 14px;font-size:14px;font-weight:700;color:#162432;background:linear-gradient(180deg,#f7cb78,#eba53b)}button:hover{filter:brightness(1.04)}button.ghost{background:transparent;color:#c9d8e6;border:1px solid #36546c}.status{margin:0;min-height:22px;color:#ffe8a8;font-size:14px}.error,.reason{margin:8px 0 0;font-size:13px}.reason{color:#d0e4ff}.error{color:#ffb5b5}.boardWrap{margin-top:14px;width:100%;background:hsla(0,0%,100%,.72);border:1px solid hsla(36,37%,60%,.8);border-radius:18px;display:grid;place-items:center;padding:clamp(10px,2vw,18px);box-shadow:0 16px 32px rgba(81,51,18,.16);overflow:hidden}.board{width:min(100%,780px);aspect-ratio:1/1;max-width:780px;border-radius:16px;background:linear-gradient(145deg,var(--board),var(--board-dark));box-shadow:inset 0 0 0 1px rgba(111,79,45,.7),inset 0 18px 26px rgba(255,235,208,.22),0 16px 28px rgba(111,79,45,.28);touch-action:manipulation}.board,.boardXiangqi{height:auto;max-height:none}.boardXiangqi{width:min(100%,664px);max-width:664px;aspect-ratio:664/706}.xiangqiMetaBar{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 12px}.sideChip,.turnChip{display:inline-flex;align-items:center;min-height:30px;padding:0 10px;border-radius:999px;border:1px solid rgba(160,188,208,.35);background:rgba(125,154,176,.14);color:#d7e8f4;font-size:12px;font-weight:700}.sideChip.active{color:#fff6df;border-color:rgba(255,224,162,.65);box-shadow:inset 0 0 0 1px rgba(255,218,153,.24)}.sideChip.red.active{background:rgba(182,49,42,.28)}.sideChip.white.active{background:rgba(214,225,235,.22)}.sideChip.black.active{background:rgba(33,46,61,.52)}.turnChip{background:hsla(37,78%,67%,.18);color:#ffe4ae;border-color:rgba(255,214,138,.38)}.xiangqiHintCard{border:1px solid rgba(153,182,207,.34);border-radius:12px;background:rgba(148,176,199,.14);color:#d6e8f8;padding:10px 12px}.xiangqiHintCard p{margin:0;font-size:12px;line-height:1.4}.xiangqiHintCard p+p{margin-top:6px}.xiangqiTrail .moveTrail{display:grid;grid-gap:6px;gap:6px}.xiangqiTrail .moveTrail p{margin:0;font-size:12px;color:#d8e8f5}.chessBoard{width:min(100%,664px);max-width:664px;aspect-ratio:1/1;border-radius:14px;overflow:hidden;border:1px solid rgba(112,84,42,.75);box-shadow:inset 0 0 0 1px rgba(255,245,223,.4),0 12px 24px rgba(62,41,20,.28);display:grid;grid-template-rows:repeat(8,minmax(0,1fr))}.chessRow{display:grid;grid-template-columns:repeat(8,minmax(0,1fr))}.chessCell{display:grid;place-items:center;aspect-ratio:1/1}.chessCell.light{background:#f4d9b5}.chessCell.dark{background:#b88657}.chessCell.last{box-shadow:inset 0 0 0 3px rgba(90,178,248,.64)}.chessPieceToken{width:clamp(24px,62%,44px);height:clamp(24px,62%,44px);border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-weight:800;letter-spacing:.02em;font-size:clamp(13px,2.6vw,19px)}.chessPieceToken.white{background:radial-gradient(circle at 32% 28%,#fff,#e9ecef 72%);color:#1a2a39;border:1px solid rgba(44,62,80,.32)}.chessPieceToken.black{background:radial-gradient(circle at 30% 24%,#4f6780,#233446 72%);color:#f1f7ff;border:1px solid rgba(14,25,35,.6)}.chessHintCard{border:1px solid rgba(153,182,207,.34);border-radius:12px;background:rgba(148,176,199,.14);color:#d6e8f8;padding:10px 12px}.chessHintCard p{margin:0;font-size:12px;line-height:1.4}.chessHintCard p+p{margin-top:6px}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid #ffd78c;outline-offset:2px}.stats{margin-top:14px;display:grid;grid-template-columns:repeat(3,1fr);grid-gap:10px;gap:10px}.stats>div{background:rgba(145,172,196,.16);border:1px solid rgba(163,188,210,.34);border-radius:10px;text-align:center;padding:8px}.stats span{display:block;font-size:12px;color:#cfe0ee}.stats strong{font-size:24px;color:#fff7de}.summary{margin-top:14px;color:#d6e5f2;font-size:13px}.summary summary{cursor:pointer;color:#ffe1ac;-webkit-user-select:none;-moz-user-select:none;user-select:none}.summary p{margin:6px 0;line-height:1.4}.thoughtSection{margin-top:4px;border-top:1px solid rgba(130,162,187,.36);padding-top:10px;display:grid;grid-gap:8px;gap:8px}.thoughtSection h3{margin:0;font-size:14px;color:#ffe9b8}.emptyThought,.thinkingNow{margin:0;color:#cfe0ee;font-size:12px}.thinkingNow{color:#ffd590}.thoughtList{display:grid;grid-gap:8px;gap:8px;max-height:300px;overflow-y:auto;padding-right:4px}.thoughtItem{border:1px solid rgba(130,162,187,.32);background:rgba(160,187,210,.12);border-radius:10px;padding:8px}.thoughtItem p{margin:0;font-size:12px;line-height:1.45}.thoughtHead{color:#f9f3df;font-weight:700}.thoughtMove{margin-top:4px;color:#dce8f2}.thoughtReason,.thoughtText{margin-top:4px;color:#bdd1e2}@media (max-width:1320px){.app{grid-template-columns:minmax(230px,290px) minmax(0,1fr) minmax(230px,290px)}.boardXiangqi{height:auto}.boardXiangqi,.chessBoard{width:min(100%,620px)}}@media (max-width:1080px){body{padding:14px}.app{grid-template-columns:1fr}.gameSwitcher{margin-bottom:10px}.githubLink{width:40px;height:40px}.centerControls{grid-template-columns:1fr}.board,.boardXiangqi{height:auto}.board,.boardXiangqi,.chessBoard{width:min(92vw,640px)}.thoughtList{max-height:220px}}