:root{--ink:#15171f;--muted:#687082;--paper:#f5f7fb;--panel:#ffffff;--line:rgba(24,29,41,0.12);--green:#9bb68a;--ivory:#f0ead8;--blue:#2779d9;--red:#d94848;--gold:#e3a82b}*{box-sizing:border-box}body,html{margin:0;min-height:100%;overflow:hidden;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.pageShell{width:min(100%,1100px);height:100svh;margin:0 auto;padding:4px;overflow:hidden}button{color:inherit;font:inherit;-webkit-tap-highlight-color:transparent}.appShell{width:100%;height:calc(100svh - 60px);margin:0 auto;display:grid;grid-template-rows:38px minmax(0,1fr) 36px 34px 50px 28px;grid-gap:6px;gap:6px}.hero{height:58px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:6px}.heroCopy{max-width:560px;margin:4px 0 0;color:var(--muted);font-size:.76rem;line-height:1.2}.topBar{min-height:38px;display:grid;grid-template-columns:minmax(0,1fr) 38px 38px;align-items:center;grid-gap:8px;gap:8px}.eyebrow,.tinyLabel{margin:0;color:var(--muted);font-size:.72rem;font-weight:760;letter-spacing:0;text-transform:uppercase}h1,h2{margin:2px 0 0;font-size:1.25rem;line-height:1;letter-spacing:0}h2{font-size:1.02rem}.iconButton{width:38px;height:38px;border:1px solid var(--line);border-radius:8px;background:var(--panel);display:grid;place-items:center;box-shadow:0 8px 24px rgba(37,43,58,.08)}.iconButton:disabled{opacity:.35}.boardZone{min-height:0;display:grid;place-items:center}.boardFrame{width:100%;height:min(100%,calc(100vw - 8px));min-width:0;aspect-ratio:1;padding:6px;border:1px solid rgba(31,36,50,.16);border-radius:8px;background:#343844;box-shadow:0 18px 40px rgba(34,40,52,.22)}.boardGrid{width:100%;height:100%;grid-template-columns:repeat(8,minmax(0,1fr));grid-template-rows:repeat(8,minmax(0,1fr));overflow:hidden;border-radius:5px}.boardGrid,.square{position:relative;display:grid}.square{place-items:center;min-width:0;min-height:0;border:0;padding:0;isolation:isolate}.square.light{background:var(--ivory)}.square.dark{background:var(--green)}.square.selected{box-shadow:inset 0 0 0 4px rgba(227,168,43,.86)}.piece{position:relative;z-index:5;font-family:Times New Roman,serif;font-size:clamp(1.7rem,9.4vw,3.25rem);line-height:1;text-shadow:0 2px 6px rgba(0,0,0,.28);transform:translateY(-1px)}.piece.beginner{width:88%;aspect-ratio:.86;border-radius:6px;display:grid;place-items:center;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:clamp(1.18rem,6.8vw,2.4rem);font-weight:900;border:0;text-shadow:none;box-shadow:none}.pieceIcon{line-height:.9;transform:translateY(-5%)}.pieceBadge{position:absolute;left:50%;bottom:4%;translate:-50% 0;min-width:42%;height:24%;border-radius:3px;display:grid;place-items:center;font-size:clamp(.42rem,2.3vw,.78rem);font-weight:900;line-height:1}.piece.w{color:#f8f4e7}.piece.b{color:#1c202a}.piece.w.beginner{background:transparent;color:#242832}.piece.b.beginner{background:transparent;color:#05070a}.piece.w.beginner .pieceIcon{color:#ffffff;-webkit-text-stroke:1.5px #161a22;filter:drop-shadow(0 2px 2px rgba(0,0,0,.18))}.piece.b.beginner .pieceIcon{color:#05070a;filter:drop-shadow(0 2px 2px rgba(0,0,0,.28))}.piece.w.beginner .pieceBadge{background:#ffffff;color:#15171f;border:1px solid rgba(21,23,31,.28)}.piece.b.beginner .pieceBadge{background:#11151d;color:#ffffff}.piece.ghost{position:absolute;z-index:8;opacity:.42;filter:drop-shadow(0 0 8px rgba(39,121,217,.78));animation:ghostPulse .72s ease both}.piece.isDeparting{opacity:0}.piece.mover{position:absolute;z-index:20;width:12.5%;height:12.5%;display:grid;place-items:center;pointer-events:none;translate:-50% -50%;animation:movePiece .36s cubic-bezier(.2,.72,.24,1) forwards}.candidateTag,.legalDot,.visionOverlay{position:absolute;pointer-events:none}.visionOverlay{inset:13%;z-index:2;border:2px solid rgba(39,121,217,.34);border-radius:999px}.legalDot{z-index:6;width:28%;aspect-ratio:1;border-radius:50%;background:rgba(21,23,31,.26)}.candidateTag{z-index:9;top:5px;left:5px;width:12px;height:12px;display:grid;place-items:center;border-radius:50%;color:#fff;font-size:.76rem;font-weight:860;background:#2f8f55;box-shadow:0 4px 10px rgba(0,0,0,.28)}.candidateTag.target{left:auto;right:5px;background:#2f8f55;color:#15171f}.candidateRank:before,.candidateTag:before{content:"";width:58%;height:58%;display:block;background:currentColor}.candidateRank.circle:before,.candidateTag.circle:before{border-radius:50%}.candidateRank.diamond:before,.candidateTag.diamond:before{rotate:45deg}.candidateRank.star:before,.candidateTag.star:before{-webkit-clip-path:polygon(50% 0,61% 34%,98% 35%,68% 56%,79% 91%,50% 70%,21% 91%,32% 56%,2% 35%,39% 34%);clip-path:polygon(50% 0,61% 34%,98% 35%,68% 56%,79% 91%,50% 70%,21% 91%,32% 56%,2% 35%,39% 34%)}.candidateTag.green{background:#2f8f55;color:#fff}.candidateTag.blue{background:#2779d9;color:#fff}.candidateTag.purple{background:#7b4fd6;color:#fff}.controlRail{display:grid;grid-template-columns:1fr 1fr;grid-gap:8px;gap:8px}.modeButton,.toolButton{min-height:36px;border-radius:8px;border:1px solid var(--line);background:var(--panel);display:flex;align-items:center;justify-content:center;gap:7px;font-size:.8rem;font-weight:780}.toolButton.isActive{background:#17202d;color:#fff}.candidatePanel{border:1px solid var(--line);border-radius:8px;background:var(--panel);padding:5px;box-shadow:0 12px 30px rgba(37,43,58,.1)}.modeButton{box-shadow:none}.modeButton.isActive{background:#17202d;color:#fff}.levelPanel{border:1px solid var(--line);border-radius:8px;background:var(--panel);padding:5px;box-shadow:0 10px 24px rgba(37,43,58,.08)}.panelHeader{display:flex;align-items:center;justify-content:space-between;margin-bottom:5px}.candidatePanel .panelHeader,.panelHeader.compact{display:none}.panelHeader strong{display:block;margin-top:1px;font-size:.82rem}.candidateList{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:6px;gap:6px}.candidateButton{min-width:0;min-height:38px;border:1px solid rgba(24,29,41,.11);border-radius:8px;background:#f9fafc;padding:5px;text-align:left;display:grid;grid-template-columns:18px minmax(0,1fr);grid-template-rows:auto auto;grid-column-gap:6px;column-gap:6px;align-items:center}.candidateButton.tone0{border-color:rgba(47,143,85,.45)}.candidateButton.tone1{border-color:rgba(39,121,217,.45)}.candidateButton.tone2{border-color:rgba(123,79,214,.45)}.candidateButton.isPreviewing{border-color:rgba(39,121,217,.7);background:#edf6ff}.candidateButton:disabled{opacity:.62}.candidateRank{grid-row:1/3;width:16px;height:16px;border-radius:50%;background:#15171f;color:#fff;display:grid;place-items:center}.tone0 .candidateRank{background:#2f8f55}.tone1 .candidateRank{background:#2779d9}.tone2 .candidateRank{background:#7b4fd6}.candidateMain{font-weight:880;font-size:.8rem}.candidateLine,.candidateMain{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.candidateLine{color:var(--muted);font-size:.62rem}.levelTabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:7px;gap:7px}.levelTab{min-height:24px;border:1px solid rgba(24,29,41,.11);border-radius:8px;background:#f9fafc;font-size:.78rem;font-weight:840}.levelTab.isActive{background:#17202d;color:#fff}.rulesPanel{border:1px solid var(--line);border-radius:8px;background:var(--panel);overflow:hidden;min-height:28px;max-height:28px}.rulesPanel[open]{max-height:92px;position:fixed;left:6px;right:6px;bottom:6px;z-index:40;box-shadow:0 18px 40px rgba(34,40,52,.22)}.rulesPanel summary{min-height:28px;padding:0 10px;display:flex;align-items:center;gap:8px;cursor:pointer;font-size:.78rem;font-weight:840;list-style:none}.rulesPanel summary::-webkit-details-marker{display:none}.rulesGrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:4px;gap:4px;padding:0 10px 5px}.rulesGrid,.rulesPanel p{font-size:.68rem;color:var(--muted)}.rulesPanel p{margin:0;padding:0 10px 6px;line-height:1.25}.previewClean .candidateButton:not(.isPreviewing),.previewClean .controlRail,.previewClean .levelPanel{opacity:0;pointer-events:none}.previewClean .candidatePanel{background:transparent;border-color:transparent;box-shadow:none}.gameOverModal{position:fixed;inset:0;z-index:60;display:grid;align-items:end;padding:14px;background:rgba(21,23,31,.18)}.gameOverCard{width:min(100%,430px);margin:0 auto;border:1px solid rgba(24,29,41,.14);border-radius:8px;background:var(--panel);padding:14px;box-shadow:0 22px 50px rgba(34,40,52,.28)}.gameOverCard h2{margin-top:4px;font-size:1.28rem}.gameOverCard p:not(.tinyLabel){margin:6px 0 12px;color:var(--muted);font-size:.86rem;line-height:1.35}.gameOverActions{display:grid;grid-template-columns:1fr 1fr;grid-gap:8px;gap:8px}.gameOverActions button{min-height:42px;border:1px solid var(--line);border-radius:8px;background:#f9fafc;font-weight:840}.gameOverActions button:first-child{background:#17202d;color:#fff}.infoSections{display:none;gap:10px;margin-top:14px}.infoSections article{border-top:1px solid var(--line);padding-top:12px}.infoSections h2{margin:0;font-size:1rem}.infoSections p{margin:5px 0 0;color:var(--muted);font-size:.92rem;line-height:1.45}@keyframes ghostPulse{0%{transform:scale(.82) translateY(-1px)}to{transform:scale(1) translateY(-1px)}}@keyframes movePiece{0%{transform:scale(1)}55%{transform:scale(1.08)}to{left:var(--to-left);top:var(--to-top);transform:scale(1)}}@media (min-width:760px){body,html{overflow:auto}.pageShell{padding:22px 24px 32px;height:auto;overflow:visible}.hero{min-height:116px;height:auto}.heroCopy{font-size:.94rem;line-height:1.35}.appShell{width:min(100%,1060px);height:auto;min-height:680px;grid-template-columns:minmax(390px,56svh) minmax(300px,420px);grid-template-rows:auto 1fr auto auto auto;align-items:center;column-gap:26px;padding:24px}.topBar{grid-column:1/3}.boardZone{grid-row:2/4}.boardFrame{width:min(100%,66svh);height:auto}.controlRail{align-self:end}.candidatePanel{align-self:start}.candidatePanel .panelHeader{display:flex}.rulesPanel{max-height:none}.rulesPanel[open]{position:static;box-shadow:none}.levelPanel{align-self:end}.infoSections{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:20px}}