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8px;font-size:10.5px;font-weight:800}.echo-win .echo-badge{background:var(--danger)}.event-section{border-top:1px solid var(--line-soft);flex:1;width:100%;min-height:0;padding-top:13px}.notation-heading{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:9px;display:flex}.notation-heading .panel-label{color:var(--text-primary);font-family:var(--font-body);letter-spacing:0;margin-bottom:0;font-size:12px;font-weight:800}.notation-counts{color:var(--text-muted);flex-wrap:wrap;flex:168px;justify-content:flex-end;gap:12px;margin-left:auto;font-size:11px;display:flex}.notation-counts span{white-space:nowrap;align-items:center;gap:5px;display:flex}.mini-stone{width:11px;height:11px}.event-list{flex-direction:column;gap:1px;font-size:12px;display:flex}.event-list li{min-width:0;color:var(--text-secondary);border-radius:6px;grid-template-columns:18px 11px 1fr;align-items:center;gap:9px;padding:6px 8px;line-height:1.35;display:grid}.event-list 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.9);width:60px}.result-nucleus-mark{z-index:2;color:#f4edda;border:2px solid;border-radius:3px;width:22px;height:22px;position:relative;transform:rotate(45deg)}.result-stone-white .result-nucleus-mark{color:#4f463b}.result-draw-stone{border-radius:50%;width:48px;height:48px;box-shadow:0 6px 13px #4634183d}.result-equals{color:var(--draw);font-family:var(--font-mono);margin:0 14px;font-size:22px}.result-card h2{font-family:var(--font-display);margin:0;font-size:42px;font-weight:800;line-height:1}.result-reason{border:1px solid rgba(var(--result-echo-rgb), .35);background:rgba(var(--result-echo-rgb), .1);color:var(--result-echo-strong);border-radius:20px;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;margin:15px 0 0;padding:7px 12px;font-size:12.5px;font-weight:700;line-height:1.45;display:inline-flex}.result-reason span{color:inherit;font-weight:600}.result-reason-draw{border-color:var(--line-soft);color:var(--text-secondary);background:#2e26200d}.result-card .result-actions{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;width:100%;margin-top:22px;display:grid}.result-card .result-actions>button{min-width:0;padding-inline:10px}.result-card-won .primary-button{border-color:var(--result-echo-strong);background:var(--result-echo);box-shadow:0 10px 24px rgba(var(--result-echo-rgb), .2)}.result-card-won .primary-button:focus-visible{outline-color:rgba(var(--result-echo-rgb), .34)}@media (width>=1101px){.play-topbar{grid-template-columns:var(--board-size) var(--info-width);column-gap:var(--play-gap);justify-content:start;display:grid}.play-topbar-actions{justify-content:space-between;width:100%}}.dialog-backdrop{z-index:20;background:#2e26205c;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.confirm-dialog{border:1px solid var(--line-strong);background:var(--surface-raised);width:min(360px,100%);color:var(--text-primary);border-radius:8px;padding:24px;box-shadow:0 18px 44px #2e26203d}.dialog-kicker{color:var(--text-faint);font-family:var(--font-body);letter-spacing:0;margin:0 0 8px;font-size:11px;font-weight:600}.confirm-dialog h2{margin:0;font-size:20px;line-height:1.35}.confirm-dialog p:not(.dialog-kicker){color:var(--text-secondary);margin:10px 0 0;font-size:13px;line-height:1.65}.dialog-actions{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:22px;display:grid}.dialog-actions button{width:100%}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}@keyframes echoRipple{0%{opacity:.68;transform:translate(-50%,-50%)scale(.55)}to{opacity:0;transform:translate(-50%,-50%)scale(2.6)}}@keyframes softPulse{0%,to{opacity:.45}50%{opacity:1}}@media (prefers-reduced-motion:reduce){.echo-ripple,.echo-title span,.lobby-echo-ripple{animation:none}.echo-ripple{opacity:.42;transform:translate(-50%,-50%)scale(1.4)}.lobby-echo-ripple{opacity:.22;transform:translate(-50%,-50%)scale(1.9)}}@media (width<=1100px){.play-shell{--board-size:clamp(320px, min(calc(100vw - 56px), calc(100dvh - 300px)), 520px);width:min(100%,620px);padding:22px 20px 32px}.play-content{flex-direction:column;align-items:center;gap:16px;display:flex}.info-column{flex-basis:auto;width:100%;display:contents}.side-panel{order:1;width:100%}.board-area{order:2;width:100%;margin-top:4px}.event-section{order:3;width:100%}.side-panel-result{order:3}.side-panel-result+.event-section{order:4}}@media (width<=560px){.lobby-shell,.difficulty-shell,.rules-shell,.play-shell{min-height:100dvh;padding:14px 16px 20px}.lobby-copy,.difficulty-copy,.rules-copy{padding:32px 24px}.lobby-copy{padding:0}.lobby-shell{align-content:center;place-items:center;padding-top:24px;padding-bottom:28px}.lobby-meta{margin-bottom:34px}.rules-comparison div{grid-template-columns:1fr;gap:4px}.play-topbar{align-items:center;gap:12px;margin-bottom:12px}.play-brand{flex-wrap:wrap;gap:8px 10px}.play-brand h1{font-size:24px}.play-brand>span{letter-spacing:.1em;font-size:10px}.mode-pill{padding:4px 9px;font-size:10px}.play-topbar-actions{flex-wrap:wrap;justify-content:flex-end}.play-lobby-button{min-height:32px;padding:0 11px;font-size:11px}.play-shell{--board-size:clamp(260px, min(calc(100vw - 56px), calc(100dvh - 360px)), 430px)}.info-column{display:contents}.side-panel{order:1;gap:10px;width:100%}.board-area{order:2;width:100%;margin-top:4px}.event-section{order:3;width:100%}.side-panel-result{order:3}.side-panel-result+.event-section{order:4}.status-card{min-height:50px;padding:9px 12px}.status-card h2{font-size:15px}.panel-label{margin-bottom:8px}.phase-list li{gap:5px;font-size:10px}.phase-marker{width:20px;height:20px;font-size:10px}.phase-list:before{top:9px}.phase-hint{margin-top:8px;font-size:11px}.echo-card{padding:12px}.echo-title{margin-bottom:8px}.echo-item{flex-wrap:wrap}.echo-badge{margin-left:0}.event-section{padding-top:10px}}:root{font-family:var(--font-body);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:var(--text-primary);background:var(--surface-paper);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--font-display:"Nanum Myeongjo", Georgia, "Times New Roman", serif;--font-body:"Gothic A1", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono:"Spline Sans Mono", ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;--surface-paper:#f1e9d6;--surface-raised:#fbf6ea;--surface-board-light:#f4edda;--surface-board-mid:#e8dec4;--surface-board-deep:#ddd0b2;--line-soft:#ddd0b2;--line-strong:#ccbb9a;--text-primary:#2e2620;--text-secondary:#6b5d4a;--text-muted:#8a7c66;--text-faint:#a3947f;--echo-white:#0ea5e9;--echo-white-strong:#0a85bd;--echo-white-rgb:14, 165, 233;--echo-black:#f97316;--echo-black-strong:#c2410c;--echo-black-rgb:249, 115, 22;--echo:var(--echo-white);--echo-strong:var(--echo-white-strong);--owner-echo:var(--echo-white);--owner-echo-strong:var(--echo-white-strong);--owner-echo-rgb:var(--echo-white-rgb);--draw:#a39684;--danger:#b84a3a;--success:#2f8f5b;--stone-size:56px;--stone-white:radial-gradient(circle at 36% 30%, #fffdf7 0%, #f4ecda 55%, #e2d6bb 100%);--stone-black:radial-gradient(circle at 36% 30%, #564e46 0%, #2a241f 55%, #100c09 100%);--nucleus-mark-size:19px;--echo-ring-size:56px;--echo-ring-border:1.6px;--echo-ring-duration:2.8s}*{box-sizing:border-box}body{background:linear-gradient(#ffffff2e, #fff0), var(--surface-paper);margin:0}button,input,textarea,select{font:inherit}