:root{--bg:#0f141a;--surface-container-low:#171c22;--surface-container:#1b2026;--surface-container-high:#252a31;--surface-container-highest:#30353c;--primary:#59de9b;--primary-container:#00a86b;--on-primary:#003921;--primary-20:#59de9b33;--primary-30:#59de9b4d;--secondary:#e1c299;--secondary-container:#5b4526;--on-secondary-container:tan;--text:#dee3eb;--text-muted:#869489;--error:#ffb4ab;--error-container-20:#93000a33;--font-body:"Manrope", sans-serif;--font-display:"Noto Serif", serif}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{width:100%;height:100%;overflow:hidden}body{font-family:var(--font-body);background:var(--bg);color:var(--text);-webkit-user-select:none;user-select:none}.logo-header{background:var(--bg);flex-shrink:0;align-items:center;gap:8px;padding:10px 14px;display:flex}.logo-icon{flex-shrink:0}.logo-text{font-family:var(--font-display);color:var(--primary);letter-spacing:.04em;font-size:1.15rem;font-weight:700}.app{background:var(--bg);flex-direction:column;width:100%;height:100%;display:flex;overflow:hidden}.player-cards{flex-shrink:0;grid-template-columns:1fr 1fr;gap:8px;padding:8px 12px 0;display:grid}.player-card{border:2px solid #0000;border-radius:12px;padding:10px 12px;transition:opacity .25s,border-color .25s,background .25s;position:relative}.player-card--inactive{background:var(--surface-container-low);opacity:.55}.player-card--active{background:var(--surface-container-high);border-color:var(--primary-30);opacity:1}.player-card__thinking-badge{background:var(--primary);color:var(--on-primary);letter-spacing:.08em;text-transform:uppercase;border-radius:999px;align-items:center;gap:4px;padding:2px 8px;font-size:.55rem;font-weight:700;display:flex;position:absolute;top:-10px;right:10px}.player-card__thinking-dot{background:var(--on-primary);border-radius:50%;width:5px;height:5px;animation:1s ease-in-out infinite blink}@keyframes blink{0%,to{opacity:1}50%{opacity:.3}}.player-card__label{letter-spacing:.12em;text-transform:uppercase;margin-bottom:5px;font-size:.55rem;font-weight:700}.player-card__label--white{color:var(--text-muted)}.player-card__label--black{color:var(--primary)}.player-card__row{align-items:center;gap:6px;display:flex}.player-card__stone{border-radius:50%;flex-shrink:0;width:20px;height:20px;box-shadow:0 2px 6px #00000080}.player-card__stone--black{background:radial-gradient(circle at 35% 35%,#4a4a4a,#1a1a1a)}.player-card__stone--white{background:radial-gradient(circle at 35% 35%,#fff,#e0e0e0);box-shadow:0 2px 6px #0000004d,0 0 0 1px 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8px;display:flex;position:relative}.board-wrapper{justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:relative}.board-outer{border-radius:12px;position:relative;overflow:visible;box-shadow:0 16px 48px #00000080,0 6px 16px #0000004d,inset 0 1px #ffffff0d}.board-container{justify-content:center;align-items:center;width:100%;height:100%;display:flex}.board-canvas{touch-action:none;border-radius:10px;display:block}.controls-section{flex-direction:column;flex-shrink:0;gap:8px;padding:8px 12px;display:flex}.btn-confirm{background:var(--primary);width:100%;color:var(--on-primary);font-family:var(--font-body);cursor:pointer;border:none;border-radius:10px;padding:12px;font-size:.95rem;font-weight:700;transition:opacity .15s,transform .1s}.btn-confirm:disabled{opacity:.35;cursor:not-allowed}.btn-confirm:not(:disabled):active{transform:scale(.98)}.action-row{gap:6px;display:flex}.btn-action{background:var(--surface-container-high);color:var(--text);font-family:var(--font-body);cursor:pointer;white-space:nowrap;border:none;border-radius:10px;flex:1;padding:10px 4px;font-size:.8rem;font-weight:600;transition:background .15s,opacity .15s,transform .1s}.btn-action:disabled{opacity:.35;cursor:not-allowed}.btn-action:not(:disabled):hover{background:var(--surface-container-highest)}.btn-action:not(:disabled):active{transform:scale(.96)}.btn-action--danger{background:var(--error-container-20);color:var(--error)}.btn-action--danger:not(:disabled):hover{background:#93000a4d}.score-strip{background:var(--surface-container-high);border:1px solid #ffffff0f;border-radius:12px;margin:0 12px 8px;padding:10px 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#03392166;border-top-color:var(--on-primary);border-radius:50%;width:10px;height:10px;animation:.7s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}@media (width>=768px) and (aspect-ratio>=1){.app{flex-direction:row;overflow:hidden}.logo-header{display:none}.board-section{aspect-ratio:auto;flex:1;min-height:0;padding:16px}.sidebar{background:var(--surface-container);border-left:1px solid #ffffff0a;flex-direction:column;flex-shrink:0;width:280px;display:flex;overflow-y:auto}.sidebar .logo-desktop{align-items:center;gap:8px;padding:16px 16px 8px;display:flex}.player-cards{gap:8px;padding:12px 16px 0}.info-bar{padding:6px 16px}.controls-section{padding:8px 16px}}@media not all and (width>=768px) and (aspect-ratio>=1){.sidebar{flex-direction:column;flex-shrink:0;display:flex;overflow:hidden}}