:root{--bg: #FAFAF8;--text: #2A2A2A;--text-muted: #888;--text-light: #BBB;--border: #E0E0DC;--card-bg: #FFFFFF;--black-player: #1A1A1A;--red-player: #C0392B;--black-fill: rgba(26, 26, 26, .12);--red-fill: rgba(192, 57, 43, .12);--highlight: #3B82F6;--radius: 12px;--shadow: 0 2px 12px rgba(0, 0, 0, .06);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden;-webkit-touch-callout:none;overscroll-behavior:none}body{font-family:DM Sans,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#app{height:100%;display:flex;flex-direction:column}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;min-height:44px;border:none;border-radius:8px;font-family:inherit;font-size:14px;font-weight:500;cursor:pointer;transition:all .15s ease;white-space:nowrap}.btn-primary{background:var(--text);color:var(--bg)}.btn-primary:hover{background:#444}.btn-secondary{background:var(--bg);color:var(--text);border:1.5px solid var(--border)}.btn-secondary:hover{background:#f0f0ec}.btn-link{background:none;color:var(--text-muted);padding:10px 16px;min-height:44px;font-size:13px}.btn-link:hover{color:var(--text)}.btn-small{padding:6px 14px;font-size:12px;background:var(--text);color:var(--bg);border-radius:6px}.input-name,.input-code{width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:8px;font-family:inherit;font-size:14px;background:var(--bg);color:var(--text);outline:none;transition:border-color .15s}.input-name:focus,.input-code:focus{border-color:var(--text-muted)}.input-code{text-align:center;font-size:20px;font-weight:700;letter-spacing:.2em;text-transform:uppercase}.input-error{border-color:var(--red-player)!important;animation:shake .3s ease}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}.lobby{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 24px;gap:32px}.lobby-header{text-align:center}.lobby-title{font-size:48px;font-weight:700;letter-spacing:.12em;margin-bottom:8px}.lobby-subtitle{font-size:14px;color:var(--text-muted);font-style:italic}.lobby-actions{display:flex;gap:32px;align-items:stretch}.lobby-card{background:var(--card-bg);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px;min-width:240px}.lobby-card h2{font-size:16px;font-weight:600;margin-bottom:4px}.lobby-divider{display:flex;align-items:center;color:var(--text-light);font-size:13px}.waiting-card{background:var(--card-bg);border-radius:var(--radius);padding:36px 48px;box-shadow:var(--shadow);text-align:center}.room-code-label{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:8px}.room-code{font-size:56px;font-weight:700;letter-spacing:.2em;margin-bottom:20px}.share-link{display:flex;gap:8px;align-items:center}.share-link input{flex:1;padding:8px 12px;border:1px solid var(--border);border-radius:6px;font-size:12px;color:var(--text-muted);background:var(--bg)}.waiting-spinner{width:24px;height:24px;border:2.5px solid var(--border);border-top-color:var(--text);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.game-container{height:100%;display:flex;flex-direction:column;user-select:none;-webkit-user-select:none}.board-container{flex:1;display:flex;align-items:center;justify-content:center;padding:16px;min-height:0}.board-container svg{width:100%;height:100%;max-width:min(90vw,90vh - 180px);max-height:min(90vw,90vh - 180px);touch-action:none;user-select:none;-webkit-user-select:none}.panel-container{flex-shrink:0}.hud{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:var(--card-bg);border-bottom:1px solid var(--border);flex-shrink:0}.hud-left{display:flex;align-items:center;gap:12px}.hud-logo{font-size:16px;font-weight:700;letter-spacing:.1em}.hud-badge{font-size:11px;padding:2px 8px;background:var(--bg);border:1px solid var(--border);border-radius:4px;color:var(--text-muted)}.hud-center{text-align:center}.hud-turn{font-size:14px;font-weight:500;color:var(--text-muted)}.hud-turn.my-turn{color:var(--text)}.hud-right{display:flex;gap:20px}.hud-score{display:flex;align-items:center;gap:6px;font-size:13px}.score-dot{width:10px;height:10px;border-radius:50%}.score-dot-black{background:var(--black-player)}.score-dot-red{background:var(--red-player)}.score-name{color:var(--text-muted)}.score-value{font-weight:700;font-size:16px}.turn-panel{background:var(--card-bg);border-top:1px solid var(--border);padding:20px 24px}.turn-panel-content{max-width:480px;margin:0 auto;text-align:center}.turn-label{font-size:14px;font-weight:600;margin-bottom:6px}.turn-hint{font-size:13px;color:var(--text-muted);margin-bottom:16px}.turn-status{font-size:13px;color:var(--text-muted);padding:8px 0}.strand-count{font-weight:600;color:var(--text)}.turn-undo-row{display:flex;gap:8px;justify-content:center;margin-top:8px}.turn-note{font-size:12px;color:var(--red-player);margin-top:4px;margin-bottom:8px}.rules-note-box{border-left:3px solid var(--border);padding-left:14px;color:var(--text-muted);font-size:14px;margin-top:12px}.tension-tokens{display:flex;gap:16px;justify-content:center}.token-btn{width:64px;height:80px;border:2px solid var(--border);border-radius:10px;background:var(--card-bg);cursor:pointer;transition:all .15s ease;display:flex;align-items:center;justify-content:center}.token-btn:hover{border-color:var(--text);transform:translateY(-2px);box-shadow:var(--shadow)}.token-value{font-size:28px;font-weight:700}.k-buttons{display:flex;gap:12px;justify-content:center}.k-btn{padding:12px 20px;min-height:44px;border:2px solid var(--border);border-radius:8px;background:var(--card-bg);font-family:inherit;font-size:14px;font-weight:500;cursor:pointer;transition:all .15s ease}.k-btn:hover{border-color:var(--text);background:var(--bg)}.pie-rule{padding:8px 0}.pie-buttons{display:flex;gap:12px;justify-content:center}.spectator-join{background:var(--card-bg);border-top:1px solid var(--border);padding:20px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px}.spectator-join p{font-size:14px;color:var(--text-muted)}.spectator-join .input-name{max-width:240px}.game-over-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#fafaf8d9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:100;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.game-over-card{background:var(--card-bg);border-radius:var(--radius);padding:40px 48px;box-shadow:var(--shadow-lg);text-align:center}.game-over-title{font-size:32px;font-weight:700;margin-bottom:24px}.game-over-scores{display:flex;gap:32px;justify-content:center;margin-bottom:28px}.game-over-score{display:flex;align-items:center;gap:8px;font-size:15px}.game-over-score strong{font-size:24px}.highlight-ring{animation:pulse-ring 1s ease-in-out infinite}@keyframes pulse-ring{0%,to{opacity:.4;r:.18}50%{opacity:.8;r:.24}}.lacuna-pulse{animation:lacuna-seal .5s ease-out}@keyframes lacuna-seal{0%{transform:scale(.95)}50%{transform:scale(1.02)}to{transform:scale(1)}}.score-bump{animation:bump .3s ease}@keyframes bump{0%{transform:scale(1)}50%{transform:scale(1.3)}to{transform:scale(1)}}.token-reveal{animation:flip-in .25s ease}@keyframes flip-in{0%{transform:rotateY(90deg);opacity:0}to{transform:rotateY(0);opacity:1}}@media (max-width: 640px){.lobby-actions{flex-direction:column;gap:20px}.lobby-divider{display:none}.lobby-title{font-size:36px}.hud{padding:8px 12px}.hud-logo{font-size:13px}.hud-score{font-size:12px}.score-value{font-size:14px}.board-container svg{max-width:95vw;max-height:calc(100vh - 200px)}.turn-panel{padding:14px 16px}.room-code{font-size:40px}.game-over-card{padding:28px 24px;margin:16px}.game-over-title{font-size:24px}}.rules-page{overflow-y:auto;height:100%}