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20px;border-radius:var(--radius-sm);border:none;cursor:pointer;font-size:14px;font-family:var(--font);background:#ffffff26;color:#fff}.feedback-draw-action:hover{background:#ffffff40}.feedback-draw-action.feedback-btn-submit{background:var(--accent);color:var(--accent-text)}@media(max-width:480px){.feedback-panel{right:8px;left:8px;width:auto;bottom:76px}.feedback-fab{bottom:14px;right:14px;width:46px;height:46px;font-size:20px}}.eas-puzzle{display:flex;flex-direction:column;align-items:center;gap:10px;width:100%;max-width:480px;user-select:none;-webkit-user-select:none}.eas-status{font-size:14px;color:var(--text-dim);font-weight:500;min-height:18px}.eas-canvas{background:var(--surface);border:1px solid var(--border);border-radius:12px;touch-action:none}.eas-edge{stroke:#94a3b8;stroke-width:2.5;stroke-linecap:round;pointer-events:none}.eas-edge-conflict{stroke:#ef4444;stroke-width:4;animation:eas-pulse .6s ease-in-out infinite}@keyframes eas-pulse{0%,to{opacity:1}50%{opacity:.5}}.eas-edge-label-bg{fill:#fff;stroke:#94a3b8;stroke-width:1.5;pointer-events:none}.eas-edge-label-bg-conflict{stroke:#ef4444;fill:#fee2e2}.eas-edge-label{fill:#475569;font-size:13px;font-weight:700;pointer-events:none;font-family:system-ui,sans-serif}.eas-edge-label-conflict{fill:#b91c1c}.eas-node-group{cursor:grab}.eas-node-group:active{cursor:grabbing}.eas-node{stroke-width:3;transition:fill .15s,stroke .15s}.eas-node-empty{fill:#f1f5f9;stroke:#94a3b8;stroke-dasharray:4 3}.eas-node-filled{fill:#3b82f6;stroke:#1e3a8a}.eas-node-text{fill:#fff;font-size:22px;font-weight:700;pointer-events:none;font-family:system-ui,sans-serif}.eas-tray{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:center;padding:10px 12px;border:1px dashed var(--border);border-radius:12px;background:var(--surface);width:100%;max-width:360px;min-height:56px}.eas-tray-label{font-size:12px;color:var(--text-dim);font-weight:500;width:100%;text-align:center;margin-bottom:2px}.eas-tray-tile{width:44px;height:44px;border-radius:50%;background:#3b82f6;color:#fff;font-size:20px;font-weight:700;display:flex;align-items:center;justify-content:center;cursor:grab;border:3px solid #1e3a8a;box-shadow:0 1px 3px #00000026;transition:transform .1s,opacity .1s;touch-action:none}.eas-tray-tile:active{cursor:grabbing;transform:scale(1.05)}.eas-tray-tile-placed{background:#e2e8f0;border-color:#cbd5e1;color:#94a3b8;cursor:default;box-shadow:none}.eas-tray-tile-placed:active{transform:none}.eas-tray-tile-dragging{opacity:.3}@media(max-width:480px){.eas-tray-tile{width:38px;height:38px;font-size:16px;border-width:2px}}.mp-switch{position:fixed;top:12px;right:14px;z-index:9100;display:inline-flex;align-items:stretch;padding:3px;gap:3px;border-radius:999px;background:var(--surface, #ffffff);box-shadow:var(--shadow-lg)}.mp-seg{border:none;border-radius:999px;padding:6px 14px;background:transparent;color:var(--text, #1f2440);font-family:var(--font);font-size:14px;font-weight:700;cursor:pointer;white-space:nowrap;transition:background .15s,color .15s,transform .15s}.mp-seg:hover{transform:scale(1.04)}.mp-seg.active{color:var(--accent-text);background:var(--accent);cursor:default}.mp-seg[data-mode=multi].active{background:var(--success)}.mp-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9999;background:#0f11208c;display:flex;align-items:center;justify-content:center;padding:16px}.mp-card{position:relative;width:min(92vw,380px);background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:22px 20px 20px;display:flex;flex-direction:column;gap:10px}.mp-title{margin:0;font-size:19px;color:var(--text)}.mp-sub{margin:0;font-size:13px;color:var(--text-dim);line-height:1.4}.mp-label{font-size:12px;font-weight:600;color:var(--text-dim);margin-top:4px}.mp-input{width:100%;box-sizing:border-box;padding:10px 12px;border:1px solid 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var(--border);border-radius:var(--radius-sm);background:var(--bg);color:var(--text-dim);font-family:var(--font);font-size:13px;font-weight:600;cursor:pointer}.mp-variant.active{background:var(--accent);color:var(--accent-text);border-color:var(--accent)}.mp-panel{display:flex;flex-direction:column;gap:10px;margin-top:4px}.mp-panel.hidden{display:none}.mp-hint{font-size:12px;color:var(--text-dim)}.mp-code{font-family:var(--font-mono);font-size:30px;font-weight:700;letter-spacing:.3em;text-align:center;color:var(--accent);background:var(--bg);border-radius:var(--radius-sm);padding:12px;-webkit-user-select:all;user-select:all}.mp-warn{margin:0;font-size:12.5px;line-height:1.4;color:#92400e;background:#fffbeb;border:1px solid #fde68a;border-radius:var(--radius-sm);padding:8px 10px}.mp-copy{padding:9px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);color:var(--text, #1f2440);font-family:var(--font);font-size:14px;font-weight:700;cursor:pointer}.mp-copy:hover{filter:brightness(.97)}.mp-copy.copied{background:#dcfce7;color:#166534;border-color:#bbf7d0}.mp-primary,.mp-secondary{padding:11px;border:none;border-radius:var(--radius-sm);font-family:var(--font);font-size:15px;font-weight:700;cursor:pointer}.mp-primary{background:var(--accent);color:var(--accent-text)}.mp-primary:hover{background:var(--accent-hover)}.mp-secondary{background:var(--bg);color:var(--error);border:1px solid var(--border)}.mp-close{position:absolute;top:8px;right:10px;border:none;background:none;font-size:22px;line-height:1;color:var(--text-dim);cursor:pointer}.mp-shake{animation:shake .4s}.mp-connecting{align-items:center;text-align:center}.mp-spinner{width:38px;height:38px;margin:8px auto 2px;border:4px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:mp-spin .8s linear infinite}@keyframes mp-spin{to{transform:rotate(360deg)}}.mp-status{font-size:13px;color:var(--text-dim);line-height:1.4}@media(max-width:480px){.mp-switch{top:8px;right:8px}.mp-seg{font-size:12px;padding:6px 10px}}