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10px}.mc-cancel-btn,.mc-select-all-btn,.mc-text-btn{color:#1677ff}.mc-selection-title{align-items:center;color:#333;display:flex;font-size:16px;font-weight:600;height:32px}.message-row-wrapper{align-items:flex-start;border-radius:8px;display:flex;margin-bottom:12px;transition:background-color .2s,padding .2s;width:100%}.message-row-wrapper.wrapper-self{justify-content:flex-end}.message-row-wrapper.wrapper-other{justify-content:flex-start}.message-row-wrapper .message-row{margin-bottom:0}.message-row-wrapper.is-selecting{cursor:pointer;justify-content:flex-start;margin-bottom:4px;padding:8px}.message-row-wrapper.is-selecting:hover{background-color:#e6e6e6}.message-row-wrapper.is-selecting.wrapper-self .message-row{margin-left:auto}.selection-indicator{flex-shrink:0;margin-right:12px;padding-top:10px}.selection-indicator input[type=checkbox]{pointer-events:none;transform:scale(1.3)}.mc-selection-footer{align-items:center;display:flex;justify-content:center;padding:15px 15px calc(15px + env(safe-area-inset-bottom, 0px))}.mc-confirm-btn{border:none;border-radius:20px;color:#fff;cursor:pointer;font-size:16px;font-weight:600;max-width:300px;padding:12px;transition:opacity .2s;width:100%}.mc-confirm-btn:disabled{cursor:not-allowed;opacity:.5}.mc-confirm-btn.copy{background-color:#07c160}.mc-confirm-btn.delete{background-color:#ff4d4f}.mc-confirm-btn.ai_analyze{background-color:#1677ff}@keyframes flash-highlight{0%{background-color:#ffd54f99}to{background-color:initial}}.msg-highlight-flash{animation:flash-highlight 2s ease-out;border-radius:8px}.mc-burn-btn{filter:grayscale(100%);margin:0;opacity:.6;position:static;transition:all .3s ease}.mc-burn-btn.active{background-color:#ff4d4f1a;border-radius:50%;color:#ff4d4f;filter:none;opacity:1;transform:scale(1.1)}.mc-ai-helper-btn{color:#1677ff;transition:transform .2s}.msg-burn-cover{align-items:center;background-color:#ff4d4f;border-radius:8px;box-shadow:0 4px 10px #ff4d4f33;color:#fff;cursor:pointer;display:flex;font-size:14px;font-weight:700;gap:6px;justify-content:center;padding:10px 16px;transition:background-color .2s,transform .1s;-webkit-user-select:none;user-select:none}.msg-burn-cover:active{background-color:#d9363e;transform:scale(.96)}.burn-countdown-bar{animation:burnShrink linear forwards;background-color:#ff4d4f;border-radius:2px;height:4px;margin-top:6px;width:100%}@keyframes burnShrink{0%{width:100%}to{width:0}}.burn-badge{bottom:0;font-size:14px;opacity:.8;position:absolute;right:-20px}