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.2s;width:100%}.model-option:hover{background-color:var(--bubble-bg)}.model-option.active{background-color:var(--accent-color);color:#fff;font-weight:500}.model-option.active:hover{background-color:#45a049}.model-option-icon{font-size:20px;flex-shrink:0;width:24px;text-align:center}.model-option-name{flex-grow:1;font-size:.95em}.sidebar-history::-webkit-scrollbar{width:6px}.sidebar-history::-webkit-scrollbar-track{background:transparent}.sidebar-history::-webkit-scrollbar-thumb{background-color:var(--border-color);border-radius:3px}.sidebar-history:hover::-webkit-scrollbar-thumb{background-color:var(--text-secondary)}.history-loader{display:flex;justify-content:center;padding:10px 0}.history-loader-bar{width:60px;height:4px;background-color:var(--border-color);border-radius:2px;position:relative;overflow:hidden}.history-loader-bar:after{content:"";position:absolute;top:0;left:0;height:100%;width:50%;background-color:var(--accent-color);border-radius:2px;animation:history-load-anim 1.5s 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ease;-webkit-tap-highlight-color:transparent}.hint-btn:hover{background:#ffffff1a}.hint-btn:active{transform:scale(.95);background:#ffffff26}.rec-label{font-size:11px;font-weight:800;letter-spacing:1px}.hint-btn.active-mode{background:#4ade8026;color:#4ade80;font-weight:700;border-color:#4ade80}@keyframes pulse-dot{0%{opacity:1}50%{opacity:.4}to{opacity:1}}.avatar{width:32px;height:32px;border-radius:50%;object-fit:cover;border:1px solid var(--border-color);flex-shrink:0;align-self:flex-start}.message-content{display:flex;flex-direction:column}.message-container.user .message-content{align-items:flex-end}.drag-drop-zone-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#2ecc711a;border:4px dashed #2ecc71;z-index:10000;display:flex;align-items:center;justify-content:center;pointer-events:none;transition:all .3s ease}.drag-drop-message{background:#fff;padding:30px;border-radius:20px;box-shadow:0 10px 30px #0003;text-align:center}.drag-ghost{position:absolute;z-index:9999;background-color:#505050cc;color:#fff;padding:5px 10px;border-radius:8px;font-size:14px;pointer-events:none;white-space:nowrap;box-shadow:0 4px 8px #0000004d}.drag-ghost-mobile{position:fixed;z-index:9999;pointer-events:none!important;background:var(--accent-color);padding:8px 16px;border-radius:20px;transform:translate(-50%,-50%)}.user-name{font-weight:700;font-size:.9em;margin-bottom:4px}[data-theme=dark] .message-container.user .user-name{color:#fff}.message-container.ai .user-name{color:var(--accent-color)}.message-body{word-break:break-word;white-space:pre-wrap}.copy-btn{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;padding:4px;border-radius:4px;opacity:.5;transition:opacity .2s,background-color .2s;position:absolute;top:8px;right:8px}.bubble:hover .copy-btn{opacity:1}.copy-btn:hover{background-color:var(--bg-color)}.copy-btn svg{display:block}.files-list-wrapper{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-start;padding:10px}.file-preview-item{position:relative;background:#252525;border-radius:8px;padding:8px;width:80px;height:80px;display:flex;flex-direction:column;align-items:center;justify-content:center;border:1px solid #333}.audio-preview-content audio{width:70px;height:30px;filter:invert(1) hue-rotate(180deg) brightness(1.5)}.recording-status{border:1px solid #ff4444!important;background:#ff44441a!important}.rec-dot-blink{color:#f44;font-size:20px;animation:pulse-red 1s infinite}@keyframes pulse-red{0%{opacity:1;transform:scale(1)}50%{opacity:.3;transform:scale(1.1)}to{opacity:1;transform:scale(1)}}.audio-preview-content audio::-webkit-media-controls-timeline,.audio-preview-content audio::-webkit-media-controls-current-time-display,.audio-preview-content audio::-webkit-media-controls-time-remaining-display,.audio-preview-content audio::-webkit-media-controls-volume-slider,.audio-preview-content audio::-webkit-media-controls-mute-button{display:none!important}.audio-preview-content audio::-webkit-media-controls-panel{background-color:transparent!important;padding:0!important}.audio-preview-content audio::-webkit-media-controls-play-button{width:100%!important;height:100%!important;display:flex!important;cursor:pointer}.input-container{width:100%!important;max-width:100vw;box-sizing:border-box;padding-left:10px;padding-right:10px;display:flex;align-items:center;gap:8px}.mode-switcher-container{display:flex;align-items:center;gap:8px;flex-shrink:0}.generated-audio-player{display:flex;flex-direction:column;gap:8px;margin:10px 0;padding:12px;background:#ffffff0d;border-radius:12px;border:1px solid rgba(255,255,255,.1)}.generated-audio-player audio{width:100%;max-width:400px;height:40px}.audio-caption{margin:0;font-size:14px;color:var(--text-secondary);font-style:italic}.voice-selector-container{width:100%;order:-1;padding:0 8px 8px}.voice-selector-title{margin:0 0 8px 10px;font-size:12px;color:var(--text-secondary);font-weight:500}.voice-generation-wrapper{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:10px;margin-top:8px;display:inline-block;max-width:100%;box-sizing:border-box}.voice-generation-layout{display:flex;align-items:flex-start;gap:12px;flex-wrap:wrap}.voice-generation-layout audio{max-width:100%;height:36px}.voice-generation-wrapper .static-badge .file-icon{font-size:30px;margin-bottom:2px;display:block}