@import"https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css";@import"https://fonts.cdnfonts.com/css/sf-mono";@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.trolyhoidap-container{background-color:#fff;color:#000;font-family:Kosugi,sans-serif;font-size:1.1rem;line-height:1.6;padding-right:2rem;padding-bottom:10rem;padding-left:2rem;max-width:65ch;margin:auto}h1,h2,h3,h4,h5,h6{font-size:1em;margin:0;font-weight:400}button{background:none;border:none;padding:0;font:inherit;color:inherit;cursor:pointer}.interactive-word{color:#000;text-decoration:none;transition:color .2s ease-in-out}.interactive-word:hover{color:#00f;text-decoration:underline}.footer-text{font-size:.9em;color:#888}.footer-text a{color:inherit;text-decoration:none;transition:color .2s ease-in-out}.footer-text a:hover{color:#00f;text-decoration:underline}.ascii-art{font-family:monospace;text-align:left;white-space:pre;color:#888;margin:2rem 0;line-height:1.1;font-size:.8em}.blinking-cursor{animation:blink 1s step-end infinite}.search-container{display:flex;align-items:center;gap:1rem;margin-bottom:3rem}.search-form{flex-grow:1;position:relative}.search-input{width:100%;padding:.5rem 2.8rem .5rem .75rem;font:inherit;color:inherit;background-color:transparent;border:1px solid #888;border-radius:4px;box-sizing:border-box;outline:none;transition:border-color .2s ease-in-out}.search-input:focus{border-color:#000}.search-input:disabled{color:#ccc;border-color:#e0e0e0}.search-input::placeholder{color:#888;opacity:1}.mic-button{position:absolute;right:.5rem;top:50%;transform:translateY(-50%);display:flex;align-items:center;justify-content:center;width:2rem;height:2rem;padding:0;border-radius:50%;color:#888;transition:all .2s ease-in-out}.mic-button:hover:not(:disabled){background-color:#f0f0f0;color:#000}.mic-button.listening{color:#c00;box-shadow:0 0 8px #cc000080}.mic-button:disabled{color:#ccc;cursor:not-allowed}.random-button{background:none;border:none;padding:.5rem 0;font:inherit;color:#000;cursor:pointer;white-space:nowrap}.random-button:hover:not(:disabled){color:#00f}.random-button:disabled{color:#ccc;cursor:not-allowed}.content-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.action-buttons{display:flex;gap:.5rem}.action-buttons button{background-color:#f0f0f0;border:1px solid #ccc;border-radius:4px;padding:.25rem .75rem;font-size:.85em;color:#333;white-space:nowrap;transition:all .2s ease-in-out}.action-buttons button:hover:not(.copied,.speaking){background-color:#e0e0e0;border-color:#bbb}.copy-button-hoi-dap .copied{background-color:#d4edda;color:#155724;border-color:#c3e6cb;cursor:default}.speak-button.speaking{background-color:#d1ecf1;color:#0c5460;border-color:#bee5eb}.sticky-footer{position:fixed;bottom:0;left:50%;transform:translate(-50%);max-width:calc(65ch + 4rem);width:100%;padding:1rem 2rem;box-sizing:border-box;background-color:#ffffffd9;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;justify-content:space-between;align-items:center;border-top:1px solid #e0e0e0}.footer-content{text-align:left}.footer-button{background:none;border:none;padding:0;font:inherit;color:#888;cursor:pointer;text-decoration:underline;font-size:.9em;transition:color .2s ease-in-out;white-space:nowrap}.footer-button:hover{color:#00f}.modal-overlay-hoi-dap{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#0009;display:flex;justify-content:center;align-items:center;z-index:1000;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}.modal-content-hoi-dap{background-color:#fff;padding:2rem;border-radius:8px;box-shadow:0 4px 20px #00000026;max-width:55ch;width:90%;position:relative;line-height:1.7}.modal-title{margin-top:0;margin-bottom:1.5rem;text-transform:uppercase;letter-spacing:.1em;font-weight:700}.modal-close-button{position:absolute;top:.75rem;right:1rem;font-size:2rem;font-weight:700;color:#aaa;line-height:1;transition:color .2s ease-in-out}.modal-close-button:hover{color:#000}.selection-popup{background-color:#000;color:#fff;border-radius:6px;padding:.5rem 1rem;box-shadow:0 4px 12px #0003;animation:popup-fade-in .15s ease-out forwards;white-space:nowrap;cursor:pointer;font-size:.9em;font-weight:700;transition:background-color .2s}.selection-popup:hover{background-color:#333}@keyframes popup-fade-in{0%{opacity:0;transform:translate(-50%) translateY(-10px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.app-container{--color-bg: #f8f9fa;--color-bg-alt: #ffffff;--color-surface: rgba(0, 0, 0, .03);--color-surface-hover: rgba(0, 0, 0, .05);--color-surface-active: rgba(0, 0, 0, .08);--color-text: #212529;--color-text-secondary: #5a6169;--color-text-tertiary: #9ea4ab;--color-accent: #007aff;--color-accent-alt: #5856d6;--color-cursor: var(--color-accent);--color-border: rgba(0, 0, 0, .1);--color-recording: #ff3b30;--color-success: #34c759;--glass-bg: rgba(255, 255, 255, .7);--glass-border: rgba(0, 0, 0, .1);--glass-highlight: rgba(0, 0, 0, .04);--glass-shadow: rgba(0, 0, 0, .1);--glass-recording-bg: rgba(255, 255, 255, .85);--glass-recording-border: rgba(0, 0, 0, .1);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .05);--shadow-md: 0 4px 16px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .1);--transition-fast: .2s ease;--transition-normal: .3s ease;--transition-slow: .45s ease;--transition-tabs: .3s cubic-bezier(.4, 0, .2, 1);--font-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";--font-mono: "SF Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--footer-height: 120px;--live-footer-height: 350px;height:80vh;overflow:hidden;font-family:var(--font-primary);background-color:var(--color-bg);color:var(--color-text);line-height:1.65;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;letter-spacing:-.01em;transition:background-color var(--transition-normal),color var(--transition-normal);margin:0;display:flex;flex-direction:column;width:100%;max-width:100%}[contenteditable]{caret-color:var(--color-cursor)}[contenteditable][placeholder].placeholder-active{color:var(--color-text-tertiary);opacity:.8}.main-content{flex:1;display:flex;flex-direction:column;position:relative;overflow:hidden;transition:padding-bottom var(--transition-slow) ease-in-out}.main-content:has(>.recording-interface.is-live){padding-bottom:var(--live-footer-height)}.note-area{flex:1;overflow:hidden;display:flex;flex-direction:column;background-color:var(--color-bg-alt);padding:32px 0 0;transition:background-color var(--transition-normal);min-height:0}.note-header{display:flex;justify-content:space-between;align-items:center;padding:0 40px 16px;border-bottom:1px solid var(--color-border);margin-bottom:12px;transition:border-color var(--transition-normal)}.header-actions{display:flex;align-items:center;gap:16px}.header-actions .action-button{width:40px;height:40px;font-size:16px;flex-shrink:0}.editor-title{font-size:22px;font-weight:600;outline:none;border:none;padding:0;margin:0 24px 0 0;flex-grow:1;color:var(--color-text);font-family:var(--font-primary);background-color:transparent}.tab-navigation-container{background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:10px;padding:4px;display:inline-flex;box-shadow:var(--shadow-sm);transition:background-color var(--transition-normal),border-color var(--transition-normal)}.tab-navigation{display:flex;position:relative;border-radius:7px;overflow:hidden}.tab-button{background:transparent;border:none;padding:6px 16px;margin:0;font-size:13px;font-weight:500;color:var(--color-text-secondary);border-radius:6px;cursor:pointer;transition:color var(--transition-fast);position:relative;z-index:1;flex-shrink:0;font-family:var(--font-primary);letter-spacing:-.01em}.tab-button:hover,.tab-button.active{color:var(--color-text)}.active-tab-indicator{position:absolute;top:0;left:0;width:0;height:100%;background-color:var(--glass-highlight);border-radius:6px;transition:left var(--transition-tabs),width var(--transition-tabs);z-index:0;box-shadow:0 .5px 1.5px #0000000a,0 0 0 .5px #00000005 inset}.note-content-wrapper{flex:1;overflow-y:auto;padding:0 40px 40px;position:relative;min-height:0}.note-content{outline:none;min-height:100px;font-size:16px;line-height:1.7;color:var(--color-text);padding:12px 0;font-family:var(--font-primary);letter-spacing:-.01em;opacity:0;transform:scale(.985) translateY(8px);transition:opacity var(--transition-tabs),transform var(--transition-tabs);display:none;will-change:opacity,transform}.note-content.active{opacity:1;transform:scale(1) translateY(0);display:block}.note-content h1,.note-content h2,.note-content h3{margin-bottom:.75em;margin-top:1.25em;font-weight:600;color:var(--color-text)}.note-content h1{font-size:1.8em}.note-content h2{font-size:1.5em}.note-content h3{font-size:1.25em}.note-content p{margin-bottom:1em}.note-content ul,.note-content ol{margin-bottom:1em;padding-left:1.5em}.note-content li{margin-bottom:.5em}.note-content pre{background-color:var(--color-bg-alt);padding:1em;border-radius:8px;margin-bottom:1em;font-size:.9em;overflow-x:auto;transition:background-color var(--transition-normal);font-family:var(--font-mono);border:1px solid var(--color-border)}.note-content code{font-family:var(--font-mono);background-color:var(--color-surface);padding:.2em .4em;border-radius:4px;font-size:.9em}.note-content pre code{background-color:transparent;padding:0;border-radius:0}.recording-interface{height:var(--footer-height);width:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:12px 20px;background-color:transparent;border-top:1px solid transparent;flex-shrink:0;transition:opacity .3s ease-out,transform .35s ease-out,background-color var(--transition-slow) ease-in-out,height var(--transition-slow) ease-in-out;z-index:10}.recording-interface.is-live{position:fixed;bottom:0;left:0;right:0;height:var(--live-footer-height);z-index:1000;background-color:var(--glass-recording-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--glass-recording-border);box-shadow:0 -4px 20px var(--glass-shadow);justify-content:flex-start;padding-top:20px;padding-bottom:20px}.status-indicator{margin-bottom:16px}.recording-interface.is-live .status-indicator{display:none}.status-text{font-size:14px;color:var(--color-text-secondary);text-align:center;transition:color var(--transition-normal);font-family:var(--font-primary)}.live-recording-title,#liveWaveformCanvas,.live-recording-timer{opacity:0;transform:translateY(15px);transition:opacity .3s ease-out .1s,transform .35s ease-out .1s}.recording-interface.is-live .live-recording-title,.recording-interface.is-live #liveWaveformCanvas,.recording-interface.is-live .live-recording-timer{opacity:1;transform:translateY(0)}.live-recording-title{font-size:17px;color:var(--color-text);margin-bottom:12px;text-align:center;font-weight:500;font-family:var(--font-primary)}#liveWaveformCanvas{width:100%;max-width:340px;height:70px;margin-bottom:18px;border-radius:4px}.live-recording-timer{font-family:var(--font-mono);font-size:44px;font-weight:400;color:var(--color-text);margin-bottom:22px;text-align:center;letter-spacing:.01em}.recording-controls{display:flex;align-items:center;justify-content:center;gap:24px;position:relative}.action-button{background:color-mix(in srgb,var(--color-accent) 12%,var(--color-bg-alt));border:1px solid color-mix(in srgb,var(--color-accent) 25%,var(--color-bg-alt));width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--color-accent);font-size:18px;cursor:pointer;transition:var(--transition-fast) background-color,var(--transition-fast) color,var(--transition-fast) border-color,var(--transition-fast) transform,var(--transition-fast) box-shadow;box-shadow:var(--shadow-sm)}.recording-interface.is-live .action-button{display:none}.action-button:hover{color:var(--color-accent);transform:translateY(-2px) scale(1.05);box-shadow:var(--shadow-md);background-color:color-mix(in srgb,var(--color-accent) 18%,var(--color-bg-alt));border-color:var(--color-accent)}.record-button{position:relative;width:72px;height:72px;border-radius:50%;border:none;outline:none;background:none;cursor:pointer;z-index:1}.record-button-inner{position:relative;width:100%;height:100%;border-radius:50%;background:var(--color-bg-alt);border:2px solid var(--color-accent);display:flex;align-items:center;justify-content:center;color:var(--color-accent);font-size:24px;z-index:2;box-shadow:var(--shadow-md);transition:all var(--transition-normal)}.record-button:hover .record-button-inner{transform:scale(1.08);background-color:color-mix(in srgb,var(--color-accent) 10%,transparent);border-color:var(--color-accent)}.record-button.recording .record-button-inner{background-color:var(--color-recording);border:2px solid transparent;color:#fff}.record-button.recording:hover .record-button-inner{background-color:var(--color-recording);filter:brightness(.95)}.record-button:disabled,.record-button:disabled:hover{cursor:wait}.record-button:disabled .record-button-inner,.record-button:disabled:hover .record-button-inner{background:var(--color-surface);border-color:var(--color-border);color:var(--color-text-tertiary);transform:scale(1);box-shadow:none;cursor:wait}.recording-interface.is-live .record-button.recording .record-button-inner i.fa-stop{display:inline-block;font-size:20px}.recording-interface.is-live .record-button.recording .record-button-inner i.fa-microphone{display:none}.record-waves{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:200px;height:200px;z-index:1;opacity:0;transition:opacity var(--transition-normal);pointer-events:none}.record-button.recording .record-waves{opacity:1}.recording-interface.is-live .record-waves{display:none}.wave{fill:none;stroke:var(--color-recording);stroke-width:1.5px;opacity:0;transform-origin:center}.record-button.recording .wave1{animation:wave 2s infinite ease-out}.record-button.recording .wave2{animation:wave 2s infinite ease-out;animation-delay:.4s}.record-button.recording .wave3{animation:wave 2s infinite ease-out;animation-delay:.8s}@keyframes wave{0%{transform:scale(.4);opacity:.8;stroke-width:2px}to{transform:scale(1.8);opacity:0;stroke-width:.5px}}.record-text{position:absolute;bottom:-30px;left:50%;transform:translate(-50%);font-size:12px;white-space:nowrap;color:var(--color-text-tertiary);opacity:0;transition:opacity var(--transition-fast);font-family:var(--font-primary)}.record-button:hover .record-text{opacity:1}.recording-interface.is-live .record-text{display:none}.app-footer{flex-shrink:0;padding:12px 24px;background-color:var(--color-bg);border-top:1px solid var(--color-border);text-align:center;font-size:13px;color:var(--color-text-secondary);line-height:1.6;transition:background-color var(--transition-normal),border-color var(--transition-normal)}.app-footer p{margin:0}.app-footer a{color:var(--color-accent);text-decoration:none;transition:color var(--transition-fast);font-weight:500}.app-footer a:hover{text-decoration:underline}.debug-panel{background-color:#000000f2;color:#3f3;font-family:var(--font-mono);font-size:12px;padding:12px;position:fixed;bottom:0;left:0;max-height:200px;width:100%;z-index:2000;overflow-y:auto;display:none}.debug-panel.visible{display:block}@media (max-width: 768px){.note-area{padding:20px 0 0}.note-header{padding:0 20px 12px;flex-direction:column;align-items:stretch;gap:12px}.editor-title{padding:0;font-size:20px;margin-bottom:0;margin-right:0;text-align:left}.header-actions{justify-content:space-between;width:100%}.tab-navigation-container{width:auto}.tab-navigation{width:100%}.tab-button{flex-grow:1;text-align:center}.note-content-wrapper{padding:0 20px 20px}.recording-interface.is-live{padding-left:15px;padding-right:15px}#liveWaveformCanvas{max-width:calc(100% - 30px);height:60px}.live-recording-timer{font-size:36px}.action-button{width:44px;height:44px;font-size:16px}.record-button{width:64px;height:64px}.app-footer{padding:10px 16px;font-size:12px}}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#21252980;display:flex;justify-content:center;align-items:center;z-index:2000;opacity:0;pointer-events:none;transition:opacity var(--transition-normal);backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px)}html[data-theme=dark] .modal-overlay{background-color:#0009}.modal-overlay:not(.hidden){opacity:1;pointer-events:auto}.modal-content{background:var(--color-bg-alt);border-radius:12px;box-shadow:var(--shadow-lg);width:90%;max-width:600px;max-height:80vh;display:flex;flex-direction:column;border:1px solid var(--color-border);transform:scale(.95);transition:transform var(--transition-normal),background-color var(--transition-normal),border-color var(--transition-normal)}.modal-overlay:not(.hidden) .modal-content{transform:scale(1)}.modal-header{padding:16px 24px;border-bottom:1px solid var(--color-border);display:flex;justify-content:space-between;align-items:center;flex-shrink:0;transition:border-color var(--transition-normal)}.modal-header h2{font-size:18px;font-weight:600;color:var(--color-text);margin:0;transition:color var(--transition-normal)}.close-button{background:none;border:none;font-size:28px;font-weight:300;color:var(--color-text-secondary);cursor:pointer;padding:0 8px;line-height:1;transition:color var(--transition-fast)}.close-button:hover{color:var(--color-text)}.modal-body{padding:8px;overflow-y:auto;flex-grow:1;list-style-type:none;margin:0}.history-item{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-radius:8px;cursor:pointer;transition:background-color var(--transition-fast);margin:4px 8px}.history-item:hover{background-color:var(--color-surface)}.history-item-info{display:flex;flex-direction:column;gap:4px;overflow:hidden;margin-right:16px}.history-item-title{color:var(--color-text);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.history-item-date{font-size:13px;color:var(--color-text-secondary)}.history-item-actions{display:flex;gap:8px;flex-shrink:0}.delete-history-btn{background:transparent;border:none;color:var(--color-text-tertiary);cursor:pointer;padding:4px;font-size:16px;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background-color var(--transition-fast),color var(--transition-fast)}.delete-history-btn:hover{background-color:var(--color-surface-active);color:var(--color-recording)}.empty-history{text-align:center;padding:40px 20px;color:var(--color-text-tertiary)}.empty-history i{font-size:40px;margin-bottom:16px;display:block}.guide-body{padding:24px;list-style-type:none}.guide-body ul{list-style-type:none;padding:0;margin:0}.guide-item{display:flex;align-items:flex-start;gap:16px}.guide-item:not(:last-child){margin-bottom:24px}.guide-item i{font-size:18px;color:var(--color-accent);margin-top:4px;width:24px;text-align:center;flex-shrink:0}.guide-item-content h3{font-size:16px;font-weight:600;color:var(--color-text);margin:0 0 4px}.guide-item-content p{font-size:14px;color:var(--color-text-secondary);margin:0;line-height:1.5}.guide-separator{border:none;height:1px;background-color:var(--color-border);margin:24px 0;transition:background-color var(--transition-normal)}.guide-section{text-align:left}.guide-section h3{font-size:15px;font-weight:600;color:var(--color-text);text-transform:uppercase;letter-spacing:.05em;margin-bottom:16px;text-align:left}.guide-section h4{font-size:14px;font-weight:600;color:var(--color-text);margin-top:16px;margin-bottom:6px}.guide-section p{font-size:14px;color:var(--color-text-secondary);margin:0;line-height:1.6}.modal-content.chat-modal{max-width:700px;height:90vh;max-height:750px}.chat-messages-body{padding:16px 24px!important;display:flex;flex-direction:column;gap:16px}.chat-message{display:flex;max-width:80%;align-items:flex-start;gap:12px}.chat-message .avatar{width:32px;height:32px;border-radius:50%;background:var(--color-surface);color:var(--color-text);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;transition:background-color var(--transition-normal),color var(--transition-normal)}.message-content{padding:10px 14px;border-radius:12px;color:var(--color-text);font-size:15px;line-height:1.6;transition:background-color var(--transition-normal),color var(--transition-normal)}.message-content>*:first-child{margin-top:0}.message-content>*:last-child{margin-bottom:0}.message-content ul,.message-content ol{padding-left:1.2em}.message-content img{max-width:100%;border-radius:8px;margin-bottom:8px}.chat-message.ai-message{align-self:flex-start}.chat-message.ai-message .avatar{background-color:var(--color-accent);color:#fff}.chat-message.ai-message .message-content{background-color:var(--color-surface-hover);border-top-left-radius:4px}.chat-message.user-message{align-self:flex-end;flex-direction:row-reverse}.chat-message.user-message .message-content{background-color:var(--color-accent);color:#fff;border-top-right-radius:4px}.chat-input-area{padding:12px 24px;border-top:1px solid var(--color-border);display:flex;flex-direction:column;gap:8px;flex-shrink:0;background-color:var(--color-bg-alt);border-bottom-left-radius:12px;border-bottom-right-radius:12px;transition:background-color var(--transition-normal),border-color var(--transition-normal)}.chat-input-bar{display:flex;gap:8px;align-items:center;width:100%}.chat-tool-button{flex-shrink:0;width:36px;height:36px;border-radius:50%;background:transparent;border:none;color:var(--color-text-secondary);font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:color var(--transition-fast),background-color var(--transition-fast)}.chat-tool-button:hover{color:var(--color-text);background-color:var(--color-surface-hover)}.chat-tool-button.listening{color:var(--color-recording);animation:pulse 1.5s infinite}@keyframes pulse{0%{box-shadow:0 0 color-mix(in srgb,var(--color-recording) 30%,transparent)}70%{box-shadow:0 0 0 8px color-mix(in srgb,var(--color-recording) 0%,transparent)}to{box-shadow:0 0 color-mix(in srgb,var(--color-recording) 0%,transparent)}}#chatInput{flex-grow:1;background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:18px;padding:8px 14px;font-size:15px;color:var(--color-text);outline:none;transition:border-color var(--transition-fast),box-shadow var(--transition-fast),background-color var(--transition-normal);font-family:var(--font-primary);height:36px}#chatInput:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--color-accent) 25%,transparent)}#sendChatButton{width:36px;height:36px;border-radius:50%;background-color:var(--color-accent);color:#fff;border:none;font-size:14px;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background-color var(--transition-fast),transform var(--transition-fast)}#sendChatButton:hover{filter:brightness(1.1);transform:scale(1.05)}#sendChatButton:disabled{background-color:var(--color-text-tertiary);cursor:not-allowed;transform:scale(1);filter:none}.attachment-preview-container{width:100%}.attachment-preview{background-color:var(--color-surface);border-radius:8px;padding:8px;display:flex;align-items:center;gap:10px;max-width:300px;font-size:13px;border:1px solid var(--color-border);transition:background-color var(--transition-normal),border-color var(--transition-normal)}.attachment-preview-icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background-color:var(--color-surface-hover);border-radius:6px;font-size:20px;color:var(--color-text-secondary);flex-shrink:0;transition:background-color var(--transition-normal),color var(--transition-normal)}.attachment-preview-icon .fa-file-image{color:var(--color-accent-alt)}.attachment-preview-icon .fa-file-pdf{color:#d94a39}.attachment-preview-icon .fa-file-word{color:#2b579a}.attachment-preview-info{flex-grow:1;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;color:var(--color-text-secondary);transition:color var(--transition-normal)}.attachment-preview-remove{width:24px;height:24px;background-color:var(--color-surface-hover);border:none;border-radius:50%;color:var(--color-text-tertiary);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background-color var(--transition-normal),color var(--transition-normal)}.attachment-preview-remove:hover{color:var(--color-text);background-color:var(--color-surface-active)}.attachment-in-message{display:flex;align-items:center;gap:8px;background-color:#0000000d;padding:8px 12px;border-radius:8px;margin-bottom:8px;font-size:14px;border:1px solid rgba(0,0,0,.08)}.attachment-in-message i{font-size:18px;flex-shrink:0}.attachment-in-message span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-message .attachment-in-message{background-color:#fff3;border-color:#ffffff4d}.user-message .attachment-in-message i,.user-message .attachment-in-message span{color:#fff}.ai-message .attachment-in-message .fa-file-image{color:var(--color-accent-alt)}.ai-message .attachment-in-message .fa-file-pdf{color:#d94a39}.ai-message .attachment-in-message .fa-file-word{color:#2b579a}.message-content .thinking-indicator{display:flex;align-items:center;gap:5px;padding:6px 4px}.message-content .thinking-indicator span{width:8px;height:8px;border-radius:50%;background-color:var(--color-text-secondary);animation:bounce 1.4s infinite ease-in-out both}.message-content .thinking-indicator span:nth-child(1){animation-delay:-.32s}.message-content .thinking-indicator span:nth-child(2){animation-delay:-.16s}@keyframes bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.chat-download-btn{align-self:flex-end;margin-left:8px;margin-bottom:4px;width:32px;height:32px;background-color:transparent;border:none;border-radius:50%;color:var(--color-text-tertiary);font-size:14px;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;opacity:0;transform:scale(.8);transition:opacity .2s ease,transform .2s ease,background-color .2s ease,color .2s ease}.chat-message.ai-message:hover .chat-download-btn{opacity:1;transform:scale(1)}.chat-download-btn:hover{background-color:var(--color-surface-active);color:var(--color-accent)}.copy-button{background:var(--color-surface);border:1px solid var(--color-border);width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--color-text-secondary);font-size:14px;cursor:pointer;opacity:0;transform:translateY(5px);pointer-events:none;transition:opacity .2s ease,transform .2s ease,background-color .2s ease;float:right;margin-top:8px;margin-left:8px}.copy-button:not(.hidden){opacity:1;transform:translateY(0);pointer-events:auto}.copy-button:hover{background-color:var(--color-surface-hover);color:var(--color-text)}.copy-button .fa-check{color:var(--color-success)}