:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg-primary:#0d0e14;--bg-secondary:#14151d;--bg-tertiary:#20212c;--bg-input:#191a24;--text-primary:#e9e9f0;--text-secondary:#a6a9ba;--accent:#655cf2;--accent-hover:#5a52e0;--accent-text:#a29bff;--accent-soft:#655cf229;--accent-line:#655cf261;--user-bubble:#655cf2;--assistant-bubble:#191a23;--border-color:#2c2e3d;--scrollbar-thumb:#414455;--scrollbar-track:transparent;--code-bg:#1e2029;--code-block-bg:#0c0d15;--code-block-header:#16172a;--code-block-border:#2c2e4a;--danger:#c9402e;--danger-text:#ff8a7a;--success:#27ae60;--text-weight:400;--shadow-1:0 1px 2px #0006;--shadow-2:0 12px 32px #00000080}[data-theme=light]{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg-primary:#f4f5f9;--bg-secondary:#fff;--bg-tertiary:#eceef4;--bg-input:#fff;--text-primary:#191a21;--text-secondary:#5b616e;--accent:#655cf2;--accent-hover:#574ee0;--accent-text:#3d33c7;--accent-soft:#655cf21a;--accent-line:#655cf252;--user-bubble:#655cf2;--assistant-bubble:#fff;--border-color:#e2e5ee;--scrollbar-thumb:#c6cbd8;--scrollbar-track:transparent;--code-bg:#eef0f6;--danger:#b3261e;--danger-text:#b3261e;--success:#146c2e;--shadow-1:0 1px 2px #1719280f, 0 1px 3px #1719280d;--shadow-2:0 12px 32px #17192829}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-weight:var(--text-weight);background:var(--bg-primary);color:var(--text-primary);-moz-text-size-adjust:100%;text-size-adjust:100%;height:100dvh;transition:background .25s,color .25s;overflow:hidden}::selection{background:var(--accent);color:#fff}:focus-visible{outline:2px solid var(--accent-text,var(--accent));outline-offset:2px}::-webkit-scrollbar{width:12px;height:12px}::-webkit-scrollbar-track{background:var(--scrollbar-track)}::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:6px}::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-thumb);filter:brightness(1.25)}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}#layout{height:100dvh;display:flex;overflow:hidden}#app{flex-direction:column;flex:1;min-width:0;max-width:none;height:100dvh;min-height:0;margin:0;display:flex}#app-main{flex-direction:column;flex:1;min-width:0;min-height:0;display:flex}#sidebar{background:var(--bg-secondary);border-right:1px solid var(--border-color);flex-direction:column;flex-shrink:0;width:max(280px,17.5rem);min-width:max(280px,17.5rem);transition:transform .3s;display:flex;overflow:hidden}#sidebar-header{border-bottom:1px solid var(--border-color);flex-shrink:0;justify-content:space-between;align-items:center;gap:8px;padding:16px;display:flex}#sidebar-header h2{white-space:nowrap;align-items:center;gap:6px;font-size:.9rem;font-weight:700;display:flex}#history-list{overscroll-behavior:contain;flex-direction:column;flex:1;gap:6px;padding:12px 10px;display:flex;overflow-y:auto}.history-empty{text-align:center;color:var(--text-secondary);padding:24px 12px;font-size:.8rem;line-height:1.6}.history-item{cursor:pointer;color:inherit;text-align:left;background:0 0;border:1px solid #0000;border-radius:12px;width:100%;padding:11px 12px;font-family:inherit;transition:background .15s,border-color .15s,color .15s;position:relative}.history-item:hover{background:var(--bg-tertiary);border-color:var(--border-color)}.history-item.active{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:var(--shadow-1)}.history-item-title{white-space:nowrap;text-overflow:ellipsis;padding-right:22px;font-size:.82rem;font-weight:600;overflow:hidden}.history-item.active .history-item-title{color:#fff}.history-preview{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;margin-top:3px;padding-right:4px;font-size:.7rem;overflow:hidden}.history-item.active .history-preview,.history-item.active .history-date{color:#ffffffbf}.history-date{color:var(--text-secondary);margin-top:4px;font-size:.65rem}.history-delete{width:26px;height:26px;color:var(--text-secondary);cursor:pointer;background:#00000014;border:none;border-radius:8px;justify-content:center;align-items:center;font-size:.72rem;transition:background .15s,color .15s;display:none;position:absolute;top:8px;right:8px}.history-item:hover .history-delete{display:flex}.history-delete:hover{background:var(--danger);color:#fff}.history-item.active .history-delete{color:#fff;background:#0003}.history-item.active .history-delete:hover{background:var(--danger)}#sidebar-footer{border-top:1px solid var(--border-color);flex-shrink:0;padding:10px}#clear-all-btn{border:1px solid var(--border-color);width:100%;color:var(--text-secondary);cursor:pointer;background:0 0;border-radius:8px;padding:7px;font-size:.75rem;transition:all .2s}#clear-all-btn:hover{background:var(--danger);color:#fff;border-color:var(--danger)}#sidebar-backdrop{z-index:40;background:#00000080;display:none;position:fixed;inset:0}#menu-btn{background:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-primary);cursor:pointer;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:1.15rem;display:none}header{padding:calc(10px + env(safe-area-inset-top,0px)) 16px 10px;border-bottom:1px solid var(--border-color);background:var(--bg-secondary);flex-shrink:0;justify-content:space-between;align-items:center;gap:12px;display:flex}header h1{letter-spacing:-.01em;flex-shrink:1;align-items:center;gap:8px;min-width:0;font-size:1.05rem;font-weight:600;display:flex}.header-brand{align-items:center;gap:10px;min-width:0;display:flex}.app-title{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.header-actions{flex-shrink:0;align-items:center;gap:6px;display:flex}.btn-icon{color:var(--text-secondary);cursor:pointer;white-space:nowrap;background:0 0;border:1px solid #0000;border-radius:10px;align-items:center;gap:5px;min-height:36px;padding:7px 11px;font-family:inherit;font-size:.84rem;transition:background .15s,color .15s,border-color .15s;display:inline-flex}.btn-icon:hover{background:var(--bg-tertiary);color:var(--text-primary);border-color:var(--border-color)}#new-chat-btn{background:var(--accent);border-color:var(--accent);color:#fff}#new-chat-btn:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:#fff}.btn-icon.danger:hover{background:var(--danger);border-color:var(--danger);color:#fff}#status-bar{color:var(--text-secondary);background:var(--bg-secondary);border-bottom:1px solid var(--border-color);flex-shrink:0;align-items:center;gap:8px;padding:5px 16px;font-size:.74rem;display:flex}#status-text{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.status-dot{background:var(--text-secondary);border-radius:50%;flex-shrink:0;width:8px;height:8px;transition:background .2s,box-shadow .2s}.status-dot.connected{background:var(--success);box-shadow:0 0 0 3px #27ae602e}.status-dot.error{background:var(--danger);box-shadow:0 0 0 3px #c9402e33}#chat-container{overscroll-behavior:contain;box-sizing:border-box;flex-direction:column;flex:1;gap:16px;width:100%;max-width:1024px;margin-inline:auto;padding:18px 16px;display:flex;overflow-y:auto}#scroll-bottom-btn{background:var(--bg-tertiary);border:1px solid var(--border-color);width:36px;height:36px;color:var(--text-primary);cursor:pointer;z-index:6;border-radius:50%;justify-content:center;align-self:center;align-items:center;font-size:1rem;transition:background .2s,color .2s,border-color .2s;display:none;position:sticky;bottom:8px;box-shadow:0 4px 14px #00000059}#scroll-bottom-btn.visible{display:flex}#scroll-bottom-btn:hover{background:var(--accent);border-color:var(--accent);color:#fff}#welcome{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:16px;padding:24px 8px;display:flex}#welcome .emoji{background:var(--accent-soft);border:1px solid var(--accent-line);width:84px;height:84px;box-shadow:var(--shadow-1);border-radius:24px;justify-content:center;align-items:center;font-size:2.6rem;display:flex}#welcome h2{letter-spacing:-.015em;font-size:1.5rem;font-weight:600;line-height:1.3}#welcome p{color:var(--text-secondary);max-width:46ch;font-size:.92rem;line-height:1.6}.quick-prompts{flex-wrap:wrap;justify-content:center;gap:10px;max-width:560px;margin-top:10px;display:flex}.quick-prompt{background:var(--bg-secondary);border:1px solid var(--border-color);color:var(--text-primary);cursor:pointer;min-height:40px;box-shadow:var(--shadow-1);border-radius:999px;padding:10px 18px;font-family:inherit;font-size:.85rem;transition:transform .15s,background .15s,color .15s,border-color .15s}.quick-prompt:hover{background:var(--accent-soft);border-color:var(--accent-line);color:var(--accent-text);transform:translateY(-1px)}.quick-prompt:active{transform:translateY(0)}.message{gap:10px;width:100%;max-width:100%;animation:.3s fadeIn;display:flex}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.message.user{flex-direction:row-reverse}.avatar{border:1px solid var(--border-color);background:var(--bg-tertiary);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;font-size:1rem;display:flex}.message.assistant .avatar{background:var(--accent-soft);border-color:var(--accent-line)}.message.user .avatar{background:var(--accent);border-color:var(--accent)}.bubble{word-wrap:break-word;overflow-wrap:break-word;overflow-wrap:anywhere;border-radius:16px;min-width:0;padding:13px 16px;font-size:.94rem;line-height:1.7}.message.assistant .bubble{flex:auto;width:auto;max-width:calc(100% - 44px)}.message.user .bubble{background:var(--user-bubble);color:#fff;width:fit-content;max-width:calc(100% - 44px);box-shadow:var(--shadow-1);border-bottom-right-radius:4px;flex:0 auto;margin-left:auto}.message.assistant .bubble{background:var(--assistant-bubble);border:1px solid var(--border-color);box-shadow:var(--shadow-1);border-bottom-left-radius:4px}.bubble p{margin:0 0 8px}.bubble p:last-child{margin-bottom:0}.bubble ul,.bubble ol{margin:4px 0 8px 20px}.bubble li{margin-bottom:2px}.bubble h1,.bubble h2,.bubble h3,.bubble h4{margin:12px 0 6px;font-weight:600}.bubble h1{font-size:1.3rem}.bubble h2{font-size:1.15rem}.bubble h3{font-size:1.05rem}.bubble blockquote{border-left:3px solid var(--accent);color:var(--text-secondary);margin:8px 0;padding-left:12px}.bubble table{border-collapse:collapse;width:100%;margin:8px 0;font-size:.85rem}.bubble th,.bubble td{border:1px solid var(--border-color);text-align:left;padding:6px 10px}.bubble th{background:var(--bg-tertiary);font-weight:600}.bubble a{color:var(--accent-text,var(--accent));text-decoration:underline}.bubble hr{border:none;border-top:1px solid var(--border-color);margin:12px 0}.bubble code:not(pre code){background:var(--code-bg);white-space:break-spaces;word-break:break-word;vertical-align:baseline;border-radius:4px;padding:2px 6px;font-family:Fira Code,Consolas,Monaco,monospace;font-size:.85em;display:inline}.bubble-actions{border-top:1px solid var(--border-color);align-items:center;gap:6px;margin-top:10px;padding-top:8px;display:flex}.bubble-action-btn{border:1px solid var(--border-color);min-height:30px;color:var(--text-secondary);cursor:pointer;background:0 0;border-radius:8px;align-items:center;gap:4px;padding:5px 11px;font-family:inherit;font-size:.72rem;transition:background .15s,border-color .15s,color .15s;display:inline-flex}.bubble-action-btn:hover{background:var(--accent-soft);border-color:var(--accent-line);color:var(--accent-text)}.bubble-action-btn:disabled{cursor:default;opacity:.85}.message.user .bubble-actions{border-top-color:#ffffff47}.message.user .bubble-action-btn{color:#fff;border-color:#fff6}.message.user .bubble-action-btn:hover{color:#fff;background:#fff3;border-color:#ffffff8c}.code-block-wrapper{border:1px solid var(--code-block-border);background:var(--code-block-bg);border-radius:10px;max-width:100%;margin:10px 0;display:block;position:relative;overflow:hidden;box-shadow:0 2px 10px #00000059,inset 0 1px #ffffff0a}.code-block-header{background:var(--code-block-header);border-bottom:1px solid var(--code-block-border);color:#a5a6d6;letter-spacing:.02em;justify-content:space-between;align-items:center;padding:7px 12px;font-size:.72rem;font-weight:600;display:flex}.code-block-header span{align-items:center;gap:6px;display:flex}.code-block-header span:before{content:"";background:var(--accent);opacity:.9;width:8px;height:8px;box-shadow:0 0 8px var(--accent-line);border-radius:50%}.copy-btn{color:#c5c6e0;cursor:pointer;background:#ffffff12;border:1px solid #ffffff14;border-radius:8px;min-height:30px;padding:5px 11px;font-family:inherit;font-size:.72rem;transition:background .15s,color .15s,border-color .15s}.copy-btn:hover{background:var(--accent);color:#fff;border-color:var(--accent)}.code-block-wrapper pre{white-space:pre;overflow-wrap:normal;word-break:normal;min-width:0;max-width:100%;font-size:.85rem;line-height:1.6;overflow:auto hidden;background:var(--code-block-bg)!important;margin:0!important;padding:14px 16px!important}.code-block-wrapper pre code{color:#e6e6f0;white-space:pre;word-break:normal;overflow-wrap:normal;font-family:Fira Code,Consolas,Monaco,monospace;background:0 0!important;padding:0!important}.code-block-wrapper pre code.hljs{background:0 0!important}.katex-display{vertical-align:middle;padding:0 1px;overflow-x:visible;margin:0!important;display:inline-block!important}.katex-mathml{clip:rect(1px, 1px, 1px, 1px)!important;clip-path:inset(50%)!important;white-space:nowrap!important;border:0!important;width:1px!important;height:1px!important;margin:-1px!important;padding:0!important;position:absolute!important;overflow:hidden!important}.math-wrapper.display .katex-html:has(.tag){padding-right:2.5em}.math-wrapper{vertical-align:middle;cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:6px;flex-wrap:wrap;align-items:center;gap:4px;max-width:100%;margin:0 1px;padding:1px 4px;transition:background .15s,box-shadow .15s,transform .12s;display:inline-flex;position:relative}.math-wrapper:hover{background:var(--accent-soft);box-shadow:0 0 0 1px var(--accent-line)}.math-wrapper:active{background:var(--accent-soft);transform:scale(.97)}.math-wrapper:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.math-wrapper.copied{background:#27ae6024;box-shadow:0 0 0 1px #27ae6059}.math-wrapper.display{vertical-align:middle;justify-content:center;align-items:center;width:auto;margin:0 2px;display:inline-flex}.math-wrapper .math-render{pointer-events:none;align-items:center;max-width:100%;display:inline-flex}.math-wrapper.display .math-render{display:inline-flex}.math-wrapper.display .katex-display{margin:0!important;display:inline-block!important}.math-copy-toast{bottom:calc(24px + env(safe-area-inset-bottom,0px));color:#fff;z-index:9999;text-align:center;background:#1a1a2e;border:1px solid #ffffff1a;border-radius:10px;max-width:90%;padding:12px 18px;font-size:.85rem;line-height:1.5;animation:.3s fadeIn;position:fixed;left:50%;transform:translate(-50%);box-shadow:0 8px 24px #0006}[data-theme=light] .math-copy-toast{background:#1e1e32}.typing-indicator{gap:4px;padding:4px 0;display:flex}.typing-indicator span{background:var(--text-secondary);border-radius:50%;width:7px;height:7px;animation:1.4s infinite bounce}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes bounce{0%,60%,to{opacity:.4;transform:translateY(0)}30%{opacity:1;transform:translateY(-8px)}}.thinking-block{border:1px solid var(--border-color);background:#171722;border-radius:12px;margin-bottom:12px;overflow:hidden}.thinking-header{border:none;border-bottom:1px solid var(--border-color);width:100%;color:var(--text-secondary);cursor:pointer;background:#1f1f2e;justify-content:space-between;align-items:center;gap:8px;padding:9px 12px;font-family:inherit;font-size:.76rem;font-weight:600;transition:background .2s;display:flex}.thinking-header:hover{background:#25253a}.thinking-block.done .thinking-header{background:var(--accent-soft);color:var(--text-primary);border-bottom-color:var(--accent-line)}.thinking-header-left{align-items:center;gap:8px;min-width:0;display:flex}.thinking-spinner{border:2px solid #ffffff2e;border-top-color:var(--accent);border-radius:50%;flex-shrink:0;width:13px;height:13px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.thinking-title{white-space:nowrap}.thinking-timer{color:var(--text-secondary);background:#ffffff12;border-radius:20px;margin-left:2px;padding:2px 6px;font-size:.68rem;font-weight:500}.thinking-block.done .thinking-timer{background:var(--accent-soft);color:var(--accent-text,var(--accent))}.thinking-chevron{opacity:.7;flex-shrink:0;font-size:.65rem;transition:transform .2s}.thinking-content{color:#b8b8c8;white-space:pre-wrap;word-break:break-word;background:#15151f;max-height:260px;padding:12px;font-size:.8rem;line-height:1.6;overflow-y:auto}.thinking-content p{margin:0 0 8px}.thinking-content p:last-child{margin-bottom:0}.thinking-content code:not(pre code){background:#ffffff14;border-radius:4px;padding:1px 5px;font-size:.85em}.thinking-content pre{background:#0f0f17;border:1px solid #2a2a3a;border-radius:8px;margin:8px 0;padding:10px;overflow-x:auto}.thinking-placeholder{opacity:.6;font-size:.78rem;font-style:italic}.answer-content{min-height:1em}#input-area{padding:14px 16px calc(12px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--border-color);background:var(--bg-secondary);flex-direction:column;flex-shrink:0;display:flex}.input-wrapper{align-items:flex-end;gap:10px;width:100%;max-width:1024px;margin-inline:auto;display:flex}#attach-btn,#doc-btn{background:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:1.25rem;transition:all .2s;display:flex}#attach-btn:hover,#doc-btn:hover,#attach-btn.has-images,#doc-btn.has-docs{background:var(--accent);color:#fff;border-color:var(--accent)}#image-preview-bar{flex-wrap:wrap;align-items:center;gap:10px;width:100%;max-width:1024px;margin-inline:auto;padding:0 0 12px;display:none}#image-preview-bar.visible{display:flex}.preview-item{border:1px solid var(--border-color);background:var(--bg-tertiary);border-radius:12px;flex-shrink:0;width:84px;height:84px;position:relative;overflow:hidden}.preview-item img{object-fit:cover;width:100%;height:100%;display:block}.preview-remove{color:#fff;cursor:pointer;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#000000a6;border:none;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;font-size:.75rem;display:flex;position:absolute;top:4px;right:4px}.preview-remove:hover{background:var(--danger)}.preview-info{color:#fff;text-align:center;white-space:nowrap;text-overflow:ellipsis;background:linear-gradient(#0000,#000000a6);padding:12px 4px 4px;font-size:.6rem;position:absolute;bottom:0;left:0;right:0;overflow:hidden}.bubble-images{flex-wrap:wrap;gap:8px;margin-bottom:8px;display:flex}.bubble-images img{border:1px solid var(--border-color);object-fit:cover;cursor:zoom-in;background:var(--bg-tertiary);border-radius:10px;max-width:240px;max-height:220px;transition:transform .15s}.bubble-images img:hover{transform:scale(1.02)}.message.user .bubble-images img{border-color:#ffffff40}.bubble-files{flex-wrap:wrap;gap:6px;margin-bottom:8px;display:flex}.file-chip{border:1px solid var(--border-color);max-width:340px;color:inherit;cursor:pointer;text-align:left;background:#ffffff14;border-radius:8px;align-items:center;gap:6px;padding:5px 10px;font-family:inherit;font-size:.72rem;transition:border-color .2s,background .2s;display:inline-flex}.file-chip:hover{border-color:var(--accent);background:#6c63ff1f}.message.user .file-chip{background:#ffffff24;border-color:#ffffff40}.file-chip-icon{flex-shrink:0;font-size:.95rem}.file-chip-name{text-overflow:ellipsis;white-space:nowrap;max-width:170px;font-weight:600;overflow:hidden}.file-chip-meta{opacity:.75;white-space:nowrap;flex-shrink:0}.file-chip-truncated{color:var(--danger-text,var(--danger));font-weight:700}.preview-item.doc{border-radius:10px;flex-direction:row;align-items:center;gap:8px;width:auto;min-width:150px;max-width:280px;height:64px;padding:0 30px 0 10px;display:flex;overflow:hidden}.preview-item.doc .doc-icon{flex-shrink:0;font-size:1.25rem}.preview-item.doc .doc-text{flex-direction:column;gap:2px;min-width:0;display:flex}.preview-item.doc .doc-name{white-space:nowrap;text-overflow:ellipsis;max-width:190px;font-size:.72rem;font-weight:600;overflow:hidden}.preview-item.doc .doc-meta{color:var(--text-secondary);white-space:nowrap;font-size:.6rem}#doc-viewer .modal.doc-modal{width:92vw;max-width:920px}.doc-viewer-meta{color:var(--text-secondary);margin:-8px 0 12px;font-size:.72rem;line-height:1.6}.doc-viewer-body{white-space:pre-wrap;word-break:break-word;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:10px;max-height:60vh;padding:12px 14px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.78rem;line-height:1.6;overflow:auto}#img-lightbox{z-index:200;cursor:zoom-out;padding:calc(20px + env(safe-area-inset-top,0px)) calc(20px + env(safe-area-inset-right,0px)) calc(20px + env(safe-area-inset-bottom,0px)) calc(20px + env(safe-area-inset-left,0px));background:#000000d9;justify-content:center;align-items:center;display:none;position:fixed;inset:0}#img-lightbox.open{display:flex}#img-lightbox img{object-fit:contain;border-radius:12px;max-width:92vw;max-height:92vh;box-shadow:0 8px 32px #0009}.drag-over{outline:2px dashed var(--accent);outline-offset:-2px;background:var(--accent-soft)}#user-input{background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-primary);resize:none;border-radius:14px;outline:none;flex:1;height:auto;max-height:40dvh;padding:12px 16px;font-family:inherit;font-size:.92rem;line-height:1.5;transition:border-color .15s,box-shadow .15s;overflow:hidden auto}#user-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}#user-input:focus-visible,.form-group input:focus-visible,.form-group select:focus-visible,.form-group textarea:focus-visible{outline:2px solid var(--accent-text,var(--accent));outline-offset:1px}#user-input::placeholder{color:var(--text-secondary)}#send-btn{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:1.2rem;transition:all .2s;display:flex}#send-btn:hover{background:var(--accent-hover);transform:scale(1.05)}#send-btn:active{transform:scale(.96)}#send-btn:disabled{opacity:.4;cursor:not-allowed;transform:none}#stop-btn{background:var(--danger);color:#fff;cursor:pointer;border:none;border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:1rem;transition:all .2s;display:none}#stop-btn:hover{opacity:.8}.input-hint{color:var(--text-secondary);text-align:center;margin-top:8px;width:100%;max-width:1024px;margin-inline:auto;font-size:.72rem;line-height:1.5}.hint-mobile{display:none}.modal-overlay{z-index:100;overscroll-behavior:contain;background:#04050aa8;justify-content:center;align-items:center;padding:16px;display:none;position:fixed;inset:0}.modal-overlay.active{display:flex}.modal{background:var(--bg-secondary);border:1px solid var(--border-color);overscroll-behavior:contain;width:100%;max-width:max(520px,32.5rem);max-height:88dvh;box-shadow:var(--shadow-2);border-radius:18px;padding:22px;overflow-y:auto}.modal h2{align-items:center;gap:8px;margin-bottom:16px;font-size:1.1rem;display:flex}.form-group{margin-bottom:14px}.form-group label{color:var(--text-secondary);margin-bottom:4px;font-size:.8rem;font-weight:500;display:block}.form-group input,.form-group select,.form-group textarea{background:var(--bg-input);border:1px solid var(--border-color);width:100%;color:var(--text-primary);border-radius:8px;outline:none;padding:10px 12px;font-family:inherit;font-size:.88rem}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--accent)}.form-group .hint{color:var(--text-secondary);margin-top:2px;font-size:.72rem}.modal-actions{justify-content:flex-end;gap:8px;margin-top:16px;display:flex}#settings-modal .modal,#display-modal .modal{padding-bottom:0}.modal-footer{z-index:2;background:var(--bg-secondary);border-top:1px solid var(--border-color);padding:12px 0 24px;position:sticky;bottom:0}.modal-footer .modal-actions{margin-top:0}.btn{cursor:pointer;border:1px solid var(--border-color);border-radius:8px;padding:8px 18px;font-size:.88rem;font-weight:500;transition:all .2s}.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary)}.btn-secondary:hover{background:var(--border-color)}.btn-test{background:var(--success);color:#fff;border-color:var(--success)}.btn-test:hover{opacity:.85}[data-theme=dark] .btn-test{color:#000}.toggle-row{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.toggle-row label{margin-bottom:0}.toggle{width:40px;height:22px;position:relative}.toggle input{opacity:0;width:0;height:0}.toggle-slider{cursor:pointer;background:var(--bg-tertiary);border-radius:22px;transition:all .3s;position:absolute;inset:0}.toggle-slider:before{content:"";background:#fff;border-radius:50%;width:16px;height:16px;transition:all .3s;position:absolute;bottom:3px;left:3px}.toggle input:checked+.toggle-slider{background:var(--accent)}.toggle input:checked+.toggle-slider:before{transform:translate(18px)}.test-result{border-radius:8px;margin-top:8px;padding:8px 12px;font-size:.8rem;display:none}.test-result.success{border:1px solid var(--success);color:var(--success);background:#27ae6026;display:block}.test-result.error{border:1px solid var(--danger);color:var(--danger-text,var(--danger));background:#e74c3c26;display:block}#context-bar{background:var(--bg-secondary);border-bottom:1px solid var(--border-color);color:var(--text-secondary);flex-shrink:0;align-items:center;gap:12px;padding:8px 16px;font-size:.72rem;display:none}#context-bar.visible{display:flex}#context-bar-label{white-space:nowrap;align-items:center;gap:6px;font-weight:600;display:flex}#context-bar-track{background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:99px;flex:1;min-width:40px;height:8px;position:relative;overflow:hidden}#context-manual-btn{background:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;white-space:nowrap;border-radius:8px;padding:4px 10px;font-family:inherit;font-size:.68rem;transition:background .15s,color .15s,border-color .15s}#context-manual-btn:hover{background:var(--accent-soft);border-color:var(--accent-line);color:var(--accent-text)}#context-manual-btn:disabled{opacity:.5;cursor:not-allowed}#context-bar-fill{background:var(--accent);border-radius:99px;width:0%;height:100%;transition:width .4s,background .3s}#context-bar-fill.warn{background:#f39c12}#context-bar-fill.danger{background:var(--danger)}#context-bar-text{white-space:nowrap;font-variant-numeric:tabular-nums;text-align:right;min-width:110px}#context-compacted-badge{background:var(--accent-soft);border:1px solid var(--accent-line);color:var(--accent-text,var(--accent));white-space:nowrap;border-radius:20px;padding:3px 8px;font-size:.68rem;font-weight:600;display:none}#context-compacted-badge.on{align-items:center;gap:4px;display:inline-flex}.context-notice{background:var(--accent-soft);border:1px solid var(--accent-line);color:var(--text-primary);text-align:center;box-shadow:var(--shadow-1);border-radius:10px;margin:6px 0;padding:10px 14px;font-size:.78rem;font-weight:500;line-height:1.5;animation:.3s fadeIn}.context-group{background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:10px;margin-bottom:14px;padding:14px}.context-group-title{align-items:center;gap:6px;margin-bottom:10px;font-size:.85rem;font-weight:700;display:flex}.range-row{align-items:center;gap:10px;display:flex}.range-row input[type=range]{accent-color:var(--accent);flex:1}.range-val{text-align:center;background:var(--bg-input);border:1px solid var(--border-color);border-radius:8px;min-width:44px;padding:4px 6px;font-size:.78rem;font-weight:600}.context-estimate{background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-secondary);border-radius:8px;margin-top:8px;padding:8px 10px;font-size:.72rem;line-height:1.5}.context-estimate strong{color:var(--text-primary)}@media (max-width:860px){#sidebar{z-index:50;width:min(max(280px,17.5rem),88vw);min-width:0;box-shadow:var(--shadow-2);padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);position:fixed;top:0;bottom:0;left:0;transform:translate(-100%)}#sidebar.open{transform:translate(0)}#sidebar-backdrop.open{display:block}#menu-btn{display:flex}}@media (max-width:600px){body,#layout{overflow-x:hidden}header{padding:calc(6px + env(safe-area-inset-top,0px)) 10px 6px;gap:8px}header h1{gap:6px;font-size:.95rem}.header-actions{gap:2px}.btn-icon{justify-content:center;gap:0;min-width:44px;min-height:44px;padding:0 6px;font-size:1.1rem}.btn-icon span{display:none}#status-bar{gap:6px;padding:5px 12px;font-size:.7rem}#context-bar{gap:8px;padding:6px 12px;font-size:.7rem}#context-bar-text{min-width:0;font-size:.7rem}#context-manual-btn{padding:5px 9px;font-size:.68rem}#chat-container{gap:12px;padding:12px 10px}.message{gap:8px}.avatar{width:30px;height:30px;font-size:.9rem}.bubble{border-radius:14px;padding:11px 13px}.message.assistant .bubble,.message.user .bubble{max-width:calc(100% - 38px)}#input-area{padding:10px 10px calc(8px + env(safe-area-inset-bottom,0px))}.input-wrapper{gap:8px}#attach-btn,#doc-btn,#send-btn,#stop-btn{border-radius:12px;width:44px;height:44px}#user-input{padding:11px 14px;font-size:max(16px,.95rem)}.form-group input,.form-group select,.form-group textarea{font-size:max(16px,.92rem)}.input-hint{margin-top:6px;font-size:.68rem}.hint-desktop{display:none}.hint-mobile{display:inline}#image-preview-bar{gap:8px;padding:0 0 8px}.preview-item{width:68px;height:68px}.bubble-images img{max-width:100%;max-height:240px}.bubble table{display:block;overflow-x:auto}.bubble th,.bubble td{white-space:nowrap}.modal-overlay{align-items:flex-end;padding:0}.modal{max-width:100%;max-height:92dvh;padding:18px 16px calc(16px + env(safe-area-inset-bottom,0px));border-bottom:none;border-radius:18px 18px 0 0}.modal-footer{padding:12px 0 calc(14px + env(safe-area-inset-bottom,0px))}.modal-actions{gap:8px}.modal-actions .btn{flex:1 1 0;min-height:44px}#doc-viewer .modal.doc-modal{width:100%;max-width:100%}.doc-viewer-body{max-height:55dvh}}@media (max-width:480px){header h1{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}#context-manual-btn .btn-label{display:none}}@media (hover:none),(pointer:coarse){.history-delete{width:32px;height:32px;display:flex;top:6px;right:6px}.history-item-title,.history-preview{padding-right:40px}.history-item{min-height:44px}.bubble-action-btn{min-height:40px;padding:8px 14px;font-size:.75rem}.copy-btn{min-height:40px;padding:8px 14px}.quick-prompt{min-height:44px;padding:11px 20px}#scroll-bottom-btn{width:44px;height:44px}#context-manual-btn{min-height:36px}.modal-actions .btn{min-height:44px}.toggle:after{content:"";position:absolute;inset:-11px -10px}}[data-theme=light] .code-block-wrapper{background:#0f0f1e;border-color:#2d2d4a;box-shadow:0 2px 12px #00000026}[data-theme=light] .code-block-wrapper pre{background:#0f0f1e!important}[data-theme=light] .code-block-header{color:#c5c6e0;background:#1e1e32;border-bottom-color:#2d2d4a}[data-theme=light] .thinking-block{background:var(--bg-primary);border-color:var(--border-color)}[data-theme=light] .thinking-header{background:var(--bg-tertiary);border-bottom-color:var(--border-color);color:var(--text-secondary)}[data-theme=light] .thinking-header:hover{background:var(--border-color)}[data-theme=light] .thinking-content{background:var(--bg-secondary);color:var(--text-secondary);border-top:1px solid var(--border-color)}[data-theme=light] .thinking-content pre{background:var(--bg-primary);border-color:var(--border-color)}[data-theme=light] .bubble code:not(pre code){background:var(--code-bg)}[data-theme=light] #sidebar{box-shadow:var(--shadow-1)}[data-theme=light] .mermaid-error{color:#ff8a7a}[data-contrast=high]{--bg-primary:#000;--bg-secondary:#050505;--bg-tertiary:#1f1f1f;--bg-input:#000;--text-primary:#fff;--text-secondary:#cfcfcf;--accent:#5f55e8;--accent-hover:#4f45d6;--accent-text:#b9b3ff;--accent-soft:#5f55e852;--accent-line:#b9b3ff;--user-bubble:#4c42cf;--assistant-bubble:#121212;--border-color:#9a9a9a;--scrollbar-thumb:#9a9a9a;--code-block-bg:#000;--code-block-header:#17172e;--code-block-border:#7c7cb5;--danger:#c9402e;--danger-text:#ff8a7a;--success:#4ade80;--shadow-1:none;--shadow-2:none}[data-theme=light][data-contrast=high]{--bg-primary:#fff;--bg-secondary:#fff;--bg-tertiary:#ededed;--bg-input:#fff;--text-primary:#000;--text-secondary:#2f2f2f;--accent:#3d33c7;--accent-hover:#2f27a6;--accent-text:#3d33c7;--accent-soft:#3d33c724;--accent-line:#3d33c7;--user-bubble:#3d33c7;--assistant-bubble:#f4f4f4;--border-color:#595959;--scrollbar-thumb:#595959;--danger:#b3261e;--danger-text:#b3261e;--success:#146c2e;--shadow-1:none;--shadow-2:none}[data-contrast=high] :focus-visible{outline:3px solid var(--accent-text,var(--accent));outline-offset:2px}[data-contrast=high] #user-input:focus-visible,[data-contrast=high] .form-group input:focus-visible,[data-contrast=high] .form-group select:focus-visible,[data-contrast=high] .form-group textarea:focus-visible{outline:3px solid var(--accent-text,var(--accent));outline-offset:1px}[data-contrast=high] .toggle-slider{border:1px solid var(--border-color)}[data-contrast=high] .history-item.active .history-preview,[data-contrast=high] .history-item.active .history-date{color:#fff}[data-theme=dark][data-contrast=high] .mermaid-wrapper .mermaid{background:#000}[data-textsize=kecil]{font-size:87.5%}[data-textsize=normal]{font-size:100%}[data-textsize=besar]{font-size:112.5%}[data-textsize=sangat-besar]{font-size:125%}[data-textsize=ekstra-besar]{font-size:150%}[data-textweight=sedang]{--text-weight:500}[data-textweight=tebal]{--text-weight:600}[data-textcontrast=tinggi]{--text-primary:#fff;--text-secondary:#cfcfcf}[data-theme=light][data-textcontrast=tinggi]{--text-primary:#000;--text-secondary:#2f2f2f}.mermaid-wrapper{border:1px solid var(--code-block-border);background:var(--code-block-bg);border-radius:10px;margin:12px 0;overflow:hidden;box-shadow:0 2px 10px #00000040}.mermaid-header{background:var(--code-block-header);border-bottom:1px solid var(--code-block-border);color:#a5a6d6;letter-spacing:.02em;justify-content:space-between;align-items:center;padding:6px 12px;font-size:.7rem;font-weight:600;display:flex}.mermaid-header span{align-items:center;gap:6px;display:flex}.mermaid-header span:before{content:"";background:var(--accent);opacity:.9;width:8px;height:8px;box-shadow:0 0 8px var(--accent-line);border-radius:50%}.mermaid-actions{align-items:center;gap:6px;display:flex}.mermaid-copy-btn,.mermaid-dl-btn{padding:4px 10px;font-size:.72rem}.mermaid-dl-btn{background:var(--accent);color:#fff;border-color:var(--accent)}.mermaid-dl-btn:hover{background:var(--accent-hover);border-color:var(--accent-hover);filter:brightness(1.05)}.mermaid-dl-btn:disabled{opacity:.6;cursor:not-allowed}.mermaid-wrapper .mermaid{background:#fff;justify-content:center;align-items:center;min-height:60px;padding:18px 14px;display:flex;overflow-x:auto}[data-theme=dark] .mermaid-wrapper .mermaid,:root:not([data-theme=light]) .mermaid-wrapper .mermaid{background:#1a1a2e}.mermaid-wrapper .mermaid svg{max-width:100%;height:auto}.mermaid-error{color:var(--danger-text,var(--danger));white-space:pre-wrap;word-break:break-word;background:#e74c3c14;border-radius:8px;padding:10px 12px;font-size:.8rem;line-height:1.5}[data-theme=dark] .mermaid-wrapper{border-color:#2d2d4a}