:root{--bg:#212121;--panel:#171717;--panel-2:#303030;--panel-3:#3b3b3b;--border:#424242;--border-soft:#303030;--border-strong:#686868;--text:#ececec;--text-dim:#b4b4b4;--text-faint:#909090;--accent:#ececec;--accent-2:#ececec;--accent-hover:#fff;--accent-dim:#333;--accent-soft:#383838;--assistant-bubble:transparent;--success:#5eb88b;--shadow:0 2px 12px #0002}
:root[data-theme=light]{--bg:#fff;--panel:#f9f9f9;--panel-2:#f4f4f4;--panel-3:#e9e9e9;--border:#e3e3e3;--border-soft:#ececec;--border-strong:#aaa;--text:#202020;--text-dim:#626262;--text-faint:#858585;--accent:#202020;--accent-2:#202020;--accent-hover:#000;--accent-dim:#eee;--accent-soft:#eee;--assistant-bubble:transparent;--success:#23855a;--shadow:0 2px 12px #00000008}
*{box-sizing:border-box}body{font-family:Arial,"Segoe UI","Microsoft JhengHei",sans-serif;letter-spacing:0;line-height:1.65}svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}button,input,textarea{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid #8dace1;outline-offset:3px}[hidden]{display:none!important}
#app{height:100dvh;overflow:hidden}main{padding:0;flex:1;overflow:hidden;min-height:0}#tab-chat.active{height:100%;display:flex;gap:0}#conv-sidebar{width:240px;min-width:240px;background:var(--panel);border:0;display:flex;flex-direction:column;padding:10px 10px 8px;overflow:hidden;box-shadow:none;border-radius:0}.sidebar-brand{display:flex;align-items:center;gap:9px;padding:4px 7px 15px;font-weight:600}.brand-symbol{width:29px;height:29px;background:var(--text);color:var(--bg);display:grid;place-items:center;border-radius:50%;font-size:15px}.sidebar-brand .icon-btn{margin-left:auto}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:0;border-radius:9px;background:transparent;color:var(--text);padding:8px;flex-shrink:0}.icon-btn:hover,.toolbar-btn:hover{background:var(--panel-3)}.new-btn,.sidebar-action{width:100%;display:flex;align-items:center;gap:12px;text-align:left;background:transparent;color:var(--text);border:0;border-radius:9px;padding:10px 9px;font-size:14px;font-weight:400;box-shadow:none;margin:0}.new-btn:hover,.sidebar-action:hover{background:var(--panel-3)}.new-btn svg,.sidebar-action svg{width:19px;height:19px}.new-btn kbd,.sidebar-action kbd{margin-left:auto;font-size:10px;font-family:inherit;color:var(--text-faint);opacity:0}.new-btn:hover kbd,.sidebar-action:hover kbd{opacity:1}.sidebar-section-label{padding:25px 9px 7px;font-size:12px;color:var(--text-faint)}.conv-toolbar{padding:0 6px 5px;gap:8px;min-height:23px;border:0}.conv-toolbar-btn{background:transparent;color:var(--text-dim);font-size:11px;border:0;padding:2px 3px}.conv-toolbar-btn:hover{color:var(--text)}#conv-list{overflow:auto;flex:1;padding:0 0 12px;min-height:0}.conv-item{display:flex;align-items:center;gap:3px;min-height:38px;padding:6px 8px;border-radius:8px;border:0;background:transparent;margin:1px 0;box-shadow:none}.conv-item:hover,.conv-item.active{background:var(--panel-3)}.conv-item-title{font-size:13px;font-weight:400;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1;cursor:pointer}.conv-item-delete,.conv-item-rename{border:0;color:var(--text-dim);background:transparent;border-radius:5px;padding:4px;width:25px;height:26px;opacity:0;display:grid;place-items:center;flex-shrink:0}.conv-item-delete svg,.conv-item-rename svg{width:15px;height:15px}.conv-item:hover button,.conv-item:focus-within button,.conv-item.active button{opacity:1}.conv-item-delete:hover{color:var(--danger)}.conv-item-rename:hover{color:var(--text)}.sidebar-account{display:flex;align-items:center;gap:10px;padding:12px 7px 8px;border:0;background:transparent;color:var(--text);text-align:left;border-radius:10px;margin-top:auto}.sidebar-account:hover{background:var(--panel-3)}.account-avatar{display:grid;place-items:center;width:33px;height:33px;background:#526661;border-radius:50%;color:#fff;font-size:13px}.sidebar-account strong{display:block;font-size:13px;font-weight:500}.sidebar-account small{display:flex;align-items:center;gap:5px;font-size:10px;color:var(--text-faint)}.sidebar-account>svg{margin-left:auto;width:18px}.online-dot{width:5px;height:5px;display:inline-block;border-radius:50%;background:var(--success)}
#chat-main{position:relative;display:flex;flex-direction:column;flex:1;min-width:0;min-height:0;background:var(--bg)}.chat-topbar{height:64px;min-height:64px;padding:10px 20px;display:flex;align-items:center;gap:9px;border:0;background:transparent}.chat-topbar #sidebar-toggle-btn{display:inline-flex}.model-button{display:flex;align-items:center;gap:7px;border:0;background:transparent;color:var(--text);font-size:19px;font-weight:500;padding:5px 7px;border-radius:9px}.model-button:hover{background:var(--panel-2)}.model-button>span{font-size:16px;color:var(--text-faint)}.model-button svg{width:14px;height:14px;color:var(--text-faint)}.topbar-spacer{flex:1}.toolbar-btn{display:inline-flex;align-items:center;gap:6px;padding:7px 10px;font-size:12px;border:1px solid transparent;border-radius:20px;background:transparent;color:var(--text-dim);white-space:nowrap}.toolbar-btn svg{width:17px;height:17px}.toolbar-btn[aria-pressed=true]{background:var(--panel-3);color:var(--text);border-color:var(--border)}.model-popover{position:absolute;top:57px;left:52px;z-index:40;border:1px solid var(--border);background:var(--panel-2);border-radius:15px;padding:18px 20px;box-shadow:var(--shadow);width:295px;font-size:13px}.model-popover p{margin:7px 0;color:var(--text-dim)}.model-popover small{font-size:11px;color:var(--text-faint)}
#chat-messages{flex:1;overflow:auto;display:flex;flex-direction:column;gap:25px;padding:30px 28px 36px;scroll-behavior:smooth;min-height:0;background:transparent}.bubble{position:relative;max-width:100%;width:100%;border:0;border-radius:0;box-shadow:none;font-size:15px;line-height:1.85;padding:0;background:transparent;overflow-wrap:anywhere}.bubble.user{align-self:flex-end;background:var(--panel-2);color:var(--text);padding:11px 19px;border-radius:24px;width:fit-content;max-width:78%;background-image:none}.bubble.assistant{align-self:flex-start;background:var(--panel);border:1px solid var(--border);border-radius:18px;padding:20px 22px;width:100%;min-width:0}.bubble.assistant.thinking{width:fit-content;padding:13px 18px}.bubble.assistant.streaming{white-space:normal}.bubble-actions{display:flex;gap:3px;padding-top:9px;border:0;margin-top:0;opacity:.65}.bubble-actions:hover{opacity:1}.bubble-action-btn{border:0;background:transparent;color:var(--text-dim);padding:5px;border-radius:7px}.bubble-action-btn:hover{background:var(--panel-2)}.bubble-action-btn svg{width:17px;height:17px}.bubble p{margin:0 0 12px}.bubble>p:last-of-type{margin-bottom:0}.bubble h1,.bubble h2,.bubble h3{margin:19px 0 8px;line-height:1.5}.bubble ul,.bubble ol{padding-left:24px}.bubble pre,.code-block{background:var(--panel);border:1px solid var(--border-soft);border-radius:14px;overflow:hidden}.code-block pre{border:0;margin:0;border-radius:0;padding:15px;overflow:auto}.code-header{display:flex;justify-content:space-between;padding:9px 14px;font-size:11px;background:var(--panel-2);color:var(--text-dim)}.bubble table{width:100%;border-collapse:collapse;display:block;overflow:auto}.bubble td,.bubble th{padding:8px 12px;border-bottom:1px solid var(--border);text-align:left}.bubble-image{max-width:240px;max-height:220px;border-radius:12px;display:block;margin-bottom:8px}.bubble-doc-chip{display:flex;gap:7px;align-items:center;font-size:12px;padding:6px 0}.bubble-doc-chip svg{width:16px}.bubble.thinking{display:flex;gap:9px;align-items:center;color:var(--text-dim);width:fit-content}.thinking-text{font-size:14px}.thinking-elapsed{font-size:12px;color:var(--text-faint)}.typing-dots span{width:4px;height:4px;background:var(--text-dim)}.source-cards{margin-top:15px;display:flex;gap:7px;flex-wrap:wrap}.source-card{background:var(--panel-2);border:1px solid var(--border);border-radius:12px;color:var(--text);font-size:12px}
.chat-empty{text-align:center;display:flex;flex-direction:column;align-items:center;padding:0;margin:0;color:var(--text)}.chat-empty .icon-circle{display:none}.chat-empty h1{font-size:29px;font-weight:500;letter-spacing:-.6px;margin:0 0 25px}.chat-empty p{margin:0}.chat-empty .hint{font-size:13px;color:var(--text-faint)}#chat-main.is-empty #chat-messages{flex:0;overflow:visible;padding-top:clamp(85px,22vh,220px);padding-bottom:0}#chat-main.is-empty #chat-input-row{margin-top:0;margin-bottom:auto}.empty-suggestions{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:18px}.suggestion-chip{border:1px solid var(--border);border-radius:20px;background:transparent;color:var(--text-dim);padding:8px 13px;font-size:12px}.suggestion-chip:hover{background:var(--panel-2);color:var(--text)}
#chat-input-row{width:100%;max-width:none;box-sizing:border-box;padding:14px 28px 7px;margin:0;border:0;background:transparent;flex-shrink:0}.chat-input-wrap{position:relative;display:flex;flex-direction:column;gap:0;background:var(--panel-2);border:1px solid var(--border-soft);border-radius:27px;padding:12px 12px 8px;box-shadow:0 2px 9px #00000006;align-items:stretch}.chat-input-wrap:focus-within{border-color:var(--border)}#chat-input{width:100%;margin:0;min-height:34px;max-height:160px;padding:3px 9px 9px;resize:none;border:0;outline:none!important;background:transparent;color:var(--text);font-size:15px;line-height:1.6;box-shadow:none}#chat-input::placeholder{color:var(--text-faint)}.composer-toolbar{display:flex;align-items:center;justify-content:space-between;gap:6px}.composer-tools{display:flex;align-items:center;gap:5px}.chat-attach-btn{position:static}.chat-send-btn{display:grid;place-items:center;border:0;background:var(--text);color:var(--bg);width:34px;height:34px;padding:7px;border-radius:50%;box-shadow:none;flex-shrink:0}.chat-send-btn:hover{filter:none;opacity:.8}.chat-send-btn:disabled{opacity:.35}.chat-send-btn svg{width:20px;height:20px}.composer-note{text-align:center;font-size:10px;color:var(--text-faint);margin:9px 0 0}.recording-status{font-size:11px;color:var(--danger);margin-left:auto}.recording-active{color:var(--danger);background:var(--danger-soft)}#chat-attachment-preview{display:flex;justify-content:flex-start;align-self:stretch;width:100%;max-width:none;margin:0 0 8px;gap:7px;flex-wrap:wrap;padding:0 9px;text-align:left}#chat-attachment-preview:not(:empty){padding-bottom:10px}.attachment-item,.attachment-doc{position:relative;border:1px solid var(--border);border-radius:12px;overflow:hidden;background:var(--panel);font-size:11px;max-width:210px}.attachment-item img{width:58px;height:58px;object-fit:cover}.attachment-remove{position:absolute;right:2px;top:2px;border:0;border-radius:50%;background:var(--bg);color:var(--text);cursor:pointer}#scroll-bottom-btn{position:absolute;bottom:170px;left:50%;transform:translateX(-50%);background:var(--panel-2);border:1px solid var(--border);border-radius:50%;box-shadow:var(--shadow)}#drop-overlay{position:absolute;inset:10px;z-index:60;display:grid;place-items:center;background:var(--bg);opacity:.96;border:2px dashed var(--border-strong);border-radius:20px;font-size:22px}
.workspace-dialog{background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:20px;width:min(540px,calc(100vw - 28px));padding:24px;box-shadow:0 20px 100px #0005;max-height:85dvh;overflow:auto}.workspace-dialog::backdrop{background:#0008;backdrop-filter:blur(3px)}.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:20px}.dialog-heading h2{font-size:20px;margin:0;font-weight:600}.workspace-dialog p{font-size:13px;color:var(--text-dim)}.settings-section{padding:18px 0;border-top:1px solid var(--border-soft)}.settings-section h3{font-size:14px;margin:0 0 7px}.setting-row{display:flex;justify-content:space-between;align-items:center;gap:15px}.setting-row p{margin:3px 0 0;font-size:12px}.setting-row strong{font-size:14px}.secondary-button,.file-picker{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:10px;padding:8px 14px;background:var(--panel-2);color:var(--text);font-size:13px;cursor:pointer}.primary{background:var(--text);color:var(--bg);border:0;border-radius:10px;padding:9px 15px;font-size:13px;font-weight:500;box-shadow:none}.primary:hover{background:var(--text);opacity:.85}.workspace-dialog input:not([type=file]),.workspace-dialog textarea{display:block;width:100%;border:1px solid var(--border);border-radius:10px;background:var(--panel-2);color:var(--text);padding:10px 12px;font-size:14px;margin:8px 0;box-shadow:none}.key-group{display:block}.key-status{padding-left:0;font-size:11px}.key-status::before{display:none}.settings-body{display:block!important;padding-top:16px}.form-panel{max-width:none;padding:0}.field{margin-bottom:14px}.field-label{display:block;font-size:12px;margin-bottom:6px}.settings-section summary{font-size:13px;cursor:pointer}.dialog-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:18px}#conversation-search-results{padding-top:12px}.search-result{display:block;width:100%;text-align:left;padding:12px;border:0;border-radius:10px;background:transparent;color:var(--text);font-size:14px}.search-result:hover{background:var(--panel-2)}.ocr-dialog{width:min(720px,calc(100vw - 28px))}#ocr-result{resize:vertical;line-height:1.75}.workspace-dialog table{font-size:12px;width:100%;border-collapse:collapse}.workspace-dialog td,.workspace-dialog th{padding:7px;border-bottom:1px solid var(--border)}#workspace-toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--text);color:var(--bg);border-radius:13px;padding:10px 18px;font-size:13px;z-index:150;box-shadow:var(--shadow);max-width:90vw}.sidebar-collapsed #conv-sidebar{display:none}.sidebar-overlay{display:none}
@media(max-width:760px){#conv-sidebar{position:fixed;inset:0 auto 0 0;width:255px;min-width:255px;z-index:80;transform:translateX(-100%);transition:transform .2s;display:flex!important}#conv-sidebar.open{transform:translateX(0)}.sidebar-overlay.open{display:block;position:fixed;inset:0;background:#0007;z-index:70}.chat-topbar{height:57px;min-height:57px;padding:8px 10px;gap:3px}.model-button{font-size:17px}.model-button>span{font-size:14px}.chat-topbar .toolbar-btn{padding:7px}.chat-topbar .toolbar-btn>span{display:none}#chat-messages{padding:20px 20px 26px;gap:24px}.bubble.user{max-width:88%}.bubble{font-size:15px}#chat-input-row{padding:10px 12px 6px}.chat-input-wrap{border-radius:24px}.chat-empty h1{font-size:24px}#chat-main.is-empty #chat-messages{padding-top:24vh}.workspace-dialog{padding:19px}.model-popover{left:12px}.new-btn kbd,.sidebar-action kbd{display:none}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
#conv-sidebar .new-btn{background:transparent;color:var(--text);padding:10px 9px;font-size:14px;font-weight:400;margin:0;width:100%;border:0;border-radius:9px;box-shadow:none}#conv-sidebar .new-btn:hover{background:var(--panel-3);filter:none}#conv-sidebar .new-btn svg{width:19px;height:19px}.bubble{margin:0}.bubble.user{white-space:pre-wrap}.key-group{border:0;background:transparent;padding:0}.attach-chip{box-shadow:none;border:1px solid var(--border);border-radius:12px;background:var(--panel);color:var(--text)}#chat-messages{scroll-behavior:auto}
.user-edit-button{position:absolute;right:calc(100% + 7px);top:7px;opacity:0;width:28px;height:28px;color:var(--text-faint)}.user-edit-button svg{width:16px;height:16px}.bubble.user:hover .user-edit-button,.bubble.user:focus-within .user-edit-button{opacity:1}@media(hover:none){.user-edit-button{opacity:1}}
.sidebar-brand{gap:10px;height:64px;min-height:64px;box-sizing:border-box;padding:10px 4px;margin-bottom:10px}.construction-brand{display:flex;align-items:center;gap:9px;min-width:0;flex:1}.construction-mark{position:relative;display:block;width:20px;height:44px;overflow:hidden;flex-shrink:0}.construction-mark img{position:absolute;width:83px;height:83px;max-width:none;left:-36px;top:-3px}.construction-wordmark{display:flex;flex-direction:column;gap:4px;min-width:0}.construction-wordmark strong{font-family:"Microsoft JhengHei","Noto Sans TC",sans-serif;font-size:23px;font-weight:900;letter-spacing:1px;line-height:1.15;white-space:nowrap;color:#67c9c9}.construction-wordmark small{font-family:Arial,sans-serif;font-size:8px;font-weight:800;letter-spacing:.3px;white-space:nowrap;line-height:1.2;color:var(--text-dim)}.sidebar-brand .icon-btn{width:30px;height:32px;padding:6px}

/* Show a single sidebar control for the current layout. */
@media(min-width:761px){body:not(.sidebar-collapsed) .chat-topbar #sidebar-toggle-btn{display:none}}
@media(max-width:760px){#tab-chat:has(#conv-sidebar.open) .chat-topbar #sidebar-toggle-btn{visibility:hidden;pointer-events:none}}

#conv-sidebar{padding-top:0}.chat-topbar{box-sizing:border-box}.sidebar-brand .icon-btn{width:32px;height:32px}@media(max-width:760px){.sidebar-brand{height:57px;min-height:57px;padding-top:7px;padding-bottom:6px}}

@media(max-width:760px){.bubble.assistant{padding:16px;border-radius:16px}.bubble.assistant.thinking{padding:12px 16px}}

.construction-brand{min-width:0;flex:1;align-self:stretch}.construction-logo{display:block;width:100%;height:100%;max-height:44px;object-fit:contain;object-position:left center}@media(max-width:760px){.construction-logo{max-height:44px}}
/* Give key management enough room; scroll the table on smaller screens. */
#settings-dialog{width:min(980px,calc(100vw - 28px));height:min(810px,calc(100dvh - 40px));max-height:calc(100dvh - 40px);overflow-y:auto;overflow-x:hidden;scrollbar-gutter:stable}
#keys-list-result{min-width:0;max-width:100%;margin-top:16px}
#keys-list-result .table-wrap{width:100%;max-width:100%;overflow-x:auto;overscroll-behavior-x:contain}
#keys-list-result .data-table{width:100%;min-width:800px;table-layout:auto}
#keys-list-result .data-table th,#keys-list-result .data-table td{white-space:nowrap;word-break:normal;overflow-wrap:normal;vertical-align:middle;padding:12px 14px;line-height:1.6}
#keys-list-result .data-table td:first-child{min-width:100px;max-width:200px;white-space:normal;overflow-wrap:anywhere}
#keys-list-result .data-table td:nth-child(2){min-width:110px}
#keys-list-result .data-table td:nth-child(3){min-width:85px}
#keys-list-result .data-table td:nth-child(5),#keys-list-result .data-table td:nth-child(6){min-width:145px;font-variant-numeric:tabular-nums}
#keys-list-result .data-table th:last-child,#keys-list-result .data-table td:last-child{min-width:70px;text-align:right}
#keys-list-result .data-table button{white-space:nowrap;min-height:30px}
.bubble.assistant{line-height:1.85}.md-table-scroll{width:100%;overflow-x:auto;margin:18px 0 22px;border:1px solid var(--border);border-radius:12px}.bubble .md-table-scroll table{display:table;width:100%;margin:0;font-size:14px}.bubble .md-table-scroll th{background:var(--panel-2);font-weight:600;white-space:nowrap}.bubble .md-table-scroll th,.bubble .md-table-scroll td{padding:12px 16px;vertical-align:top;line-height:1.7;min-width:90px}.bubble .md-table-scroll tbody tr:last-child td{border-bottom:0}.bubble .md-table-scroll tbody tr:hover{background:var(--panel-2)}.bubble hr{border:0;border-top:1px solid var(--border);margin:24px 0}.bubble .md-h1{font-size:24px}.bubble .md-h2{font-size:20px}.bubble .md-h3{font-size:17px}.bubble .md-line{margin:6px 0}.bubble .inline-link{display:inline-flex;vertical-align:baseline;max-width:100%;font-size:12px}.bubble .inline-link svg{width:13px;height:13px}
/* Calm reading layout with restrained headings, quotations, and tables. */
.bubble.assistant{background:var(--bg);border:1px solid var(--border-soft);border-radius:16px;padding:24px 26px;font-size:16px;line-height:1.8;color:var(--text);letter-spacing:.1px}
.bubble.assistant strong{font-weight:600}.bubble.assistant p{margin:0 0 16px}
.bubble.assistant h1.md-h1,.bubble.assistant h2.md-h2,.bubble.assistant h3.md-h3{border:0;padding:0;color:var(--text);letter-spacing:0;font-weight:600;line-height:1.5}
.bubble.assistant h1.md-h1{font-size:24px;margin:28px 0 16px}.bubble.assistant h2.md-h2{font-size:21px;margin:28px 0 14px}.bubble.assistant h3.md-h3{font-size:18px;margin:22px 0 12px}.bubble.assistant>h1:first-child,.bubble.assistant>h2:first-child,.bubble.assistant>h3:first-child{margin-top:0}
.bubble.assistant blockquote.md-quote{margin:18px 0;padding:2px 0 2px 18px;background:transparent;border:0;border-left:3px solid var(--border-strong);border-radius:0;color:var(--text-dim);font-style:normal;font-size:inherit;line-height:1.8}
.md-quote>div+div{margin-top:8px}.quote-item{position:relative;padding-left:15px}.quote-item::before{content:'•';position:absolute;left:0}
.bubble.assistant .md-line{display:flex;align-items:baseline;gap:10px;margin:9px 0;line-height:1.8}.bubble.assistant .md-marker{color:var(--text);min-width:16px;flex-shrink:0}.bubble.assistant .md-text{min-width:0}
.bubble .md-table-scroll{border:0;border-radius:0;margin:20px 0 26px}.bubble .md-table-scroll table{font-size:14px;border-collapse:collapse}.bubble .md-table-scroll th{background:transparent;border-bottom:2px solid var(--border);color:var(--text);font-weight:600}.bubble .md-table-scroll th,.bubble .md-table-scroll td{padding:13px 16px 13px 0;line-height:1.75;min-width:100px;border-right:0}.bubble .md-table-scroll td{border-bottom:1px solid var(--border-soft)}.bubble .md-table-scroll tbody tr:last-child td{border-bottom:1px solid var(--border-soft)}.bubble .md-table-scroll tbody tr:hover{background:transparent}
.bubble.assistant hr{margin:28px 0;border-top-color:var(--border-soft)}.bubble-actions{padding-top:16px;margin-top:8px}.bubble.assistant.thinking{background:var(--panel);padding:13px 18px}
@media(max-width:760px){.bubble.assistant{padding:18px 16px;font-size:15px;border-radius:14px}.bubble.assistant h2.md-h2{font-size:19px}.bubble .md-table-scroll table{font-size:13px}.bubble .md-table-scroll th,.bubble .md-table-scroll td{padding:10px 14px 10px 0}}
.confirm-action-dialog{width:min(440px,calc(100vw - 32px));padding:26px;border-radius:20px;box-shadow:0 24px 90px #0005}.confirm-action-dialog h2{margin:0 0 12px;font-size:21px;font-weight:600;line-height:1.4}.confirm-action-dialog p{margin:0;font-size:14px;line-height:1.8;color:var(--text-dim)}.confirm-action-dialog .dialog-actions{margin-top:26px;gap:10px}.confirm-action-dialog button{min-height:40px;padding:9px 20px;border-radius:10px;font-size:14px}.confirm-danger-button{border:1px solid #c52b36;background:#d3313d;color:#fff;font-weight:600}.confirm-danger-button:hover{background:#b82430}
.construction-brand{gap:14px;align-items:center}.construction-logo-icon,.construction-logo-text{display:block;height:44px;max-height:100%;fill:none;stroke:none;overflow:hidden;flex-shrink:0}.construction-logo-icon{width:20.167px}.construction-logo-text{width:94.722px}
/* Compact, semantic prose; short answers no longer sit in an empty full-width box. */
.bubble.assistant{width:fit-content;max-width:100%;padding:20px 24px;line-height:1.75;border-color:var(--border-soft);background:transparent;font-size:16px;letter-spacing:0}
.bubble.assistant:has(.md-table-scroll),.bubble.assistant:has(.code-block){width:100%}
.bubble.assistant p{margin:0 0 14px;line-height:1.75}.bubble.assistant>p:last-of-type{margin-bottom:0}
.bubble.assistant .md-list{display:block;padding-left:25px;margin:12px 0 18px;list-style-position:outside}.bubble.assistant ul.md-list{list-style-type:disc}.bubble.assistant ol.md-list{list-style-type:decimal}.bubble.assistant .md-list>li{display:list-item;padding-left:3px;margin:5px 0;line-height:1.7}.bubble.assistant .md-list>li::marker{color:var(--text-dim);font-weight:400}
.bubble.assistant h2.md-h2{margin:24px 0 12px;font-size:20px}.bubble.assistant h3.md-h3{margin:20px 0 10px;font-size:17px}.bubble.assistant .bubble-actions{margin-top:14px;padding-top:0;gap:6px}.bubble.assistant .bubble-action-btn{opacity:.8}.bubble.assistant.thinking{width:fit-content}
@media(max-width:760px){.bubble.assistant{padding:16px;font-size:15px}.bubble.assistant .md-list{padding-left:22px}}
.sidebar-brand{padding-left:14px;padding-right:8px}

/* Processing is an inline activity row rather than an assistant message card. */
#chat-messages .bubble.assistant.thinking{display:flex;align-items:center;gap:10px;width:fit-content;max-width:100%;padding:10px 2px;margin:4px 0;border:0;border-radius:0;background:transparent;box-shadow:none;color:var(--text-dim);font-size:14px;line-height:1.6}
#chat-messages .bubble.assistant.thinking::before{content:'';display:block;width:14px;height:14px;flex:0 0 14px;border:2px solid var(--border);border-top-color:var(--text);border-radius:50%;animation:processing-spin .9s linear infinite}
#chat-messages .thinking-text{font-weight:400;min-width:0;overflow-wrap:anywhere}#chat-messages .thinking-elapsed{color:var(--text-faint);font-size:12px;white-space:nowrap;flex-shrink:0}#chat-messages .thinking .typing-dots{display:none}
#chat-messages .bubble.assistant:has(>.thinking){padding:0;border:0;background:transparent;box-shadow:none}
@keyframes processing-spin{to{transform:rotate(360deg)}}
@media(prefers-reduced-motion:reduce){#chat-messages .bubble.assistant.thinking::before{animation:none;border-top-color:var(--text-dim)}}
/* Explicit foreground/background pairs override legacy button.primary rules. */
.workspace-dialog button.primary{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:9px 18px;border:1px solid var(--text);border-radius:10px;background:var(--text);background-image:none;color:var(--bg);font-weight:600;font-size:14px;line-height:1.4;box-shadow:none}
.workspace-dialog button.primary:hover:not(:disabled){background:var(--text);color:var(--bg);opacity:.9;filter:none}.workspace-dialog button.primary:disabled{opacity:.5;cursor:not-allowed}
.workspace-dialog .secondary-button{min-height:40px;border-color:var(--border-strong);font-weight:500;color:var(--text)}.workspace-dialog .secondary-button:hover{background:var(--panel-3);border-color:var(--text-dim)}
:root:not([data-theme=light]) #settings-dialog .secondary-button{background:#3b3b3b;color:#f5f5f5;border-color:#707070}:root:not([data-theme=light]) #settings-dialog .secondary-button:hover{background:#4a4a4a;border-color:#a0a0a0}
:root:not([data-theme=light]) #keys-list-result button.danger{background:#562b30;color:#ffb8b8;border:1px solid #865057;border-radius:8px}:root:not([data-theme=light]) #keys-list-result button.danger:hover{background:#70353c;color:#fff}
.workspace-dialog button:focus-visible{outline:2px solid #82caca;outline-offset:3px}
.saved-attachments{display:flex;flex-wrap:wrap;gap:8px;padding:14px 0;border-bottom:1px solid var(--border-soft)}.saved-attachments-title{width:100%;font-size:12px;color:var(--text-dim)}.saved-attachment-button{max-width:100%;overflow-wrap:anywhere;text-align:left;padding:9px 12px;border:1px solid var(--border);border-radius:10px;background:var(--panel);color:var(--text);font-size:13px}.saved-attachment-button:hover{background:var(--panel-2)}

.sidebar-brand{align-items:center}.sidebar-brand .construction-brand{align-self:center;height:44px}.sidebar-brand #collapse-sidebar{align-self:center;margin-top:0;margin-bottom:0;height:36px;width:36px;display:inline-flex;align-items:center;justify-content:center}

.sidebar-brand #collapse-sidebar{transform:translateY(6px)}

/* Hidden row actions should not reserve space in the conversation title. */
.conv-item-title{min-width:0;flex:1 1 auto}
.conv-item .conv-item-rename,.conv-item .conv-item-delete{display:none}
.conv-item:hover .conv-item-rename,.conv-item:hover .conv-item-delete,.conv-item:focus-within .conv-item-rename,.conv-item:focus-within .conv-item-delete{display:grid;opacity:1}
@media(hover:none){.conv-item .conv-item-rename,.conv-item .conv-item-delete{display:grid;opacity:1}}
.bubble .md-table-unstructured td{white-space:normal;overflow-wrap:anywhere;color:var(--text-dim);line-height:1.85;padding-top:14px;padding-bottom:14px}.bubble .md-table-scroll td:last-child{min-width:220px}.bubble .md-table-scroll td br{display:block;content:"";margin-top:5px}

.md-record-list{display:grid;gap:0;margin:16px 0 22px}.md-record{padding:20px 0;border-bottom:1px solid var(--border-soft)}.md-record:first-child{padding-top:4px}.md-record:last-child{border-bottom:0}.bubble .md-record h4{margin:0 0 14px;font-size:16px;font-weight:600}.md-record dl{margin:0;display:grid;gap:9px}.md-record-field{display:grid;grid-template-columns:110px minmax(0,1fr);gap:16px}.md-record dt{color:var(--text-dim);font-size:14px;line-height:1.8}.md-record dd{margin:0;min-width:0;overflow-wrap:anywhere;font-size:15px;line-height:1.8}.bubble.assistant:has(.md-record-list){width:100%}@media(max-width:760px){.md-record-field{grid-template-columns:80px minmax(0,1fr);gap:10px}.md-record dt,.md-record dd{font-size:14px}}
#chat-input{flex:none;width:100%;min-width:0;min-height:36px;max-height:132px;line-height:24px;padding:6px 9px;overflow-y:hidden;scrollbar-width:thin;box-sizing:border-box}

/* Match scrollable areas to the active theme, including textarea scrollbars. */
:root{color-scheme:dark;--scroll-thumb:#686868;--scroll-thumb-hover:#909090}
:root[data-theme=light]{color-scheme:light;--scroll-thumb:#bebebe;--scroll-thumb-hover:#929292}
*{scrollbar-width:thin;scrollbar-color:var(--scroll-thumb) transparent}
@supports selector(::-webkit-scrollbar){
 *{scrollbar-width:auto}
 #chat-input{scrollbar-width:auto}
 ::-webkit-scrollbar{width:8px;height:8px}
 ::-webkit-scrollbar-track{background:transparent;border:0}
 ::-webkit-scrollbar-thumb{background:var(--scroll-thumb);border:2px solid transparent;background-clip:padding-box;border-radius:999px;min-height:28px}
 ::-webkit-scrollbar-thumb:hover{background:var(--scroll-thumb-hover);background-clip:padding-box}
 ::-webkit-scrollbar-thumb:active{background:var(--text-dim);background-clip:padding-box}
 ::-webkit-scrollbar-button{display:none;width:0;height:0}
 ::-webkit-scrollbar-corner{background:transparent}
 #chat-input::-webkit-scrollbar{width:8px}
 #chat-input::-webkit-scrollbar-track{background:transparent;margin-block:5px}
}
@media(forced-colors:active){*{scrollbar-color:auto}}
/* Keep the settings header outside the independently scrolling content. */
#settings-dialog{width:min(900px,calc(100vw - 32px));height:min(720px,calc(100dvh - 48px));max-height:calc(100dvh - 48px);padding:0;overflow:hidden;scrollbar-gutter:auto}
#settings-dialog[open]{display:flex;flex-direction:column}
#settings-dialog>.dialog-heading{flex:0 0 auto;min-height:64px;padding:14px 22px;margin:0;background:var(--bg);border-bottom:1px solid var(--border-soft);z-index:1}
#settings-dialog>.dialog-heading h2{font-size:24px;font-weight:600;line-height:1.4}
#settings-dialog>.settings-scroll-body{flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;scrollbar-gutter:stable;padding:0 22px 20px}
#settings-dialog .settings-scroll-body>.settings-section:first-child{border-top:0}
@media(max-width:760px){#settings-dialog>.dialog-heading{padding:12px 16px;min-height:58px}#settings-dialog>.settings-scroll-body{padding:0 16px 16px}}
#keys-panel>.field:has(#new-key-name){display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px 12px;align-items:center}
#keys-panel>.field:has(#new-key-name)>.field-label{grid-column:1/-1;margin:0}
#keys-panel #new-key-name{grid-column:1;margin:0;min-width:0;height:44px}
#keys-panel #create-key-btn{grid-column:2;height:44px;white-space:nowrap;margin:0}
#settings-dialog .key-group,#settings-dialog .key-group:focus-within{border:0;border-radius:0;background:transparent;box-shadow:none;outline:none;padding:0}#settings-dialog #api-key-input:focus{border-color:var(--border-strong);box-shadow:0 0 0 2px var(--border-soft)}

.ocr-text-block{margin:16px 0 22px;border:1px solid var(--border-soft);border-radius:12px;overflow:hidden;background:var(--bg)}.ocr-text-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px;border-bottom:1px solid var(--border-soft);font-size:12px;color:var(--text-dim);background:var(--panel)}.ocr-text-content{padding:18px;font-family:inherit;font-size:15px;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere;color:var(--text)}.bubble.assistant:has(.ocr-text-block){width:100%}
.code-copy-btn.block-copy-icon{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;padding:6px;border:0;border-radius:7px;background:transparent;color:var(--text-dim);flex-shrink:0}.code-copy-btn.block-copy-icon:hover{background:var(--panel-3);color:var(--text)}.code-copy-btn.block-copy-icon svg{width:17px;height:17px}.code-copy-btn.block-copy-icon:disabled{opacity:1;cursor:default}