:root{color-scheme:dark;--bg: #1e1e1e;--bg-elevated: #252526;--bg-muted: #2d2d30;--bg-input: #181818;--border: #313135;--border-strong: #3c3c3c;--text: #cccccc;--text-muted: #9da0a6;--text-soft: #808289;--accent: #0e639c;--accent-strong: #1177bb;--success: #3ba55c;--danger: #c74e39;--info: #4fc1ff;--warning: #d7ba7d;--selection: rgba(14, 99, 156, .34);--selection-strong: rgba(14, 99, 156, .56);--shadow: rgba(0, 0, 0, .35);--title-height: 36px;--status-height: 24px;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;background:var(--bg);color:var(--text)}body{overflow:hidden}body[data-workbench-resizing=true] .viewer-frame{pointer-events:none}button,input,textarea{font:inherit}a{color:inherit}.app-shell{display:grid;grid-template-rows:var(--title-height) 1fr var(--status-height);height:100%;background:var(--bg)}.title-bar{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,520px) minmax(0,1fr);align-items:center;gap:12px;height:var(--title-height);padding:0 12px;border-bottom:1px solid var(--border);background:#181818}.title-bar__left,.title-bar__right{display:flex;align-items:center;gap:10px;min-width:0}.title-bar__right{justify-content:flex-end}.title-bar__brand{font-size:12px;color:var(--text-soft);letter-spacing:.08em;text-transform:uppercase}.title-bar__center{display:flex;justify-content:center}.task-switcher{display:inline-flex;align-items:center;gap:8px;min-width:300px;max-width:100%;height:28px;padding:0 10px;border:1px solid var(--border-strong);background:var(--bg-muted);color:var(--text);border-radius:6px;cursor:pointer}.task-switcher span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.task-switcher kbd{margin-left:auto;padding:1px 5px;border:1px solid var(--border);border-bottom-width:2px;border-radius:4px;background:#111;color:var(--text-soft);font-family:JetBrains Mono,Fira Code,Consolas,monospace;font-size:11px}.title-bar__user{display:inline-flex;align-items:center;gap:8px;min-width:0}.user-avatar{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:999px;background:var(--accent);color:#fff;font-size:11px;font-weight:600}.user-name{max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px;color:var(--text-muted)}.icon-button,.ghost-button,.section-toggle,.tree-node__row,.task-picker__row,.toolbar-link,.thread-send-button,.login-card__submit{border:0;background:none;color:inherit}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:6px;color:var(--text-muted);cursor:pointer}.icon-button:hover,.ghost-button:hover,.toolbar-link:hover{background:#ffffff0d;color:var(--text)}.icon-button:disabled{opacity:.45;cursor:not-allowed}.ghost-button{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:28px;padding:0 10px;border-radius:6px;color:var(--text-muted);cursor:pointer;white-space:nowrap}.ghost-button.small{height:24px;font-size:12px}.workbench-frame{min-height:0}.workbench-panels{height:100%;display:grid;background:var(--bg)}.panel{min-width:0;min-height:0;overflow:hidden;background:var(--bg)}.panel.is-collapsed{visibility:hidden}.panel-left,.panel-right{background:#181818}.panel-center{background:var(--bg)}.panel-resize-handle{position:relative;width:6px;background:transparent}.panel-resize-handle:after{content:"";position:absolute;top:0;right:0;bottom:0;left:2px;width:1px;background:var(--border)}.panel-resize-handle:hover:after,.panel-resize-handle[data-resize-handle-active]:after{background:var(--accent)}.panel-resize-handle{cursor:col-resize}.explorer-shell,.thread-shell,.viewer-panel{height:100%;min-height:0}.explorer-shell{display:flex;flex-direction:column;border-right:1px solid var(--border)}.explorer-header,.thread-header,.viewer-toolbar{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:34px;padding:0 10px;border-bottom:1px solid var(--border);background:#181818}.explorer-header span,.thread-header__title span,.viewer-toolbar__folder{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-soft)}.explorer-task-title{display:flex;flex-direction:column;gap:4px;padding:10px;border-bottom:1px solid var(--border)}.explorer-task-title strong{font-size:13px;font-weight:600;color:var(--text)}.explorer-task-title__label{font-size:11px;color:var(--text-soft);text-transform:uppercase;letter-spacing:.1em}.explorer-section{border-bottom:1px solid var(--border)}.explorer-section__header{display:flex;align-items:center;gap:8px;min-height:28px;padding:0 6px 0 2px}.section-toggle{display:inline-flex;align-items:center;gap:4px;flex:1;height:28px;padding:0 6px;color:var(--text-muted);cursor:pointer;text-align:left}.section-toggle:hover{background:#ffffff0a;color:var(--text)}.explorer-upload-button{opacity:0;transition:opacity .12s ease}.explorer-section:hover .explorer-upload-button{opacity:1}.explorer-tree{padding-bottom:4px}.explorer-empty,.empty-state,.thread-empty,.viewer-empty-state,.viewer-loading,.viewer-error,.loading-shell{display:flex;align-items:center;justify-content:center;color:var(--text-muted)}.explorer-empty{padding:10px 12px;justify-content:flex-start;font-size:12px}.explorer-empty.small{padding-top:6px;padding-bottom:6px;font-size:11px}.tree-node__row{display:inline-flex;align-items:center;gap:6px;width:100%;min-height:24px;padding-right:8px;color:var(--text-muted);cursor:pointer;text-align:left}.tree-node__row:hover{background:#ffffff0a;color:var(--text)}.tree-node__row.is-selected{background:var(--selection);color:#fff}.tree-node__icon{display:inline-flex;color:inherit}.tree-node__label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}.tree-node__spacer{width:14px;flex:0 0 14px}.viewer-panel{display:flex;flex-direction:column}.viewer-shell{display:flex;flex-direction:column;min-height:0;height:100%}.viewer-toolbar{background:#181818}.viewer-toolbar__title{display:flex;align-items:baseline;gap:8px;min-width:0}.viewer-toolbar__path{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px;color:var(--text)}.viewer-toolbar__actions{display:inline-flex;align-items:center;gap:6px}.toolbar-link{display:inline-flex;align-items:center;height:24px;padding:0 8px;border-radius:6px;text-decoration:none;color:var(--text-muted)}.viewer-body{flex:1;min-height:0;overflow:hidden;background:var(--bg)}.viewer-frame,.editor-viewer,.image-viewer,.markdown-viewer,.spreadsheet-viewer{width:100%;height:100%}.viewer-frame{border:0;background:#fff}.image-viewer{display:flex;align-items:center;justify-content:center;padding:20px;overflow:auto}.image-viewer img{max-width:100%;max-height:100%;object-fit:contain}.markdown-viewer{overflow:auto;padding:24px 28px;line-height:1.6}.markdown-viewer h1,.markdown-viewer h2,.markdown-viewer h3{color:#f3f3f3}.markdown-viewer code{font-family:JetBrains Mono,Fira Code,Consolas,monospace;background:#ffffff0f;padding:.15em .35em;border-radius:4px}.markdown-viewer pre{overflow:auto;padding:14px;border:1px solid var(--border);background:#171717;border-radius:8px}.spreadsheet-viewer{display:flex;flex-direction:column;min-height:0;background:#1e1e1e}.spreadsheet-tabs{display:flex;align-items:center;gap:1px;min-height:34px;padding:0 10px;border-bottom:1px solid var(--border);background:#181818;overflow-x:auto}.spreadsheet-tab{height:28px;padding:0 12px;border:1px solid transparent;border-radius:6px 6px 0 0;color:var(--text-muted);cursor:pointer;white-space:nowrap}.spreadsheet-tab:hover{color:var(--text);background:#ffffff0a}.spreadsheet-tab.is-active{color:var(--text);background:#252526;border-color:var(--border);border-bottom-color:#252526}.spreadsheet-meta{display:flex;align-items:center;gap:14px;min-height:26px;padding:0 12px;border-bottom:1px solid var(--border);background:#202022;color:var(--text-soft);font-size:11px;overflow-x:auto}.spreadsheet-grid-scroll{flex:1;min-height:0;overflow:auto;background:#1e1e1e}.spreadsheet-grid{width:max-content;min-width:100%;border-collapse:collapse;table-layout:fixed}.spreadsheet-grid th,.spreadsheet-grid td{min-width:120px;max-width:320px;padding:6px 8px;border-right:1px solid var(--border);border-bottom:1px solid var(--border);font-size:12px;line-height:1.45;vertical-align:top}.spreadsheet-grid thead th{position:sticky;top:0;z-index:2;background:#252526;color:var(--text-soft);text-align:center;font-weight:500}.spreadsheet-grid tbody th{position:sticky;left:0;z-index:1;min-width:52px;max-width:52px;background:#252526;color:var(--text-soft);text-align:right;font-weight:500}.spreadsheet-grid__corner{left:0;z-index:3!important;min-width:52px!important;max-width:52px!important}.spreadsheet-grid td{color:var(--text);background:#1e1e1e;white-space:pre-wrap;word-break:break-word}.spreadsheet-grid__empty{display:inline-block;min-width:1ch}.viewer-empty-state,.viewer-loading,.viewer-error{flex-direction:column;gap:10px;width:100%;height:100%;padding:24px;text-align:center}.viewer-error strong{color:#f3f3f3}.thread-shell{display:flex;flex-direction:column;height:100%;border-left:1px solid var(--border)}.thread-header{position:sticky;top:0;z-index:1}.thread-header__title{display:flex;flex-direction:column;gap:2px;min-width:0}.thread-header__title small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px;color:var(--text-muted)}.thread-scroll{flex:1;min-height:0;overflow:auto;padding:14px 12px 18px;display:flex;flex-direction:column;gap:12px}.thread-empty{height:100%;padding:16px;text-align:center;border:1px dashed var(--border);border-radius:10px}.thread-message{display:flex;flex-direction:column;gap:8px;max-width:100%}.thread-message p{margin:0;white-space:pre-wrap;word-break:break-word;line-height:1.5}.thread-message.user,.thread-message.assistant{padding:12px;border-radius:10px;border:1px solid var(--border)}.thread-message.user{align-self:flex-end;width:min(94%,430px);background:#12314b;border-color:#4fc1ff40}.thread-message.assistant{align-self:stretch;background:#202124}.thread-message__body{color:var(--text)}.thread-message__body>:first-child{margin-top:0}.thread-message__body>:last-child{margin-bottom:0}.thread-message__body code{font-family:JetBrains Mono,Fira Code,Consolas,monospace;background:#ffffff0f;padding:.12em .35em;border-radius:4px}.thread-message__body pre{overflow:auto;margin:0;padding:12px;border:1px solid var(--border);border-radius:8px;background:#171717}.thread-message.system{gap:4px;padding:0 4px;color:var(--text-soft);font-size:12px}.thread-message__header,.thread-message__badges,.thread-message__outputs{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.thread-message__header{justify-content:space-between}.thread-message__author{font-size:12px;font-weight:600;color:#f3f3f3}.thread-message__meta{font-size:11px;color:var(--text-soft)}.thread-chip,.status-pill{display:inline-flex;align-items:center;justify-content:center;min-height:18px;padding:0 7px;border-radius:999px;border:1px solid var(--border-strong);font-size:11px;color:var(--text-muted);white-space:nowrap}.status-pill.tone-success{color:#9cdcaa;border-color:#9cdcaa59}.status-pill.tone-danger{color:#f48771;border-color:#f4877159}.status-pill.tone-info{color:#9cdcfe;border-color:#9cdcfe59}.status-pill.tone-neutral{color:var(--text-muted)}.thread-running-indicator{display:inline-flex;align-items:center;gap:8px;padding:10px 12px;border:1px solid rgba(79,193,255,.2);border-radius:10px;color:#9cdcfe;background:#0e639c1f}.thread-composer{display:flex;flex-direction:column;gap:8px;padding:12px;border-top:1px solid var(--border);background:#181818}.thread-composer__controls{display:flex;align-items:center;justify-content:space-between;gap:10px}.thread-composer__field{display:inline-flex;align-items:center;gap:8px;min-width:0;color:var(--text-soft);font-size:12px}.thread-composer__field span{text-transform:uppercase;letter-spacing:.08em;font-size:11px}.thread-composer__field select{min-width:112px;height:28px;padding:0 8px;border:1px solid var(--border-strong);border-radius:6px;background:var(--bg-input);color:var(--text);outline:none}.thread-composer__field select:focus{border-color:var(--accent)}.thread-composer textarea,.login-card__form input,.task-picker__search input{width:100%;border:1px solid var(--border-strong);background:var(--bg-input);color:var(--text);outline:none}.thread-composer textarea{min-height:72px;max-height:140px;resize:vertical;border-radius:8px;padding:10px 12px;line-height:1.45}.thread-composer textarea:focus,.login-card__form input:focus,.task-picker__search input:focus{border-color:var(--accent)}.thread-send-button,.login-card__submit{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:32px;padding:0 12px;border-radius:8px;background:var(--accent);color:#fff;cursor:pointer}.thread-send-button:disabled,.login-card__submit:disabled{opacity:.6;cursor:not-allowed}.thread-error,.login-card__error{padding:8px 10px;border:1px solid rgba(244,135,113,.3);border-radius:8px;background:#c74e391f;color:#f48771;font-size:12px}.status-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;height:var(--status-height);padding:0 10px;border-top:1px solid var(--border);background:#007acc;color:#fff;font-size:12px}.status-bar__left,.status-bar__right{display:inline-flex;align-items:center;gap:10px;min-width:0}.status-bar__item{max-width:240px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.status-bar .status-pill{border-color:#ffffff40;color:#fff}.loading-shell,.login-shell{width:100%;height:100%}.loading-shell{gap:10px;flex-direction:row}.loading-shell.error{color:#f48771}.login-shell{display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at top left,rgba(14,99,156,.18),transparent 36%),radial-gradient(circle at bottom right,rgba(0,122,204,.12),transparent 30%),#111315}.login-card{width:min(420px,calc(100vw - 40px));padding:24px;border:1px solid var(--border);border-radius:14px;background:#181818f0;box-shadow:0 18px 50px var(--shadow)}.login-card__header{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}.login-card__eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:.14em;color:var(--text-soft)}.login-card__header h1{margin:0;font-size:24px}.login-card__header p{margin:0;color:var(--text-muted);line-height:1.5}.login-card__form{display:flex;flex-direction:column;gap:14px}.login-card__form label{display:flex;flex-direction:column;gap:6px;font-size:12px;color:var(--text-soft)}.login-card__form input{height:38px;padding:0 12px;border-radius:8px}.task-picker-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:20;display:flex;align-items:flex-start;justify-content:center;padding-top:76px;background:#0000006b;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.task-picker{width:min(620px,calc(100vw - 40px));border:1px solid var(--border-strong);border-radius:12px;overflow:hidden;background:#1f1f21;box-shadow:0 18px 60px var(--shadow)}.task-composer{width:min(560px,calc(100vw - 40px));border:1px solid var(--border-strong);border-radius:12px;overflow:hidden;background:#1f1f21;box-shadow:0 18px 60px var(--shadow)}.task-composer__header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:16px;border-bottom:1px solid var(--border)}.task-composer__eyebrow{display:inline-block;margin-bottom:6px;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-soft)}.task-composer__header h2{margin:0;font-size:20px}.task-composer__header p{margin:6px 0 0;font-size:13px;color:var(--text-muted);line-height:1.5}.task-composer__form{display:flex;flex-direction:column;gap:14px;padding:16px}.task-composer__form label{display:flex;flex-direction:column;gap:6px;font-size:12px;color:var(--text-soft)}.task-composer__form input,.task-composer__form select,.task-composer__form textarea{width:100%;border:1px solid var(--border-strong);border-radius:8px;background:var(--bg-input);color:var(--text);outline:none}.task-composer__form input,.task-composer__form select{height:38px;padding:0 12px}.task-composer__form textarea{min-height:96px;padding:10px 12px;resize:vertical;line-height:1.45}.task-composer__form input:focus,.task-composer__form select:focus,.task-composer__form textarea:focus{border-color:var(--accent)}.task-composer__actions{display:flex;justify-content:flex-end;gap:10px}.task-composer__error{padding:8px 10px;border:1px solid rgba(244,135,113,.3);border-radius:8px;background:#c74e391f;color:#f48771;font-size:12px}.task-picker__search{display:flex;align-items:center;gap:10px;height:46px;padding:0 12px;border-bottom:1px solid var(--border)}.task-picker__search input{flex:1;height:32px;border:0;background:transparent;color:var(--text)}.task-picker__list{max-height:min(420px,calc(100vh - 160px));overflow:auto}.task-picker__row{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;min-height:52px;padding:0 14px;cursor:pointer;text-align:left;border-bottom:1px solid rgba(255,255,255,.03)}.task-picker__row:hover,.task-picker__row.is-highlighted{background:#ffffff0a}.task-picker__row.is-selected{background:var(--selection)}.task-picker__row-text{display:flex;flex-direction:column;gap:4px;min-width:0}.task-picker__row-title,.task-picker__row-meta{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.task-picker__row-title{font-size:13px;color:var(--text)}.task-picker__row-meta{font-size:12px;color:var(--text-soft)}.loading-inline{position:absolute;right:14px;bottom:10px;font-size:12px;color:var(--text-soft)}.spin{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width: 920px){.title-bar{grid-template-columns:1fr;height:auto;min-height:var(--title-height);padding-top:8px;padding-bottom:8px}.title-bar__center{order:3;justify-content:flex-start}.title-bar__right{justify-content:flex-start;flex-wrap:wrap}.task-switcher{min-width:0;width:100%}}