*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-root: #0b0c10;--bg-surface: #13141a;--bg-elevated: #1c1e27;--bg-input: #181920;--border: rgba(255, 255, 255, .07);--border-focus: rgba(82, 196, 255, .45);--accent: #52c4ff;--accent-dim: rgba(82, 196, 255, .12);--accent-glow: rgba(82, 196, 255, .25);--user-bubble: #1a2a38;--user-border: rgba(82, 196, 255, .2);--text-primary: #e8eaf0;--text-secondary: #8b8fa8;--text-muted: #555870;--text-accent: #52c4ff;--danger: #ff5c6c;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--font-ui: "Syne", sans-serif;--font-mono: "DM Mono", monospace;--font-family: "Lato", sans-serif;--font-size-base: 14px;--font-size-delta: 0px;--transition: .15s ease;--scrollbar-thumb: rgba(255, 255, 255, .22);--scrollbar-thumb-hover: rgba(255, 255, 255, .34);--scrollbar-track: rgba(255, 255, 255, .04)}[data-theme=dark],:root{--bg-root: #0b0c10;--bg-surface: #13141a;--bg-elevated: #1c1e27;--bg-input: #181920;--border: rgba(255, 255, 255, .07);--border-focus: rgba(82, 196, 255, .45);--user-bubble: #1a2a38;--user-border: rgba(82, 196, 255, .2);--text-primary: #e8eaf0;--text-secondary: #8b8fa8;--text-muted: #555870;--text-accent: #52c4ff;--scrollbar-thumb: rgba(255, 255, 255, .22);--scrollbar-thumb-hover: rgba(255, 255, 255, .34);--scrollbar-track: rgba(255, 255, 255, .04)}[data-theme=light]{--bg-root: #f4f6f9;--bg-surface: #ffffff;--bg-elevated: #eef1f6;--bg-input: #f8f9fb;--border: rgba(0, 0, 0, .1);--border-focus: rgba(14, 120, 200, .5);--user-bubble: #dceeff;--user-border: rgba(14, 120, 200, .25);--text-primary: #1a1d2e;--text-secondary: #4a4f6a;--text-muted: #8a90aa;--text-accent: #0e78c8;--accent: #0e78c8;--accent-dim: rgba(14, 120, 200, .1);--accent-glow: rgba(14, 120, 200, .2);--danger: #d93025;--scrollbar-thumb: rgba(15, 23, 42, .28);--scrollbar-thumb-hover: rgba(15, 23, 42, .42);--scrollbar-track: rgba(15, 23, 42, .05)}*{scrollbar-width:auto;scrollbar-color:var(--scrollbar-thumb) var(--scrollbar-track)}*::-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-hover)}html,body,#root{height:100%;overflow:clip}body{background:var(--bg-root);color:var(--text-primary);font-family:var(--font-family, var(--font-ui));font-size:var(--font-size-base, 14px);line-height:1.6;-webkit-font-smoothing:antialiased}.login-page{height:100%;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse 60% 50% at 50% 0%,rgba(82,196,255,.07) 0%,transparent 70%),var(--bg-root);overflow:auto;align-items:safe center;justify-content:safe center}.login-card{width:100%;max-width:400px;padding:40px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-xl);box-shadow:0 0 0 1px #52c4ff0a,0 24px 64px #00000080}.login-logo{display:flex;align-items:center;gap:10px;margin-bottom:32px}.login-logo-mark{width:32px;height:32px;background:var(--accent);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;color:var(--bg-root);flex-shrink:0;font-family:var(--font-mono)}.login-logo-text{font-size:15px;font-weight:600;color:var(--text-primary);letter-spacing:.02em}.login-title{font-size:22px;font-weight:700;color:var(--text-primary);margin-bottom:6px;letter-spacing:-.01em}.login-subtitle{font-size:13px;color:var(--text-secondary);margin-bottom:28px}.field{margin-bottom:16px}.field label{display:block;font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text-secondary);margin-bottom:6px}.field input{width:100%;padding:10px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-family:inherit;font-size:calc(14px + var(--font-size-delta, 0px));outline:none;transition:border-color var(--transition),box-shadow var(--transition)}.field input:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px var(--accent-glow)}.field input::placeholder{color:var(--text-muted)}.btn-primary{width:100%;padding:11px 20px;background:var(--accent);color:var(--bg-root);border:none;border-radius:var(--radius-md);font-family:inherit;font-size:14px;font-weight:700;letter-spacing:.02em;cursor:pointer;margin-top:8px;transition:opacity var(--transition),transform var(--transition)}.btn-primary:hover:not(:disabled){opacity:.9;transform:translateY(-1px)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-primary:disabled{opacity:.45;cursor:not-allowed}.btn-primary--danger{background:var(--danger);color:#fff}.confirm-dialog-box{max-width:420px;text-align:left}.confirm-dialog-message{margin:0;color:var(--text-secondary);font-size:13px;line-height:1.5}.confirm-dialog-confirm-btn{flex:1;width:auto;margin-top:0}.confirm-dialog-cancel-btn{flex:1;padding:11px 20px;background:transparent;border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-secondary);font-family:inherit;font-size:14px;font-weight:700;cursor:pointer;transition:color var(--transition),border-color var(--transition),background var(--transition)}.confirm-dialog-cancel-btn:hover{color:var(--text-primary);border-color:var(--border-focus);background:var(--bg-elevated)}.login-error{margin-top:14px;padding:10px 14px;background:#ff5c6c1a;border:1px solid rgba(255,92,108,.25);border-radius:var(--radius-md);font-size:13px;color:var(--danger)}.chat-page{height:100%;display:flex;flex-direction:column;background:var(--bg-root);position:relative}.chat-scroll-bottom-btn{position:absolute;right:24px;bottom:96px;width:40px;height:40px;border-radius:50%;border:1px solid var(--border);background:var(--bg-surface);color:var(--text-primary);font-size:16px;line-height:1;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 2px 10px #00000040;z-index:5;transition:opacity var(--transition),transform var(--transition)}.chat-scroll-bottom-btn:hover{transform:translateY(-1px);border-color:var(--border-focus)}.chat-header{flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:0 20px;height:56px;background:var(--bg-surface);border-bottom:1px solid var(--border);gap:12px}.chat-header-left{display:flex;align-items:center;gap:10px;min-width:0}.header-logo-mark{width:26px;height:26px;background:var(--accent);border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:var(--bg-root);font-family:var(--font-mono);flex-shrink:0}.header-title{font-size:14px;font-weight:600;color:var(--text-primary);letter-spacing:.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-header-right{display:flex;align-items:center;gap:8px;flex:1 1 auto;min-width:0}.header-email{font-size:12px;color:var(--text-secondary);font-family:var(--font-mono);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1 1 auto;min-width:0;text-align:right}.header-email-divider{width:1px;height:20px;background:var(--border-focus);margin:0 12px;flex-shrink:0}.btn-logout{padding:5px 12px;background:transparent;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);font-family:inherit;font-size:12px;font-weight:500;cursor:pointer;transition:color var(--transition),border-color var(--transition);white-space:nowrap}.btn-logout:hover{color:var(--danger);border-color:#ff5c6c59}.chat-messages{flex:1;min-height:0;overflow-y:auto;padding:0;display:flex;flex-direction:column;gap:4px;scroll-behavior:smooth}.chat-messages>.msg-row:first-child{padding-top:24px}.chat-messages>.msg-row:last-child{padding-bottom:24px}.chat-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--text-muted);padding:40px 20px;text-align:center}.chat-empty-icon{width:48px;height:48px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px}.chat-empty-text{font-size:14px;color:var(--text-muted)}.msg-row{display:flex;padding:3px 20px}.msg-row.user{justify-content:flex-end}.msg-row.assistant{justify-content:flex-start}.msg-bubble{max-width:min(640px,78%);padding:10px 14px;border-radius:var(--radius-lg);font-family:inherit;font-size:var(--font-size-base, 14px);line-height:1.65;word-break:break-word;white-space:pre-wrap}.msg-row.user .msg-bubble{background:var(--user-bubble);border:1px solid var(--user-border);border-bottom-right-radius:var(--radius-sm);color:var(--text-primary)}.msg-row.assistant .msg-bubble{background:var(--bg-elevated);border:1px solid var(--border);border-bottom-left-radius:var(--radius-sm);color:var(--text-primary)}.cursor-blink{display:inline-block;width:2px;height:14px;background:var(--accent);margin-left:2px;vertical-align:middle;border-radius:1px;animation:blink .85s step-end infinite}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.msg-meta{font-size:10px;font-family:var(--font-mono);color:var(--text-muted);padding:2px 20px 8px}.msg-row.user+.msg-meta{text-align:right}.chat-input-area{--input-min-h: calc(var(--font-size-base, 14px) * 1.5 + 24px);flex-shrink:0;position:relative;height:calc(var(--input-min-h) + 20px);z-index:20;pointer-events:none}.chat-input-box{position:relative;height:100%;width:min(100%,980px);margin:0 auto;background:var(--bg-surface);border:1px solid var(--border);border-bottom:none;border-radius:var(--radius-md) var(--radius-md) 0 0;pointer-events:auto}.chat-input-side{position:absolute;left:calc(50% + 502px);right:12px;bottom:10px;display:flex;flex-direction:column;align-items:flex-start;gap:4px;pointer-events:none}.chat-input-wrap{display:flex;gap:10px;align-items:flex-end;position:absolute;left:12px;right:12px;bottom:10px}.chat-textarea{flex:1;min-height:var(--input-min-h, 44px);padding:11px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-family:inherit;font-size:var(--font-size-base, 14px);line-height:1.5;resize:none;outline:none;overflow-y:auto;box-shadow:0 -4px 14px #00000040;transition:border-color var(--transition),box-shadow var(--transition)}.chat-textarea:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px var(--accent-glow)}.chat-textarea::placeholder{color:var(--text-muted)}.btn-send{flex-shrink:0;width:var(--input-min-h, 44px);height:var(--input-min-h, 44px);background:var(--accent);border:none;border-radius:var(--radius-md);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:opacity var(--transition),transform var(--transition);color:var(--bg-root)}.btn-send:hover:not(:disabled){opacity:.88;transform:translateY(-1px)}.btn-send:active:not(:disabled){transform:translateY(0)}.btn-send:disabled{opacity:.35;cursor:not-allowed}.btn-send svg{width:18px;height:18px}.input-hint{margin:0;font-size:10px;font-family:var(--font-mono);color:var(--text-muted);white-space:nowrap}@media (max-width: 600px){.header-email,.header-email-divider{display:none}.login-card{margin:16px;padding:28px 24px}.msg-bubble{max-width:90%}}@media (max-width: 375px){.chat-header{padding:0 12px}.chat-messages{padding:16px 0}.msg-row{padding:3px 12px}.chat-input-box{width:100%}}@media (max-width: 1400px){.chat-input-side{position:fixed;left:50%;right:auto;transform:translate(-50%);bottom:calc(var(--input-min-h) + 30px);align-items:center;max-width:calc(100vw - 48px)}.input-hint{display:none}}.header-btn{display:inline-flex;align-items:center;justify-content:center;height:30px;padding:0 12px;border-radius:var(--radius-sm);font-family:inherit;font-size:12px;font-weight:600;letter-spacing:.03em;line-height:1;cursor:pointer;white-space:nowrap;flex-shrink:0;transition:background var(--transition),border-color var(--transition),box-shadow var(--transition),color var(--transition)}.header-btn:disabled{opacity:.45;cursor:not-allowed}.header-btn--accent{background:var(--accent-dim);border:1px solid var(--border-focus);color:var(--text-accent)}.header-btn--accent:hover:not(:disabled){background:#52c4ff47;border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.header-btn--danger-hover{background:transparent;border:1px solid color-mix(in srgb,var(--text-secondary) 45%,transparent);color:var(--text-secondary)}.header-btn--danger-hover:hover:not(:disabled){color:var(--danger);border-color:#ff5c6c59}.header-btn-divider{width:1px;height:20px;background:var(--border-focus);margin:0 12px;flex-shrink:0}.header-btn--process{position:relative;gap:6px}.header-btn--process-active,.header-btn--active{background:var(--accent);border-color:var(--accent);color:var(--bg-surface);box-shadow:0 0 0 1px var(--accent)}.header-btn--process-active:hover:not(:disabled),.header-btn--active:hover:not(:disabled){background:var(--accent);box-shadow:0 0 0 1px var(--accent)}.process-btn-spinner{width:12px;height:12px;border-radius:50%;border:2px solid currentColor;border-top-color:transparent;animation:process-spin .7s linear infinite;flex-shrink:0}@keyframes process-spin{to{transform:rotate(360deg)}}.process-btn-dot{position:absolute;top:-3px;right:-3px;width:8px;height:8px;border-radius:50%;background:var(--success, #34d399);box-shadow:0 0 0 2px var(--bg-surface)}.process-panel-wrap{position:relative;flex-shrink:0;display:flex;flex-direction:column;overflow:hidden;border-bottom:1px solid var(--border);background:var(--bg-elevated);transition:border-color var(--transition),box-shadow var(--transition)}.process-panel-wrap--collapsed{border-bottom:none;pointer-events:none}.process-panel-wrap--drop-active{border-color:var(--accent);box-shadow:inset 0 0 0 2px var(--accent);background:var(--accent-dim)}.process-panel{flex:1;min-height:0;display:flex;flex-direction:column;gap:6px;padding:8px 16px 10px;overflow-y:auto}.process-panel-wrap[data-tiny="1"] .process-panel{visibility:hidden}.process-panel-controls{display:flex;align-items:center;gap:8px;flex-shrink:0}.process-panel-select{flex:1 1 auto;min-width:0;height:32px;padding:0 10px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-surface);color:var(--text-primary);font-family:var(--font-family);font-size:calc(13px + var(--font-size-delta, 0px))}.process-panel-btn{flex-shrink:0;height:32px;padding:0 14px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-surface);color:var(--text-primary);font-family:inherit;font-size:12px;font-weight:600;cursor:pointer;white-space:nowrap;transition:background var(--transition),border-color var(--transition)}.process-panel-btn:hover:not(:disabled){border-color:var(--border-focus)}.process-panel-btn:disabled{opacity:.45;cursor:not-allowed}.process-panel-btn--primary{background:var(--accent);border-color:var(--accent);color:var(--bg-surface)}.process-panel-btn--primary:hover:not(:disabled){box-shadow:0 0 0 1px var(--accent)}.process-panel-btn--danger-hover{border-color:color-mix(in srgb,var(--text-secondary) 45%,transparent);color:var(--text-secondary)}.process-panel-btn--danger-hover:hover:not(:disabled){color:var(--danger);border-color:#ff5c6c59}.process-panel-dropzone{padding:3px;margin:-3px;flex:1;min-height:0;overflow:hidden;display:flex;flex-direction:column;gap:4px}.process-panel-dropzone>.process-panel-textarea{min-height:0}.process-panel-textarea{flex:1;min-height:0;width:100%;resize:none;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-surface);color:var(--text-primary);padding:10px 12px;font-family:var(--font-family);font-size:calc(14px + var(--font-size-delta, 0px));line-height:1.5}.process-panel-textarea:disabled{opacity:.6}.process-panel-error{flex-shrink:0;color:var(--danger);font-size:calc(12px + var(--font-size-delta, 0px))}.process-attached-row{flex-shrink:0;display:flex;align-items:flex-start;align-items:center;gap:8px;min-height:22px}.process-attached-row .process-panel-btn{height:22px;padding:0 10px}.process-attached-chips{flex:1;min-width:0;display:flex;flex-wrap:nowrap;gap:6px;overflow-x:auto;overflow-y:hidden;scrollbar-width:none}.process-attached-chips::-webkit-scrollbar{display:none}.process-attached-empty{font-size:calc(12px + var(--font-size-delta, 0px));color:var(--text-muted);align-self:center;white-space:nowrap;min-width:0;overflow:hidden;text-overflow:ellipsis}.process-attached-chip{flex-shrink:0;display:inline-flex;align-items:center;gap:6px;max-width:308px;padding:2px 6px 2px 8px;border-radius:var(--radius-sm);border:1px solid var(--border-focus);background:var(--bg-elevated);font-size:calc(12px + var(--font-size-delta, 0px))}.process-attached-chip-icon{flex-shrink:0}.process-attached-chip-name{display:flex;min-width:0;overflow:hidden}.process-attached-chip-name-base,.file-name-base{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0;flex:1 1 auto;color:var(--text-primary)}.process-attached-chip-name-ext,.file-name-ext{flex-shrink:0;white-space:nowrap;color:var(--text-primary)}.process-attached-chip-remove{flex-shrink:0;padding:0;border:none;background:transparent;color:var(--text-muted);font-size:11px;line-height:1;cursor:pointer}.process-attached-chip-remove:hover{color:var(--danger)}.process-attached-chip-size{flex-shrink:0;color:var(--text-muted);font-size:11px}.process-attached-row+.process-attached-row{padding-top:4px;border-top:1px solid var(--border)}.process-instructions-block{flex-shrink:0;display:flex;flex-direction:column;gap:3px;padding:6px 10px;border:1px solid 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0px))}.process-results-panel{flex-shrink:0;display:flex;flex-direction:column;gap:6px;padding-top:8px;border-top:1px solid var(--border)}.process-results-header{display:flex;align-items:center;justify-content:space-between;gap:8px}.process-results-label{font-size:11px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;color:var(--text-muted)}.process-results-collapse-btn{flex-shrink:0;width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;padding:0;border:1px solid var(--border);border-radius:var(--radius-sm);background:transparent;color:var(--text-muted);font-size:11px;line-height:1;cursor:pointer;transition:border-color var(--transition),color var(--transition)}.process-results-collapse-btn--collapsed{background:var(--accent);border-color:var(--accent);color:#fff}.process-results-collapse-btn:hover{border-color:var(--border-focus);color:var(--text-primary)}.process-result-row{display:flex;align-items:center;gap:8px;padding:6px 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6px;border-radius:var(--radius-sm);transition:color var(--transition)}.upload-file-clear:hover{color:var(--danger)}.upload-access-section{display:flex;flex-direction:column;gap:8px}.upload-access-label{font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text-secondary)}.upload-access-checkboxes{display:flex;flex-wrap:wrap;gap:10px;padding:10px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md)}.upload-access-warn{font-size:calc(12px + var(--font-size-delta, 0px));color:var(--danger);font-family:var(--font-mono)}.upload-status{padding:8px 12px;border-radius:var(--radius-md);font-size:13px;font-family:var(--font-mono)}.upload-status--loading{background:var(--accent-dim);border:1px solid var(--border-focus);color:var(--text-accent)}.upload-status--done{background:#48c78e1a;border:1px solid rgba(72,199,142,.3);color:#48c78e}.upload-status--error{background:#ff5c6c14;border:1px solid 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0px));color:var(--text-secondary);white-space:nowrap}.upload-progress-bar-wrap{height:4px;background:var(--border);border-radius:2px;overflow:hidden;margin-bottom:4px}.upload-progress-bar-fill{height:100%;background:var(--accent, #6366f1);border-radius:2px;transition:width .15s ease}.uploading-item-pct{font-size:calc(11px + var(--font-size-delta, 0px));color:var(--text-secondary)}.uploading-item-status{font-size:calc(12px + var(--font-size-delta, 0px));margin-top:2px}.uploading-item-status--done{color:var(--success, #22c55e)}.uploading-item-status--duplicate{color:var(--text-secondary)}.uploading-item-status--error{color:var(--error, #ef4444)}.doc-th-sortable{cursor:pointer;-webkit-user-select:none;user-select:none}.doc-th-sortable:hover{color:var(--text-accent)}.doc-confirm-actions{display:flex;flex-direction:row;gap:4px;align-items:center;flex-wrap:nowrap}.doc-row--selected{background:#52c4ff0f!important}.docs-bulk-actions{display:flex;align-items:center;gap:10px;padding:6px 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var(--border);border-radius:var(--radius-sm)}.edit-access-doc-name{flex:1;min-width:0;font-size:13px;font-family:var(--font-mono);color:var(--text-primary)}.edit-access-doc-checkboxes{display:flex;flex-wrap:wrap;gap:10px;flex-shrink:0}.msg-citation{display:inline;color:var(--accent);font-size:.92em;font-weight:600;cursor:pointer;padding:0 2px;border-radius:3px;transition:background .15s;white-space:nowrap;margin:0 1px}.msg-citation:hover{background:color-mix(in srgb,var(--accent) 18%,transparent);text-decoration:underline}.msg-citation-plain{font-size:.78em;color:var(--text-muted);font-weight:500;vertical-align:super;margin:0 1px;cursor:default;-webkit-user-select:none;user-select:none}.msg-sources{display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:0 0 6px 24px;margin-top:-4px}.msg-sources-label{font-size:11px;color:var(--text-muted);font-weight:500;white-space:nowrap}.msg-source-link{display:inline-flex;align-items:center;gap:4px;font-size:11px;color:var(--accent);background:color-mix(in srgb,var(--accent) 10%,transparent);border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);border-radius:4px;padding:3px 9px;cursor:pointer;transition:background .15s,border-color .15s;white-space:nowrap;max-width:320px;overflow:hidden;text-overflow:ellipsis}.msg-source-link:hover:not(:disabled){background:color-mix(in srgb,var(--accent) 20%,transparent);border-color:var(--accent)}.msg-source-link:disabled{opacity:.6;cursor:default}.msg-source-download{font-weight:500}.msg-rag-warning{font-size:12px;color:var(--text-muted);padding:2px 0 6px 24px;margin-top:-6px;display:flex;align-items:center;gap:4px}.chunk-modal-backdrop{z-index:1000}.chunk-modal-box{width:70vw;max-width:min(70vw,100%);min-width:500px;height:min(88vh,920px);max-height:min(90vh,100%);padding:0;display:flex;flex-direction:column;gap:0}.chunk-modal-box .modal-header{padding:16px 24px 0}.chunk-modal-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:700px}.chunk-modal-body{flex:1;overflow:auto;padding:20px 24px;background:var(--bg-elevated);border-top:1px solid var(--border)}.chunk-modal-text{font-family:var(--font-mono);font-size:var(--font-size-base, 14px);line-height:1.7;color:var(--text-primary);white-space:pre-wrap;word-break:break-word;overflow-x:auto;margin:0;-moz-tab-size:4;tab-size:4}@media (max-width: 600px){.chunk-modal-box{width:98vw;height:94vh;max-height:94vh}.chunk-modal-title{max-width:180px}.msg-sources{gap:4px}.msg-source-link{max-width:200px}}.lang-menu-wrap{position:relative;display:inline-flex;align-items:center;isolation:isolate}.lang-dropdown{position:fixed;z-index:9999;background:var(--bg-surface);border:1px solid var(--border-focus);border-radius:var(--radius-md);box-shadow:0 8px 32px #00000073;min-width:190px;max-height:70vh;overflow-y:auto;overflow-x:hidden;padding:4px 0;display:flex;flex-direction:column}.lang-dropdown-item{display:flex;align-items:center;gap:8px;padding:7px 14px;font-size:13px;color:var(--text-secondary);cursor:pointer;transition:background var(--transition),color var(--transition);border:none;background:none;text-align:left;font-family:var(--font-family, var(--font-ui))}.lang-dropdown-item:hover{background:var(--accent-dim);color:var(--text-primary)}.lang-dropdown-item--active{color:var(--text-accent);font-weight:600;background:color-mix(in srgb,var(--accent) 8%,transparent)}.lang-dropdown-flag{display:inline-block;min-width:28px;padding:1px 4px;border-radius:3px;background:var(--bg-elevated);border:1px solid var(--border);font-family:var(--font-mono);font-size:10px;font-weight:600;letter-spacing:.04em;color:var(--text-accent);line-height:1.6;text-align:center;flex-shrink:0}.lang-dropdown-sep{height:1px;background:var(--border);margin:4px 0}.settings-modal-box{max-width:420px;width:100%}.settings-section{display:flex;flex-direction:column;gap:10px}.settings-section-title{font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text-secondary);margin-bottom:2px}.settings-theme-cards{display:flex;gap:10px}.settings-theme-card{flex:1;display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px 12px 12px;border:2px solid var(--border);border-radius:var(--radius-md);cursor:pointer;background:var(--bg-elevated);transition:border-color var(--transition),background var(--transition);font-size:13px;color:var(--text-secondary);font-family:inherit}.settings-theme-card:hover{border-color:var(--border-focus);background:var(--accent-dim);color:var(--text-primary)}.settings-theme-card--active{border-color:var(--accent);color:var(--text-accent);background:var(--accent-dim);font-weight:600}.settings-theme-icon{font-size:22px;line-height:1}.settings-font-list{display:flex;flex-direction:column;gap:6px}.settings-font-item{display:flex;align-items:center;gap:10px;padding:9px 14px;border-radius:var(--radius-md);cursor:pointer;background:var(--bg-elevated);transition:border-color var(--transition),background var(--transition);font-size:14px;color:var(--text-secondary);border:1px solid var(--border)}.settings-font-item:hover{border-color:var(--border-focus);background:var(--accent-dim);color:var(--text-primary)}.settings-font-item--active{border-color:var(--accent);color:var(--text-accent);background:var(--accent-dim);font-weight:600}.settings-font-radio{width:14px;height:14px;accent-color:var(--accent);flex-shrink:0;cursor:pointer}[data-theme=light] .chat-page{background:var(--bg-root)}[data-theme=light] .login-card{box-shadow:0 4px 24px #0000001a}[data-theme=light] .chat-toast{box-shadow:0 4px 16px #00000026}[data-theme=light] .modal-box{box-shadow:0 8px 40px #0000002e}[data-theme=light] .admin-table tbody tr:hover{background:#00000008}[data-theme=light] .msg-row.assistant .msg-bubble{background:var(--bg-elevated);border-color:var(--border)}[data-theme=light] .msg-row.user .msg-bubble{background:var(--user-bubble);border-color:var(--user-border)}[data-theme=light] .docs-table-scroll{background:var(--bg-surface);border-color:var(--border)}[data-theme=light] .docs-thead-sticky th{background:var(--bg-elevated)}[data-theme=light] .doc-row--selected{background:#0e78c812!important}[data-theme=light] .lang-dropdown{box-shadow:0 6px 24px #0000002e}[data-theme=light] .hover-tooltip-box{background:#f0f2f7;border-color:var(--border-focus);color:var(--text-primary);box-shadow:0 4px 12px #00000026}[data-theme=light] .level-tooltip-header{color:var(--accent)}[data-theme=light] .chunk-modal-body{background:var(--bg-elevated)}.modal-help-btn{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--accent-dim);border:1px solid var(--border-focus);color:var(--text-accent);font-size:13px;font-weight:700;cursor:pointer;flex-shrink:0;transition:background var(--transition),border-color var(--transition),box-shadow var(--transition)}.modal-help-btn:hover{background:#52c4ff47;border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.modal-with-help-wrap{display:flex;flex-direction:row;align-items:stretch;gap:16px}.help-side-panel{width:350px;flex-shrink:0;max-height:calc(100vh - 40px);overflow-y:auto;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-xl);padding:24px;display:flex;flex-direction:column;gap:10px}.help-side-panel-header{display:flex;align-items:center;justify-content:space-between}.help-side-panel-title{font-size:16px;font-weight:700;color:var(--text-primary);letter-spacing:-.01em}.help-side-panel-text{font-size:calc(13px + var(--font-size-delta, 0px));color:var(--text-secondary);line-height:1.6}.help-side-panel-text+.help-side-panel-text{margin-top:4px}@media (max-width: 900px){.modal-with-help-wrap{flex-direction:column}.help-side-panel{width:100%}}