html,body,#root{min-height:100vh;margin:0}body{font-family:system-ui,-apple-system,Segoe UI,sans-serif}h1,h2,h3{margin:0 0 8px}code{font-family:ui-monospace,Consolas,monospace}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--bg:#f6f5f1;--surface:#fff;--surface-sunken:#f0efe9;--border:#e3e0d6;--border-strong:#cfcbbc;--text:#221f19;--text-muted:#6e6b60;--accent:#2f6f4f;--accent-strong:#235639;--accent-soft:#e6f1ea;--accent-contrast:#fff;--info:#3a6ea8;--info-soft:#e8f0fa;--warning:#a8711f;--warning-soft:#faf1df;--danger:#b4452e;--danger-soft:#fbece6;--shadow-sm:0 1px 2px #1e190a0d;--shadow-md:0 4px 16px #1e190a14, 0 1px 3px #1e190a0f;--shadow-lg:0 12px 32px #1e190a24, 0 2px 6px #1e190a14;--radius-sm:10px;--radius-md:16px;--radius-lg:22px}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}:root:not([data-theme=light]){--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#15140f;--surface:#211f19;--surface-sunken:#1a1914;--border:#38352b;--border-strong:#4a4738;--text:#f0efe6;--text-muted:#a9a596;--accent:#6cb68c;--accent-strong:#8ccba7;--accent-soft:#6cb68c24;--accent-contrast:#0c1310;--info:#7badea;--info-soft:#7badea24;--warning:#e3b05c;--warning-soft:#e3b05c24;--danger:#ea9683;--danger-soft:#ea968324;--shadow-sm:0 1px 2px #0000004d;--shadow-md:0 4px 16px #0006, 0 1px 3px #0000004d;--shadow-lg:0 16px 40px #00000080, 0 2px 8px #00000059}}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#15140f;--surface:#211f19;--surface-sunken:#1a1914;--border:#38352b;--border-strong:#4a4738;--text:#f0efe6;--text-muted:#a9a596;--accent:#6cb68c;--accent-strong:#8ccba7;--accent-soft:#6cb68c24;--accent-contrast:#0c1310;--info:#7badea;--info-soft:#7badea24;--warning:#e3b05c;--warning-soft:#e3b05c24;--danger:#ea9683;--danger-soft:#ea968324;--shadow-sm:0 1px 2px #0000004d;--shadow-md:0 4px 16px #0006, 0 1px 3px #0000004d;--shadow-lg:0 16px 40px #00000080, 0 2px 8px #00000059}:root[data-theme=light]{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,sans-serif}h1,h2,h3{letter-spacing:-.01em}button{cursor:pointer;border:1px solid var(--accent);background:var(--accent);color:var(--accent-contrast);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);padding:9px 16px;font-size:14px;font-weight:600;transition:background .15s,border-color .15s,transform .1s,box-shadow .15s}button:hover:not(:disabled){background:var(--accent-strong);border-color:var(--accent-strong);box-shadow:var(--shadow-md)}button:active:not(:disabled){box-shadow:var(--shadow-sm);transform:translateY(1px)}button:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}button.secondary{color:var(--text);border-color:var(--border-strong);box-shadow:none;background:0 0}button.secondary:hover:not(:disabled){background:var(--surface-sunken);border-color:var(--border-strong)}input,select,textarea{background:var(--surface);color:var(--text);border:1px solid var(--border-strong);border-radius:var(--radius-sm);box-sizing:border-box;width:100%;padding:9px 12px;font-size:14px;transition:border-color .15s,box-shadow .15s}input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);outline:none}.centered-page{justify-content:center;align-items:center;min-height:100vh;padding:16px;display:flex}.card{background:var(--surface);border:1px solid var(--border);border-top:3px solid var(--accent);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;max-width:420px;padding:28px}.login-card label,.upload-card label:not(.file-picker-button){color:var(--text-muted);margin-top:12px;margin-bottom:4px;font-size:13px;display:block}.login-card button{width:100%;margin-top:18px}.dev-note{color:var(--text-muted);background:var(--warning-soft);border:1px solid var(--warning);border-radius:var(--radius-sm);border-left-width:3px;margin:10px 0;padding:9px 12px;font-size:12px}.chat-layout{background:var(--bg);height:100vh;display:flex}.sidebar{background:var(--surface);border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;gap:10px;width:260px;padding:14px;display:flex;overflow:hidden}.new-conversation-button{flex-shrink:0;width:100%}.sidebar-section{flex-direction:column;min-height:0;display:flex}.sidebar-section-history{flex:1;min-height:0}.sidebar-section-settings{border-top:1px solid var(--border);flex-shrink:0;margin-top:auto;padding-top:10px}.sidebar-section-header{width:100%;box-shadow:none;color:var(--text-muted);letter-spacing:.05em;text-transform:uppercase;background:0 0;border:none;flex-shrink:0;justify-content:space-between;align-items:center;padding:4px 2px;font-size:11px;font-weight:700;display:flex}.sidebar-section-header:hover{color:var(--text);box-shadow:none;background:0 0}.sidebar-section-chevron{font-size:10px}.sidebar-section-body{flex-direction:column;min-height:0;display:flex}.conversation-list{flex-direction:column;flex:1;gap:4px;min-height:0;margin:6px 0 0;padding:0;list-style:none;display:flex;overflow-y:auto}.conversation-empty{color:var(--text-muted);padding:6px 2px;font-size:12px}.conversation-row{align-items:center;gap:4px;display:flex}.conversation-item{text-align:left;min-width:0;color:var(--text);box-shadow:none;border-radius:0 var(--radius-sm) var(--radius-sm) 0;text-overflow:ellipsis;white-space:nowrap;background:0 0;border:none;border-left:3px solid #0000;flex:1;padding:9px 10px;font-size:13px;font-weight:500;transition:background .15s,border-color .15s;overflow:hidden}.conversation-item:hover{background:var(--surface-sunken)}.conversation-item.active{border-left-color:var(--accent);background:var(--accent-soft);color:var(--accent-strong)}.conversation-delete{flex-shrink:0;font-size:11px}.chat-main{background:var(--surface-sunken);flex-direction:column;flex:1;min-width:0;display:flex}.chat-column{flex-direction:column;gap:14px;width:100%;max-width:760px;margin:0 auto;display:flex}.chat-topbar{background:var(--surface);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:14px 20px;font-size:14px;font-weight:600;display:flex}.topbar-actions{align-items:center;gap:18px;font-weight:500;display:flex}.topbar-actions a{color:var(--accent);text-decoration:none}.topbar-actions a:hover{text-decoration:underline}.message-list{flex-direction:column;flex:1;padding:24px 20px;display:flex;overflow-y:auto}.empty-state{color:var(--text-muted);text-align:center;margin-top:40px}.mode-select-corner{color:var(--text-muted);align-items:center;gap:6px;font-size:12px;font-weight:500;display:flex}.mode-select-corner select{width:auto;padding:5px 8px;font-size:12px}.mode-select-corner select:disabled{opacity:.7;cursor:not-allowed}.tuning-bar{color:var(--text-muted);flex-direction:column;gap:10px;padding-top:8px;font-size:12px;font-weight:500;display:flex}.tuning-bar label{flex-direction:column;align-items:stretch;gap:4px;display:flex}.tuning-bar select,.tuning-bar input{width:100%;padding:6px 8px;font-size:12px}.message{border-radius:var(--radius-md);border:1px solid var(--border);max-width:88%;box-shadow:var(--shadow-sm);padding:12px 16px}.message-user{background:var(--accent);color:var(--accent-contrast);border-color:var(--accent);border-bottom-right-radius:4px;align-self:flex-end}.message-assistant{background:var(--surface);border-left:3px solid var(--accent);border-bottom-left-radius:4px;align-self:flex-start}.message-header{align-items:center;gap:8px;margin-bottom:6px;display:flex}.message-avatar{background:var(--accent-soft);width:22px;height:22px;color:var(--accent-strong);border-radius:999px;flex-shrink:0;justify-content:center;align-items:center;font-size:10px;font-weight:700;display:flex}.message-user .message-avatar{color:var(--accent-contrast);background:#ffffff40}.message-time{opacity:.65;font-size:11px}.message-text{white-space:pre-wrap;margin:0;line-height:1.5}.message-typing{align-items:center;gap:5px;padding:14px 16px;display:flex}.typing-dot{background:var(--text-muted);border-radius:999px;width:6px;height:6px;animation:1.2s ease-in-out infinite typing-bounce}.typing-dot:nth-child(2){animation-delay:.15s}.typing-dot:nth-child(3){animation-delay:.3s}@keyframes typing-bounce{0%,60%,to{opacity:.5;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}}.message-citations{color:var(--text-muted);border-top:1px solid var(--border);margin:8px 0 0;padding-top:8px;font-size:12px}.message-table-wrap{margin:6px 0;overflow-x:auto}.message-table{border-collapse:separate;border-spacing:0;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;overflow:hidden}.message-table th{text-align:left;letter-spacing:.03em;text-transform:uppercase;background:var(--surface-sunken);color:var(--text-muted);border-bottom:1px solid var(--border);padding:8px 12px;font-size:11px;font-weight:600}.message-user .message-table th{color:var(--accent-contrast);background:#ffffff26}.message-table td{border-bottom:1px solid var(--border);padding:8px 12px}.message-table tr:last-child td{border-bottom:none}.message-actions{gap:14px;margin-top:10px;display:flex}.link-button{color:var(--text-muted);box-shadow:none;text-underline-offset:2px;background:0 0;border:none;align-items:center;gap:4px;padding:0;font-size:12px;font-weight:600;text-decoration:underline;display:inline-flex}.link-button:hover:not(:disabled){color:var(--accent);box-shadow:none;background:0 0}.link-button.active{color:var(--accent);font-weight:700}.thumb-row{gap:10px;margin:14px 0;display:flex}.thumb-button{background:var(--surface-sunken);border:1px solid var(--border-strong);color:var(--text-muted);border-radius:var(--radius-sm);box-shadow:none;flex-direction:column;flex:1;align-items:center;gap:4px;padding:12px;font-size:12px;font-weight:600;display:flex}.thumb-button:hover:not(:disabled){border-color:var(--accent);color:var(--text);background:var(--surface-sunken);box-shadow:none}.thumb-selected-up{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-strong)}.thumb-selected-down{border-color:var(--danger);background:var(--danger-soft);color:var(--danger)}.composer{background:var(--surface-sunken);border-top:1px solid var(--border);padding:16px 20px 20px}.composer-row{background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);flex-direction:row;align-items:flex-end;gap:10px;padding:8px 8px 8px 16px;display:flex}.composer-row:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.composer-row textarea{resize:none;background:0 0;border:none;flex:1;max-height:160px;padding:8px 0;font-family:inherit;line-height:1.5}.composer-row textarea:focus{box-shadow:none;outline:none}.composer-row button{border-radius:var(--radius-md);flex-shrink:0}.error-banner{color:var(--danger);background:var(--danger-soft);border:1px solid var(--danger);border-radius:var(--radius-sm);border-left-width:3px;padding:9px 12px;font-size:13px}.modal-overlay{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:100;background:#0a080473;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;max-width:480px;max-height:85vh;padding:24px;overflow-y:auto}.modal-card h2{margin:0 0 16px;font-size:18px}.explainability-card{max-width:560px}.panel{border-radius:var(--radius-sm);border:1px solid var(--border);border-left-width:3px;margin-top:12px;padding:12px 14px}.panel-eyebrow{letter-spacing:.06em;text-transform:uppercase;margin-bottom:6px;font-size:11px;font-weight:700;display:block}.panel-neutral{background:var(--surface-sunken);border-left-color:var(--border-strong)}.panel-neutral .panel-eyebrow{color:var(--text-muted)}.panel-info{background:var(--info-soft);border-left-color:var(--info)}.panel-info .panel-eyebrow{color:var(--info)}.panel-warning{background:var(--warning-soft);border-left-color:var(--warning)}.panel-warning .panel-eyebrow{color:var(--warning)}.panel-success{background:var(--accent-soft);border-left-color:var(--accent)}.panel-success .panel-eyebrow{color:var(--accent-strong)}.panel p,.panel ul,.panel ol{margin:0}.citation-list{margin:0;padding-left:18px;font-size:13px;line-height:1.6}.tag-row{flex-wrap:wrap;gap:8px;margin:10px 0;display:flex}.tag{background:var(--surface);border:1px solid var(--border-strong);color:var(--text);box-shadow:none;border-radius:999px;padding:7px 12px;font-size:12px;font-weight:500;transition:all .15s}.tag:hover{border-color:var(--accent)}.tag-selected{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-strong)}.modal-actions{justify-content:flex-end;gap:10px;margin-top:20px;display:flex}.upload-card{max-width:480px}.documents-card{max-width:820px}.documents-table-scroll{border:1px solid var(--border);border-radius:var(--radius-sm);max-height:60vh;margin-top:14px;overflow:auto}.documents-table{border-collapse:separate;border-spacing:0;width:100%;min-width:640px;font-size:13px}.documents-table th{text-align:left;color:var(--text-muted);letter-spacing:.04em;text-transform:uppercase;background:var(--surface-sunken);border-bottom:1px solid var(--border);padding:10px 12px;font-size:11px;font-weight:600;position:sticky;top:0}.documents-table td{border-bottom:1px solid var(--border);padding:10px 12px}.documents-table tr:last-child td{border-bottom:none}.documents-table tr:hover td{background:var(--surface-sunken)}.documents-table-actions{white-space:nowrap;gap:12px;display:flex}.status-badge{letter-spacing:.02em;text-transform:capitalize;border-radius:999px;padding:3px 10px;font-size:11px;font-weight:700;display:inline-block}.status-badge.status-indexed,.status-badge.status-uploaded{background:var(--accent-soft);color:var(--accent-strong)}.status-badge.status-pending_upload,.status-badge.status-downloading,.status-badge.status-chunking,.status-badge.status-embedding{background:var(--info-soft);color:var(--info)}.status-badge.status-downloading:after,.status-badge.status-chunking:after,.status-badge.status-embedding:after{content:"";background:currentColor;border-radius:999px;width:5px;height:5px;margin-left:5px;animation:1.2s ease-in-out infinite typing-bounce;display:inline-block}.status-badge.status-failed,.status-badge.status-rejected{background:var(--danger-soft);color:var(--danger)}.dev-note-inline{color:var(--text-muted);font-size:11px}.dropzone{border:2px dashed var(--border-strong);border-radius:var(--radius-md);text-align:center;color:var(--text-muted);margin:14px 0;padding:28px 16px;transition:border-color .15s,background .15s}.dropzone-active{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-strong)}.dropzone-actions{justify-content:center;gap:10px;margin-top:12px;display:flex}.file-picker-button{border:1px solid var(--accent);background:var(--accent);color:var(--accent-contrast);border-radius:var(--radius-sm);cursor:pointer;box-shadow:var(--shadow-sm);padding:9px 16px;font-size:14px;font-weight:600;transition:background .15s;display:inline-block}.file-picker-button:hover{background:var(--accent-strong)}.file-queue{flex-direction:column;gap:8px;margin:14px 0;padding:0;font-size:13px;list-style:none;display:flex}.file-queue li{background:var(--surface-sunken);border:1px solid var(--border);color:var(--text);border-radius:var(--radius-sm);justify-content:space-between;align-items:center;gap:12px;padding:9px 12px;display:flex}.file-queue li strong{color:var(--text);font-weight:600}.status-uploaded{color:var(--accent)}.status-rejected{color:var(--danger)}