:root{color-scheme:light;--bg-primary: #e8f0ff;--bg-secondary: #f7f9ff;--bg-tertiary: #dfe7ff;--surface-muted: #e6ecfb;--text-primary: #0d172b;--text-secondary: #4a5672;--accent-color: #7c8dff;--accent-strong: #4b6bdb;--success-color: #0ea5e9;--danger-color: #ef4444;--border-subtle: #d5ddf5;--shadow-soft: 0 12px 40px rgba(13, 23, 43, .08);--control-surface: rgba(255, 255, 255, .9)}[data-theme=dark]{color-scheme:dark;--bg-primary: #0b1220;--bg-secondary: #0f172a;--bg-tertiary: #111827;--surface-muted: #1f2937;--text-primary: #e2e8f0;--text-secondary: #cbd5e1;--accent-color: #a78bfa;--accent-strong: #7c3aed;--success-color: #34d399;--danger-color: #f87171;--border-subtle: #1f2937;--shadow-soft: 0 12px 40px rgba(0, 0, 0, .35);--control-surface: rgba(17, 24, 39, .85)}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Helvetica Neue,sans-serif;background:radial-gradient(circle at 10% 20%,rgba(124,58,237,.08),transparent 25%),radial-gradient(circle at 90% 10%,rgba(52,211,153,.08),transparent 22%),var(--bg-primary);color:var(--text-primary)}#root{min-height:100vh}.chat-shell{max-width:1200px;margin:0 auto;padding:24px 24px 32px;display:flex;flex-direction:column;gap:16px}.app-chrome{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border:1px solid var(--border-subtle);border-radius:16px;background:linear-gradient(135deg,var(--bg-secondary),var(--surface-muted));box-shadow:var(--shadow-soft)}.brand-header{display:flex;align-items:center;gap:12px}.brand-icon{background:linear-gradient(135deg,var(--accent-color),var(--accent-strong));padding:10px;border-radius:12px;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 30px #7c3aed40}.brand-icon img{width:28px;height:28px}.brand-stack{display:flex;flex-direction:column;gap:2px}.brand-kicker{font-weight:700;letter-spacing:.02em}.brand-subtitle{font-size:.9rem;color:var(--text-secondary)}.header-controls{display:flex;align-items:center;gap:10px}.theme-toggle,.reset-btn,.chip,.session-pill{border:1px solid var(--border-subtle);background:var(--bg-secondary);color:var(--text-primary);border-radius:999px;padding:8px 12px;font-weight:600;cursor:pointer;transition:transform .12s ease,box-shadow .2s ease}.theme-toggle:hover,.reset-btn:hover,.chip:hover{transform:translateY(-1px);box-shadow:var(--shadow-soft)}.session-pill{background:var(--surface-muted);pointer-events:none}.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:.8rem;color:var(--text-secondary);margin-bottom:6px}.lead{color:var(--text-secondary);max-width:540px;line-height:1.6}.upload-interface{display:flex;flex-direction:column;gap:20px;padding:0 4px}.upload-hero{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:20px;background:linear-gradient(145deg,rgba(124,58,237,.06),var(--bg-secondary));border:1px solid var(--border-subtle);border-radius:18px;padding:24px;box-shadow:var(--shadow-soft)}.upload-left h1{font-size:2rem;margin-bottom:12px}.upload-actions{display:flex;flex-direction:column;gap:10px;margin:16px 0}.upload-actions.secondary{flex-direction:row;justify-content:space-between;align-items:center}.upload-btn{background:linear-gradient(135deg,var(--accent-color),var(--accent-strong));color:#fff;border:none;border-radius:12px;padding:14px 18px;font-weight:700;cursor:pointer;transition:transform .12s ease,box-shadow .2s ease;box-shadow:0 12px 30px #7c3aed59}.upload-btn:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}.upload-btn:hover:not(:disabled){transform:translateY(-1px)}.pill{display:inline-flex;align-items:center;justify-content:center;padding:6px 10px;border-radius:999px;background:var(--surface-muted);color:var(--text-secondary);font-weight:600;gap:6px}.pill.success{background:#10b9811f;color:var(--success-color)}.action-hint{display:flex;gap:8px;flex-wrap:wrap}.progress-shell{background:var(--bg-secondary);border:1px solid var(--border-subtle);padding:14px;border-radius:14px;display:flex;flex-direction:column;gap:10px}.progress-labels{display:flex;justify-content:space-between;color:var(--text-secondary);font-size:.9rem}.progress-track{width:100%;height:10px;background:var(--surface-muted);border-radius:999px;overflow:hidden}.progress-bar{height:100%;background:linear-gradient(90deg,var(--accent-color),var(--accent-strong));border-radius:999px}.progress-steps{display:flex;gap:8px;flex-wrap:wrap}.step-chip{padding:8px 12px;border-radius:10px;background:var(--surface-muted);color:var(--text-secondary);font-weight:600}.step-chip.active{background:#7c3aed1f;color:var(--accent-strong)}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px;margin-bottom:12px}.info-card{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:14px;padding:12px;box-shadow:var(--shadow-soft)}.info-card.highlight{background:linear-gradient(135deg,rgba(124,58,237,.08),var(--bg-secondary))}.upload-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;margin:10px 0 6px}.upload-preview{position:relative;aspect-ratio:1;border-radius:12px;border:1px solid var(--border-subtle);overflow:hidden;background:var(--bg-secondary);box-shadow:var(--shadow-soft)}.upload-preview img{width:100%;height:100%;object-fit:cover}.upload-label{position:absolute;bottom:8px;left:8px;background:#000000a6;color:#fff;padding:4px 8px;border-radius:8px;font-size:.8rem}.remove-upload{position:absolute;top:8px;right:8px;width:28px;height:28px;border-radius:50%;border:none;background:#ef4444e6;color:#fff;font-weight:700;cursor:pointer}.empty-upload-state{border:1px dashed var(--border-subtle);border-radius:12px;padding:20px;text-align:center;color:var(--text-secondary)}.dashed-box{border:1px dashed var(--border-subtle);padding:12px;border-radius:10px}.upload-info .supporting{color:var(--text-secondary)}.start-chat-btn{background:linear-gradient(135deg,var(--success-color),#0ea371);color:#fff;border:none;padding:12px 16px;border-radius:12px;font-weight:700;display:inline-flex;align-items:center;gap:8px;cursor:pointer;box-shadow:0 12px 30px #10b98159}.inline-spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top:2px solid white;border-radius:50%;animation:spin 1s linear infinite}main{flex-grow:1;display:flex;flex-direction:column}.chat-layout{display:flex;flex-direction:column;gap:16px}.chat-topbar{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;padding:16px;border-radius:16px;border:1px solid var(--border-subtle);background:var(--bg-secondary);box-shadow:var(--shadow-soft)}.quick-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.status-stack{display:grid;grid-template-columns:1fr 1fr;gap:8px}.status-card{padding:12px;border:1px solid var(--border-subtle);border-radius:12px;background:var(--surface-muted)}.chat-body{display:grid;grid-template-columns:260px 1fr;gap:12px}.chat-rail{display:flex;flex-direction:column;gap:10px}.rail-card{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:14px;padding:12px;box-shadow:var(--shadow-soft)}.rail-card.compact{display:flex;flex-direction:column;gap:10px}.mini-header{display:flex;justify-content:space-between;align-items:center;gap:8px}.mini-stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.mini-stat{display:flex;align-items:center;gap:8px;padding:8px;border-radius:10px;background:var(--surface-muted)}.mini-icon{width:28px;height:28px;display:grid;place-items:center;border-radius:8px;border:1px solid var(--border-subtle);background:var(--bg-primary);font-size:14px}.stat-value{font-weight:700;color:var(--text-primary)}.rail-list{list-style:none;margin-top:8px}.rail-list li{display:flex;justify-content:space-between;padding:6px 0;color:var(--text-secondary)}.chat-thread{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:16px;padding:12px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--shadow-soft)}.timeline-card{display:flex;flex-direction:column;gap:10px}.timeline-header{display:flex;flex-direction:column;gap:4px}.timeline-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.timeline-tile{position:relative;padding:10px 6px 6px;border-radius:10px;border:1px solid var(--border-subtle);background:var(--surface-muted);display:flex;flex-direction:column;gap:6px;overflow:visible}.timeline-tile img{width:100%;height:80px;border-radius:8px;object-fit:contain;background:var(--bg-secondary)}.timeline-badge{position:absolute;top:-8px;left:-8px;width:24px;height:24px;border-radius:999px;border:2px solid var(--surface-muted);background:linear-gradient(135deg,var(--accent-color),var(--accent-strong));color:#fff;font-weight:800;font-size:11px;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px #00000038}.timeline-type{font-size:12px;text-transform:capitalize;color:var(--text-secondary)}.empty-copy{margin:2px 0 0}.bubble{max-width:80%;padding:12px 14px;border-radius:14px;line-height:1.5;box-shadow:var(--shadow-soft)}.bubble.dark,.thinking-bubble-style{background:var(--surface-muted)}.bubble.assistant{background:var(--surface-muted);color:var(--text-primary);align-self:flex-start}.bubble.user{background:linear-gradient(135deg,var(--accent-color),var(--accent-strong));color:#fff;align-self:flex-end}.user-bubble-content{display:flex;align-items:flex-start;gap:10px}.user-upload-thumbs{display:flex;flex-direction:column;gap:8px;flex:0 0 86px}.user-upload-thumb{width:86px;height:86px;border-radius:10px;border:1px solid var(--border-subtle);background:var(--bg-secondary);overflow:hidden;box-shadow:var(--shadow-soft)}.user-upload-thumb img{width:100%;height:100%;object-fit:contain}.user-bubble-text{display:flex;flex-direction:column;gap:8px;flex:1}.pending-image-container{display:flex;flex-direction:column;align-items:center;gap:8px;padding:12px;border-radius:12px;background:var(--bg-secondary);border:1px dashed var(--border-subtle)}.editing-spinner{width:32px;height:32px;border:4px solid rgba(124,58,237,.25);border-top:4px solid var(--accent-color);border-radius:50%;animation:spin 1s linear infinite}.editing-text{color:var(--text-secondary);font-weight:600}.image-container{display:flex;flex-direction:column;gap:12px}.user-upload-container{border:1px dashed var(--border-subtle);border-radius:12px;padding:8px;background:var(--surface-muted)}.image-pair{display:flex;flex-wrap:wrap;gap:12px}.image-wrapper{position:relative;max-width:260px;border-radius:12px;overflow:hidden;border:1px solid var(--border-subtle);background:var(--bg-secondary)}.image-wrapper img{width:100%;height:auto;display:block}.image-label{position:absolute;top:10px;right:10px;background:#000000b3;color:#fff;padding:6px 10px;border-radius:10px;font-size:.8rem}.image-controls{position:absolute;bottom:10px;left:10px;display:flex;gap:8px}.image-control-btn{background:var(--control-surface);border:1px solid var(--border-subtle);border-radius:12px;width:44px;height:44px;display:grid;place-items:center;cursor:pointer;color:var(--text-primary);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);transition:transform .15s ease,box-shadow .2s ease,background .2s ease}.control-icon{width:18px;height:18px;stroke:currentColor}.image-control-btn:hover{background:linear-gradient(135deg,var(--accent-color),var(--accent-strong));color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-soft)}.image-control-btn:focus-visible{outline:2px solid var(--accent-strong);outline-offset:2px;background:linear-gradient(135deg,var(--accent-color),var(--accent-strong));color:#fff;box-shadow:var(--shadow-soft)}.blocked-content{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;gap:8px;color:var(--danger-color)}.blocked-subtitle{color:var(--text-secondary)}footer{margin-top:8px;background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:18px;padding:12px;display:flex;align-items:flex-end;gap:10px;box-shadow:var(--shadow-soft)}textarea{flex:1;border-radius:12px;border:1px solid var(--border-subtle);padding:12px;font-size:1rem;background:var(--surface-muted);color:var(--text-primary);min-height:48px;resize:none}.footer-actions{display:flex;align-items:center;gap:8px}.chat-upload-preview{width:52px;height:52px;border-radius:12px;object-fit:cover;border:1px solid var(--border-subtle)}.icon-chip{width:20px;height:20px;display:grid;place-items:center;border-radius:8px;background:linear-gradient(135deg,var(--accent-color),var(--accent-strong));color:#fff;box-shadow:0 6px 14px #00000029}.upload-icon-btn,.send-btn,.settings-btn{border:none;border-radius:12px;padding:12px 14px;min-height:48px;background:var(--accent-color);color:#fff;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;letter-spacing:.01em;transition:transform .15s ease,box-shadow .2s ease,background .2s ease}.upload-icon-btn:hover,.send-btn:hover{box-shadow:var(--shadow-soft);transform:translateY(-1px);background:linear-gradient(135deg,var(--accent-color),var(--accent-strong))}.settings-btn{background:var(--surface-muted);color:var(--text-primary);border:1px solid var(--border-subtle)}.settings-btn.active{box-shadow:var(--shadow-soft);border-color:transparent}.settings-panel{position:absolute;bottom:56px;right:0;background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:12px;padding:12px;box-shadow:var(--shadow-soft);width:240px;display:flex;flex-direction:column;gap:10px}.settings-panel h4{margin:0;color:var(--text-primary)}.send-settings-group{position:relative;display:flex;gap:6px}.settings-row label{font-size:.9rem;color:var(--text-secondary)}.settings-row select,.settings-chip{margin-top:6px}.settings-row select{width:100%;border-radius:10px;border:1px solid var(--border-subtle);background:var(--surface-muted);color:var(--text-primary);padding:10px 12px;font-weight:600;box-shadow:inset 0 1px #ffffff59}.settings-chip{border:1px solid var(--border-subtle);background:var(--surface-muted);border-radius:8px;padding:8px 10px;cursor:pointer;transition:background .2s ease,transform .12s ease}.settings-chip.active{background:#4b6bdb29;color:var(--accent-strong)}.thinking-bubble{display:inline-flex;align-items:center;gap:8px;background:transparent;padding:6px 8px;border-radius:12px;box-shadow:none}.thinking-bubble-style{background:transparent;box-shadow:none!important;border:none}.thinking-dots span{display:inline-block;width:8px;height:8px;background:var(--accent-strong);border-radius:50%;margin-right:4px;animation:bounce 1s infinite alternate}.thinking-dots span:nth-child(2){animation-delay:.2s}.thinking-dots span:nth-child(3){animation-delay:.4s}.thinking-text,.thinking-message{font-style:italic;color:var(--text-secondary)}.copy{text-align:center;color:var(--text-secondary);font-size:.425rem}@keyframes spin{to{transform:rotate(360deg)}}@keyframes bounce{to{transform:translateY(-6px)}}@media(max-width:900px){.chat-body{grid-template-columns:1fr}.chat-rail{flex-direction:row}}@media(max-width:640px){.chat-shell{padding:16px}.app-chrome,.chat-topbar,footer{flex-direction:column;align-items:flex-start}.upload-actions.secondary{flex-direction:column;align-items:flex-start}.chat-rail{flex-direction:column}}