:root{--brand: #ff313a;--radius: 12px;--radius-sm: 8px;--radius-lg: 18px;--font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--shadow: 0 6px 24px rgba(0, 0, 0, .18);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .12);--transition: .16s cubic-bezier(.4, 0, .2, 1)}:root[data-theme=dark]{--bg: #0b0d12;--bg-elev: #151925;--bg-elev-2: #1c2130;--border: #262c3d;--text: #e6e8ee;--text-dim: #8a90a2;--primary: #6366f1;--primary-hover: #4f46e5;--primary-soft: #6366f133;--accent: #22d3ee;--success: #4ade80;--success-bg: #153a2a;--warning: #fbbf24;--warning-bg: #3a2f15;--danger: #f87171;--danger-bg: #3a1515;--input-bg: #0f1320}:root[data-theme=light]{--bg: #f4f6fb;--bg-elev: #ffffff;--bg-elev-2: #f0f2f8;--border: #e2e6ef;--text: #1a1f2e;--text-dim: #6b7280;--primary: #4f46e5;--primary-hover: #4338ca;--primary-soft: #4f46e51a;--accent: #0891b2;--success: #16a34a;--success-bg: #dcfce7;--warning: #b45309;--warning-bg: #fef3c7;--danger: #dc2626;--danger-bg: #fee2e2;--input-bg: #ffffff}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-size:15px;line-height:1.5}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}img{max-width:100%;display:block}.logo-mark{flex:none;color:var(--brand)}h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}input,textarea,select{font-family:inherit}.app-shell{display:flex;min-height:100%}.sidebar{width:240px;background:var(--bg-elev);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:16px 12px;gap:4px;position:sticky;top:0;height:100vh;overflow-y:auto;overscroll-behavior:contain}.sidebar-brand{display:flex;align-items:center;gap:5px;padding:8px 8px 16px;font-weight:800;font-size:17px}.nav-section{color:var(--text-dim);font-size:11px;text-transform:uppercase;letter-spacing:.06em;padding:14px 12px 6px}.nav-item{display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:var(--radius-sm);color:var(--text-dim);font-weight:500;transition:var(--transition);border:none;background:none;width:100%;text-align:left}.nav-item:hover{background:var(--bg-elev-2);color:var(--text)}.nav-item.active{background:var(--primary-soft);color:var(--text)}.nav-item.active svg{color:var(--primary)}.sidebar-footer{margin-top:auto}.main{flex:1;min-width:0;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;gap:12px;padding:14px 24px;border-bottom:1px solid var(--border);background:var(--bg-elev);position:sticky;top:0;z-index:20}.topbar .spacer{flex:1}.content{padding:24px;max-width:1100px;width:100%;margin:0 auto}.page-title{font-size:22px;margin-bottom:4px}.page-sub{color:var(--text-dim);margin-bottom:22px}.topbar-brand{display:flex;align-items:center;gap:4px;font-weight:800;font-size:16px}.bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:50;display:none;align-items:stretch;justify-content:space-around;background:var(--bg-elev);border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom)}.bottom-nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;padding:9px 4px;min-height:56px;border:none;background:none;color:var(--text-dim);font-size:11px;font-weight:600;transition:var(--transition)}.bottom-nav-item span{line-height:1}.bottom-nav-item.active{color:var(--primary)}.bottom-nav-item:active{background:var(--bg-elev-2)}.action-bar{display:flex;gap:10px;margin-top:24px;justify-content:flex-end}.mobile-only{display:none}.desktop-only{display:inline-flex}@media (max-width: 860px){.sidebar{position:fixed;z-index:60;transform:translate(-100%);transition:transform var(--transition);padding-bottom:calc(16px + env(safe-area-inset-bottom))}.sidebar.open{transform:translate(0)}.backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:55}.mobile-only{display:inline-flex}.desktop-only{display:none}.content{padding:16px 16px calc(84px + env(safe-area-inset-bottom))}.bottom-nav{display:flex}.topbar{padding:12px 16px}.input,.textarea,.select{font-size:16px}.btn{padding:12px 16px;min-height:46px}.btn-icon{min-height:44px;min-width:44px}.nav-item{padding:12px}.action-bar{position:fixed;left:0;right:0;bottom:calc(56px + env(safe-area-inset-bottom));margin:0;padding:12px 16px;gap:10px;z-index:45;background:var(--bg-elev);border-top:1px solid var(--border)}.action-bar .btn{flex:1}.has-action-bar .content{padding-bottom:calc(150px + env(safe-area-inset-bottom))}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;border-radius:var(--radius-sm);border:1px solid transparent;font-weight:600;font-size:14px;transition:var(--transition);background:var(--bg-elev-2);color:var(--text)}.btn:hover{filter:brightness(1.08)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover);filter:none}.btn-ghost{background:transparent;border-color:var(--border)}.btn-danger{background:var(--danger-bg);color:var(--danger)}.btn-lg{padding:14px 22px;font-size:15px}.btn-block{width:100%}.btn-icon{padding:9px;background:transparent;border-color:var(--border);color:var(--text-dim)}.btn-icon:hover{color:var(--text)}.card{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.card+.card{margin-top:16px}.card-title{font-size:15px;margin-bottom:12px;display:flex;align-items:center;gap:8px}.grid{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}.grid-3{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}.field{margin-bottom:16px}.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--text)}.field .hint{font-size:12px;color:var(--text-dim);margin-top:4px}.input,.textarea,.select{width:100%;padding:10px 12px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--input-bg);color:var(--text);font-size:14px;transition:var(--transition)}.input:focus,.textarea:focus,.select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}.textarea{resize:vertical;min-height:90px}.row{display:flex;gap:12px;flex-wrap:wrap}.row>*{flex:1;min-width:140px}.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:600}.badge-QUEUED,.badge-idle{background:var(--bg-elev-2);color:var(--text-dim)}.badge-ASSEMBLING_PROMPT,.badge-RENDERING,.badge-EVALUATING{background:var(--warning-bg);color:var(--warning)}.badge-AWAITING_CONFIRMATION{background:var(--accent);color:#06232a}.badge-AWAITING_APPROVAL{background:var(--primary-soft);color:var(--primary)}.badge-DONE{background:var(--success-bg);color:var(--success)}.badge-FAILED{background:var(--danger-bg);color:var(--danger)}.badge-muted{background:var(--bg-elev-2);color:var(--text-dim)}.progress{height:8px;background:var(--bg-elev-2);border-radius:999px;overflow:hidden}.progress>span{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));transition:width .4s ease}.stepper{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.stage{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-elev);padding:12px;display:flex;flex-direction:column;gap:8px}.stage.is-running{border-color:var(--warning)}.stage.is-done{border-color:var(--success)}.stage.is-failed{border-color:var(--danger)}.stage-head{display:flex;align-items:center;gap:8px}.stage-ai{font-size:11px;color:var(--text-dim)}.stage-name{font-weight:700;font-size:14px}.stage-dot{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto;background:var(--bg-elev-2);color:var(--text-dim)}.stage.is-running .stage-dot{background:var(--warning-bg);color:var(--warning)}.stage.is-done .stage-dot{background:var(--success-bg);color:var(--success)}.stage.is-failed .stage-dot{background:var(--danger-bg);color:var(--danger)}.stage-msg{font-size:12px;color:var(--text-dim);min-height:16px}@media (max-width: 640px){.stepper{grid-template-columns:1fr}}.vtabs{display:flex;flex-wrap:wrap;gap:6px}.vtab{border:1px solid var(--border);background:var(--bg-elev-2);color:var(--text-dim);border-radius:999px;padding:4px 12px;font-size:12px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:5px}.vtab:hover{color:var(--text)}.vtab.active{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}.spinner{width:18px;height:18px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}.spinner-lg{width:40px;height:40px;border-width:3px}@keyframes spin{to{transform:rotate(360deg)}}.center-screen{display:grid;place-items:center;min-height:100vh;gap:14px}.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(1200px 600px at 20% -10%,var(--primary-soft),transparent),var(--bg)}.auth-card{width:100%;max-width:400px;background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow)}.auth-logo{display:flex;align-items:center;gap:5px;font-weight:800;font-size:20px;margin-bottom:6px}.choice-grid{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.choice{border:1.5px solid var(--border);background:var(--bg-elev);border-radius:var(--radius);padding:12px;text-align:left;transition:var(--transition);position:relative;overflow:hidden}.choice:hover{border-color:var(--primary)}.choice.selected{border-color:var(--primary);background:var(--primary-soft)}.choice .choice-name{font-weight:700;font-size:14px;margin-bottom:2px}.choice .choice-desc{font-size:12px;color:var(--text-dim);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.choice .choice-thumb{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-sm);margin-bottom:8px}.choice .check{position:absolute;top:8px;right:8px;color:var(--primary)}.dropzone{border:2px dashed var(--border);border-radius:var(--radius);padding:28px;text-align:center;color:var(--text-dim);transition:var(--transition);cursor:pointer;background:var(--input-bg)}.dropzone:hover,.dropzone.drag{border-color:var(--primary);color:var(--text)}.dropzone-preview{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border)}.dropzone-preview img{width:100%;max-height:320px;object-fit:contain;background:var(--bg-elev-2)}.dropzone-preview .remove{position:absolute;top:8px;right:8px}.swatches{display:flex;gap:6px;flex-wrap:wrap}.swatch{width:22px;height:22px;border-radius:6px;border:1px solid var(--border)}.list{display:flex;flex-direction:column;gap:10px}.list-row{display:flex;align-items:center;gap:14px;padding:12px 14px;background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius)}.list-row .grow{flex:1;min-width:0}.list-row h4{font-size:14px}.list-row p{margin:2px 0 0;font-size:12px;color:var(--text-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.muted{color:var(--text-dim)}.text-sm{font-size:13px}.text-xs{font-size:12px}.mono{font-family:ui-monospace,Cascadia Code,Consolas,monospace}.result-grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}.result-tile{border:2px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--bg-elev-2);transition:var(--transition)}.result-tile.selected{border-color:var(--primary)}.result-tile img{width:100%;aspect-ratio:1;object-fit:contain;background:var(--bg-elev)}.result-tile .actions{display:flex;gap:8px;padding:10px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;display:grid;place-items:center;z-index:100;padding:16px}.modal{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;max-width:620px;max-height:90vh;overflow:auto;box-shadow:var(--shadow)}.modal-head{display:flex;align-items:center;padding:18px 20px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--bg-elev)}.modal-head h3{flex:1}.modal-body{padding:20px}.modal-foot{display:flex;justify-content:flex-end;gap:10px;padding:16px 20px;border-top:1px solid var(--border);position:sticky;bottom:0;background:var(--bg-elev)}.toast-wrap{position:fixed;bottom:20px;right:20px;display:flex;flex-direction:column;gap:10px;z-index:200;max-width:360px}.toast{padding:12px 16px;border-radius:var(--radius);background:var(--bg-elev);border:1px solid var(--border);box-shadow:var(--shadow);display:flex;gap:10px;align-items:flex-start;animation:slidein .2s ease}.toast.success{border-left:3px solid var(--success)}.toast.error{border-left:3px solid var(--danger)}.toast.info{border-left:3px solid var(--primary)}@keyframes slidein{0%{transform:translate(20px);opacity:0}}.stack{display:flex;flex-direction:column;gap:14px}.flex{display:flex;align-items:center;gap:10px}.flex-between{display:flex;align-items:center;justify-content:space-between;gap:10px}.wrap{flex-wrap:wrap}.mt-2{margin-top:8px}.mt-3{margin-top:16px}.mt-4{margin-top:24px}.empty{text-align:center;color:var(--text-dim);padding:40px 20px}.divider{height:1px;background:var(--border);margin:16px 0}.pre{white-space:pre-wrap;word-break:break-word;background:var(--input-bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px;font-size:12.5px;line-height:1.6;max-height:320px;overflow:auto}