:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f4f6fa;--bg-elevated:#fff;--bg-soft:#eef1f6;--surface:#fff;--surface-translucent:#ffffffd9;--sidebar-bg:#fff;--border:#0f172a1a;--border-strong:#0f172a29;--hover:#0f172a0a;--text:#1a2233;--text-muted:#5b6576;--accent:#7c5cff;--accent-2:#4f8cff;--accent-soft:#7c5cff1f;--success:#16a34a;--danger:#dc2626;--code-bg:#0f172a;--code-text:#e2e8f0;--shadow-sm:0 1px 2px #0f172a0f, 0 1px 3px #0f172a14;--shadow-md:0 4px 14px #0f172a14, 0 2px 6px #0f172a0d;--shadow-lg:0 20px 48px #0f172a24;--sidebar-width:320px;--sidebar-collapsed-width:72px;--topbar-height:64px;--footer-height:84px;--radius:14px;-webkit-font-smoothing:antialiased;font-family:Inter,Segoe UI,system-ui,sans-serif}*{box-sizing:border-box}html,body,#root{background:var(--bg);height:100%;min-height:100%;color:var(--text);margin:0;overflow:hidden}button,textarea,select,input{font:inherit}.app-loading{min-height:100vh;color:var(--text-muted);place-items:center;gap:12px;display:grid}.loader{border:3px solid #0f172a24;border-top-color:var(--accent);border-radius:50%;width:36px;height:36px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.app-shell{grid-template-columns:var(--sidebar-width) 1fr;height:100vh;min-height:100vh;display:grid;overflow:hidden}.app-shell.sidebar-collapsed{grid-template-columns:var(--sidebar-collapsed-width) 1fr}.main-column{flex-direction:column;min-width:0;height:100vh;min-height:0;display:flex;overflow:hidden}.sidebar{border-right:1px solid var(--border);background:var(--sidebar-bg);flex-direction:column;gap:12px;min-height:0;padding:14px 12px;transition:width .2s;display:flex;position:relative;overflow:hidden}.sidebar-resize-handle{cursor:col-resize;z-index:5;touch-action:none;width:6px;height:100%;position:absolute;top:0;right:-3px}.sidebar-resize-handle:hover,.sidebar-resize-handle:active{background:#7c5cff59}.sidebar .chat-rail,.sidebar .chat-list{scrollbar-width:thin;scrollbar-color:#0f172a29 transparent;overflow:hidden auto}.sidebar-scroll{scrollbar-width:thin;scrollbar-color:#0f172a29 transparent;overscroll-behavior:contain;flex-direction:column;flex:1;gap:16px;min-height:0;display:flex;overflow:hidden auto}.sidebar-section{flex-direction:column;flex-shrink:0;gap:10px;width:100%;min-height:0;display:flex}.sidebar-scroll>.sidebar-section+.sidebar-section{border-top:1px solid var(--border);margin-top:4px;padding-top:14px}.sidebar.collapsed{align-items:center;padding:12px 8px}.sidebar-top{justify-content:space-between;align-items:center;gap:8px;display:flex}.brand{align-items:center;gap:12px;min-width:0;display:flex}.brand-mark{background:linear-gradient(135deg, var(--accent), var(--accent-2));border-radius:12px;flex-shrink:0;place-items:center;width:42px;height:42px;font-weight:700;display:grid}.brand span{color:var(--text-muted);font-size:12px;display:block}.top-bar{height:var(--topbar-height);border-bottom:1px solid var(--border);background:var(--surface-translucent);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);justify-content:space-between;align-items:center;padding:0 20px;display:flex}.top-bar-left{align-items:center;gap:12px;display:flex}.top-bar-title strong{font-size:15px;display:block}.top-bar-title span{color:var(--text-muted);font-size:12px}.top-bar-right{align-items:center;gap:12px;display:flex}.view-toggle{background:var(--bg-soft);border:1px solid var(--border);border-radius:999px;padding:4px;display:inline-flex}.toggle-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:999px;padding:8px 14px}.toggle-btn.active{color:var(--text);background:#7c5cff2e}.section-head{justify-content:space-between;align-items:center;gap:10px;min-width:0;margin-bottom:10px;display:flex}.section-head h3{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;margin:0;font-size:12px;overflow:hidden}.section-head .ghost-btn.small{white-space:nowrap;flex-shrink:0}.new-chat-btn{border:1px solid var(--border);background:var(--bg-elevated);width:100%;color:var(--text);cursor:pointer;border-radius:12px;align-items:center;gap:10px;margin-bottom:8px;padding:11px 12px;transition:background .15s,border-color .15s;display:flex}.new-chat-btn:hover{background:#7c5cff1a;border-color:#7c5cff47}.new-chat-icon{width:22px;height:22px;color:var(--accent);background:#7c5cff2e;border-radius:8px;place-items:center;font-size:16px;font-weight:600;display:grid}.chat-list{flex-direction:column;gap:8px;min-width:0;display:flex}.chat-item-wrap{align-items:stretch;gap:6px;min-width:0;display:flex}.chat-item-wrap.active .chat-item{background:#7c5cff1f;border-color:#7c5cff47}.chat-item{text-align:left;width:100%;color:inherit;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:12px;padding:10px 12px;transition:background .15s,border-color .15s}.chat-item:hover{background:var(--hover);border-color:var(--border)}.chat-delete{border:1px solid var(--border);width:28px;height:28px;color:var(--text-muted);cursor:pointer;z-index:2;background:0 0;border-radius:8px;flex-shrink:0;align-self:center;position:sticky;right:0}.chat-item-title{white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:500;display:block;overflow:hidden}.chat-item-meta{color:var(--text-muted);margin-top:2px;font-size:11px;display:block}.project-name{color:var(--text-muted);text-overflow:ellipsis;white-space:nowrap;margin:0;font-size:13px;overflow:hidden}.sidebar-section.compact{padding-bottom:4px}.project-summary .summary-stats{gap:6px;margin:0 0 12px;display:grid}.summary-row{justify-content:space-between;align-items:center;font-size:13px;display:flex}.summary-row dt{color:var(--text-muted);margin:0}.summary-row dd{margin:0;font-weight:600}.summary-row .status-ok{color:#0f766e}.summary-row .status-pending{color:var(--text-muted)}.storyline-snippet{color:var(--text-muted);margin:0;font-size:12px;line-height:1.5}.storyline-snippet.muted{font-style:italic}.rename-row{grid-template-columns:1fr auto;gap:8px;display:grid}.rename-row input{background:var(--bg-soft);border:1px solid var(--border);color:var(--text);border-radius:10px;padding:8px 10px}.theme-panel,.spec-panel{border-top:1px solid var(--border);padding-top:12px}.theme-panel.collapsible{padding-top:0}.theme-panel-toggle{width:100%;color:inherit;cursor:pointer;text-align:left;background:0 0;border:none;justify-content:space-between;align-items:center;gap:12px;padding:12px 0;display:flex}.theme-panel-toggle-copy h3{margin:0;font-size:14px}.theme-panel-toggle-copy span{color:var(--text-muted);margin-top:2px;font-size:12px;display:block}.theme-panel-chevron{color:var(--text-muted);flex-shrink:0;font-size:12px}.theme-panel-body{padding-bottom:8px}.theme-panel-actions{justify-content:flex-end;margin-bottom:10px;display:flex}.nav-menu-btn{border-radius:10px;width:38px;height:38px}.status-pill{border:1px solid var(--border);background:var(--bg-elevated);color:var(--text-muted);border-radius:999px;align-items:center;gap:8px;padding:6px 12px;font-size:12px;display:inline-flex}.status-dot{background:currentColor;border-radius:50%;width:7px;height:7px}.status-pill.online{color:#15803d;background:#22c55e14;border-color:#22c55e40}.status-pill.warning{color:#b45309;background:#f59e0b14;border-color:#f59e0b40}.status-pill.offline{color:#b91c1c;background:#ef444414;border-color:#ef444440}.theme-block{margin-bottom:14px}.theme-block.two-col{grid-template-columns:1fr 1fr;gap:10px;display:grid}.block-label{color:var(--text-muted);margin-bottom:8px;font-size:12px;display:block}.palette-grid{grid-template-columns:repeat(4,1fr);gap:8px;display:grid}.color-field{color:var(--text-muted);flex-direction:column;gap:4px;font-size:11px;display:flex}.color-field.wide{flex-direction:row;justify-content:space-between;align-items:center;margin-bottom:8px}.color-field input[type=color]{background:0 0;border:none;width:100%;height:32px;padding:0}.typo-row{grid-template-columns:1fr 1fr 64px;align-items:center;gap:8px;margin-bottom:8px;font-size:12px;display:grid}.typo-row select,.typo-row input{background:var(--bg-soft);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:6px 8px}.spec-toggle,.spec-editor textarea{width:100%}.spec-toggle{background:var(--bg-soft);border:1px solid var(--border);color:inherit;cursor:pointer;border-radius:10px;justify-content:space-between;align-items:center;padding:10px 12px;display:flex}.spec-editor textarea{background:var(--code-bg);color:var(--code-text);border:1px solid var(--border);border-radius:10px;margin-top:8px;padding:10px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px}.spec-actions{justify-content:flex-end;gap:8px;margin-top:8px;display:flex}.error-banner{color:#b91c1c;background:#ef44441f;border-bottom:1px solid #ef444440;justify-content:space-between;align-items:center;gap:12px;padding:10px 16px;display:flex}.error-actions{flex-shrink:0;gap:8px;display:flex}.error-banner button,.error-actions button{cursor:pointer;background:var(--hover);color:var(--text);border:0;border-radius:999px;padding:8px 12px}.empty-state-panel{text-align:center;color:var(--text-muted);flex:1;place-content:center;gap:12px;padding:40px;display:grid}.empty-state-panel h2{color:var(--text);margin:0}.empty-state-actions{justify-content:center;gap:12px;margin-top:8px;display:flex}.secondary-btn{border:1px solid var(--border);color:var(--text);cursor:pointer;background:0 0;border-radius:999px;padding:10px 16px}.workspace{flex:1;min-height:0;display:flex}.workspace.chat-mode,.workspace.preview-mode{height:calc(100vh - var(--topbar-height))}.chat-panel,.preview-panel{flex-direction:column;width:100%;min-height:0;display:flex}.chat-panel.full-width{max-width:980px;margin:0 auto}.chat-scroll{scrollbar-gutter:stable;flex:1;min-height:0;padding:24px;overflow:hidden auto}.chat-scroll.split-scroll{scrollbar-width:thin;scrollbar-color:#0f172a29 transparent;padding:12px 14px}.chat-scroll.split-scroll::-webkit-scrollbar{width:6px}.chat-scroll.split-scroll::-webkit-scrollbar-thumb{background:#0f172a24;border-radius:999px}.chat-scroll.drag-over{outline-offset:-8px;outline:2px dashed #7c5cff73}.welcome-hero{border:1px dashed var(--border);background:radial-gradient(circle at 100% 0,#7c5cff1f,#0000 45%);border-radius:18px;margin-bottom:18px;padding:28px}.welcome-badge{color:#1d4ed8;background:#4f8cff26;border-radius:999px;margin-bottom:12px;padding:6px 10px;font-size:12px;display:inline-block}.welcome-hero h2{margin:0 0 10px;font-size:30px}.welcome-hero p{color:var(--text-muted);margin:0 0 18px;line-height:1.6}.welcome-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:18px;display:grid}.welcome-card{background:var(--bg-elevated);border:1px solid var(--border);box-shadow:var(--shadow-sm);border-radius:14px;flex-direction:column;gap:6px;padding:14px;display:flex}.welcome-icon{font-size:20px}.welcome-card span:last-child{color:var(--text-muted);font-size:13px;line-height:1.4}.suggested-prompts{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.suggested-label{color:var(--text-muted);margin-right:4px;font-size:12px}.chip-btn{border:1px solid var(--border);background:var(--bg-elevated);color:var(--text);cursor:pointer;border-radius:999px;padding:8px 12px;font-size:12px}.bubble-row{gap:10px;margin-bottom:12px;display:flex}.chat-panel.split-mode .bubble-row{gap:8px;margin-bottom:10px}.bubble-row.user{flex-direction:row-reverse}.avatar{background:var(--bg-soft);width:36px;height:36px;color:var(--text-muted);border-radius:10px;flex-shrink:0;place-items:center;font-size:11px;display:grid}.chat-panel.split-mode .avatar{border-radius:8px;width:28px;height:28px;font-size:9px}.bubble{border:1px solid var(--border);background:var(--bg-soft);border-radius:16px;max-width:min(760px,88%);padding:12px 14px}.chat-panel.split-mode .bubble{border-radius:12px;flex:1;min-width:0;max-width:100%;padding:10px 12px}.bubble.user{background:#4f8cff1f;border-color:#4f8cff40}.bubble.pending{opacity:.72}.bubble-meta{color:var(--text-muted);align-items:center;gap:10px;margin-bottom:6px;font-size:11px;display:flex}.copy-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:0}.bubble-content{white-space:pre-wrap;font-size:14px;line-height:1.55}.chat-panel.split-mode .bubble-content{font-size:13px;line-height:1.5}.chat-panel.split-mode .bubble-meta{margin-bottom:4px;font-size:10px}.chat-panel.split-mode .agent-status-text{font-size:12px}.bubble.typing{align-items:center;gap:6px;min-width:200px;max-width:100%;display:flex}.agent-status{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.agent-status-text{color:var(--text-muted);font-size:13px;line-height:1.4}.typing-dot{background:var(--text-muted);border-radius:50%;width:8px;height:8px;animation:1.2s infinite bounce}.typing-dot:nth-child(2){animation-delay:.15s}.typing-dot:nth-child(3){animation-delay:.3s}@keyframes bounce{0%,80%,to{opacity:.4;transform:translateY(0)}40%{opacity:1;transform:translateY(-4px)}}.attachment-row{flex-wrap:wrap;flex-shrink:0;gap:8px;padding:0 24px 10px;display:flex}.chat-panel.split-mode .attachment-row,.composer.split-composer .attachment-row{padding:0 0 8px}.attachment-chip{background:var(--bg-soft);border:1px solid var(--border);border-radius:999px;align-items:center;gap:8px;padding:6px 10px;font-size:12px;display:inline-flex}.attachment-chip button{color:var(--text-muted);cursor:pointer;background:0 0;border:none}.bubble-row.clarify-row{align-items:flex-start}.clarify-form{background:var(--bg-elevated);min-width:0;max-width:min(760px,88%);box-shadow:var(--shadow-sm);border:1px solid #7c5cff47;border-radius:16px;flex-direction:column;flex:1;gap:12px;padding:14px;display:flex}.chat-panel.split-mode .clarify-form{max-width:100%}.clarify-form-head{justify-content:space-between;align-items:center;gap:10px;display:flex}.clarify-form-badge{background:var(--accent-soft);color:var(--accent);border-radius:999px;padding:4px 10px;font-size:12px;font-weight:600;display:inline-block}.clarify-form-progress{color:var(--text-muted);font-size:11px}.clarify-form-list{flex-direction:column;gap:12px;margin:0;padding:0;list-style:none;display:flex}.clarify-item{flex-direction:column;gap:6px;display:flex}.clarify-question{color:var(--text);font-size:13px;font-weight:500;line-height:1.4}.clarify-answer{resize:vertical;border:1px solid var(--border);background:var(--bg-soft);width:100%;color:var(--text);border-radius:10px;padding:8px 10px;font-size:13px;line-height:1.45}.clarify-answer:focus{background:var(--bg-elevated);border-color:#7c5cff80;outline:none}.clarify-form-actions{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.clarify-form-hint{color:var(--text-muted);font-size:11px}.upload-error{color:#b91c1c;background:#dc262614;border:1px solid #dc262638;border-radius:10px;margin:0 24px 10px;padding:8px 12px;font-size:12px;line-height:1.4}.composer.split-composer .upload-error,.upload-error.landing-attachments{margin:0 0 8px}.composer{border-top:1px solid var(--border);background:var(--surface-translucent);flex-shrink:0;grid-template-columns:auto 1fr auto;gap:10px;padding:16px 24px 24px;display:grid}.composer.split-composer{border-top:1px solid var(--border);background:var(--surface-translucent);flex-direction:column;padding:10px 12px 12px;display:flex}.composer.split-composer .composer-shell.split-shell{grid-template-columns:auto 1fr auto;align-items:end;gap:8px;display:grid}.composer.split-composer textarea{min-height:38px;max-height:120px;padding:10px 12px;font-size:13px;line-height:1.4}.composer.split-composer .send-btn{padding:10px 14px;font-size:13px}.composer.split-composer .attachment-row{padding:0 12px 8px}.composer textarea{resize:none;border:1px solid var(--border);background:var(--bg-soft);color:var(--text);border-radius:14px;padding:12px 14px}.preview-panel.full-screen{height:100%}.preview-panel.is-fullscreen{z-index:1000;background:var(--bg);position:fixed;inset:0}.preview-page-tabs{border-bottom:1px solid var(--border);gap:8px;padding:0 22px 12px;display:flex;overflow-x:auto}.page-tab{border:1px solid var(--border);background:var(--bg-soft);color:var(--text-muted);cursor:pointer;white-space:nowrap;border-radius:999px;padding:8px 14px}.page-tab.active{color:var(--text);background:#7c5cff1f;border-color:#7c5cff73}.preview-toolbar{border-bottom:1px solid var(--border);justify-content:space-between;gap:16px;padding:18px 22px 12px;display:flex}.preview-toolbar h1{margin:0 0 6px;font-size:22px}.preview-toolbar p{color:var(--text-muted);margin:0;font-size:14px}.preview-toolbar-actions{align-items:flex-start;gap:10px;display:flex}.preview-body{background:var(--bg);flex:1;min-height:0;overflow:hidden}.preview-frame{background:#fff;border:none;width:100%;height:100%;display:block;overflow:hidden}.storyline-bar{border-top:1px solid var(--border);color:var(--text-muted);align-items:baseline;gap:10px;padding:10px 16px;font-size:13px;display:flex}.preview-footer{min-height:var(--footer-height);border-top:1px solid var(--border);background:var(--surface-translucent);justify-content:space-between;align-items:center;gap:16px;padding:14px 18px;display:flex}.preview-footer-copy{flex-direction:column;gap:4px;display:flex}.preview-footer-copy span{color:var(--text-muted);font-size:13px}.build-validation-errors{color:#b42318;margin:8px 0 0;padding-left:18px;font-size:13px}.build-validation-errors li+li{margin-top:4px}.preview-footer-actions{flex-wrap:wrap;gap:10px;display:flex}.primary-btn,.ghost-btn,.icon-btn{cursor:pointer;border-radius:12px;transition:all .15s}.primary-btn{background:linear-gradient(135deg, var(--accent), var(--accent-2));color:#fff;border:none;padding:10px 16px;font-weight:600;box-shadow:0 4px 12px #7c5cff47}.primary-btn:hover:not(:disabled){filter:brightness(1.04);box-shadow:0 6px 16px #7c5cff57}.primary-btn:disabled{opacity:.45;cursor:not-allowed}.ghost-btn,.icon-btn.ghost{border:1px solid var(--border);color:var(--text);background:0 0;padding:10px 14px}.ghost-btn.small,.primary-btn.small{padding:6px 10px;font-size:12px}.icon-btn{border:1px solid var(--border);background:var(--bg-soft);width:42px;height:42px;color:var(--text)}.download-btn{align-items:center;text-decoration:none;display:inline-flex}@media (width<=900px){.app-shell,.app-shell.sidebar-collapsed{grid-template-columns:1fr}.app-shell.landing-shell.sidebar-collapsed{grid-template-columns:var(--sidebar-collapsed-width) 1fr}.sidebar{width:min(var(--sidebar-width), 88vw);z-index:30;position:fixed;inset:0 auto 0 0;transform:translate(0)}.sidebar.collapsed{width:min(var(--sidebar-width), 88vw);transform:translate(-100%)}.app-shell.landing-shell .sidebar.collapsed{width:var(--sidebar-collapsed-width);transform:translate(0)}.welcome-grid{grid-template-columns:1fr}.preview-footer{flex-direction:column;align-items:stretch}}.login-overlay{z-index:1000;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.login-backdrop{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0f172a73;position:absolute;inset:0}.login-popup{z-index:1;position:relative;box-shadow:0 24px 80px #00000073}.login-screen{background:radial-gradient(circle at top, #7c5cff2e, transparent 40%), var(--bg);place-items:center;min-height:100vh;padding:24px;display:grid}.login-card{border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-elevated);gap:14px;width:min(100%,420px);padding:28px;display:grid}.login-card h1{margin:0;font-size:1.4rem}.login-card p{color:var(--text-muted);margin:0 0 8px}.login-card label{gap:6px;font-size:.92rem;display:grid}.login-card input{border:1px solid var(--border);background:var(--bg-soft);width:100%;color:var(--text);border-radius:10px;padding:10px 12px}.login-error{color:var(--danger);font-size:.92rem}.app-shell.landing-shell{background:radial-gradient(circle at 50% -10%, #7c5cff2e, transparent 45%), radial-gradient(circle at 15% 20%, #4f8cff1a, transparent 35%), var(--bg)}.app-shell.landing-shell.sidebar-collapsed{grid-template-columns:var(--sidebar-collapsed-width) 1fr}.app-shell.landing-shell:not(.sidebar-collapsed){grid-template-columns:var(--sidebar-width) 1fr}.sidebar-collapsed-nav{flex-direction:column;flex:1;align-items:center;gap:10px;width:100%;min-height:0;display:flex}.chat-rail{flex-direction:column;align-items:center;gap:8px;width:100%;padding-bottom:8px;display:flex;overflow-y:auto}.chat-rail-item{border:1px solid var(--border);background:var(--bg-soft);width:44px;height:44px;color:var(--text);cursor:pointer;border-radius:12px;place-items:center;padding:0;display:grid;position:relative}.chat-rail-item:hover{background:#7c5cff1f;border-color:#7c5cff73}.chat-rail-item.active{border-color:var(--accent);background:#7c5cff33}.chat-rail-item.new-chat-rail{color:var(--accent);font-size:1.4rem;font-weight:600}.chat-rail-initials{letter-spacing:.02em;font-size:.72rem;font-weight:700}.chat-rail-dot{background:var(--success);border-radius:50%;width:7px;height:7px;position:absolute;bottom:4px;right:4px}.landing-nav-toggle{position:absolute;left:16px}.landing-top-left{flex:1;justify-content:center;position:relative}.landing-workspace{min-height:0;height:calc(100vh - var(--topbar-height));flex-direction:column;flex:1;display:flex;overflow:hidden}.landing-top-bar{background:0 0;border-bottom-color:#0000;justify-content:center}.landing-top-bar .top-bar-title{text-align:center}.split-workspace{min-height:0;height:calc(100vh - var(--topbar-height));border-top:1px solid var(--border);flex:1;grid-template-columns:minmax(300px,380px) minmax(0,1fr);display:grid;overflow:hidden}.workspace-stage{min-height:0;height:calc(100vh - var(--topbar-height));flex:1;grid-template-columns:1fr;display:grid;overflow:hidden}.workspace-stage.with-panel{grid-template-columns:minmax(300px,360px) minmax(0,1fr)}.workspace-stage.focus-only{grid-template-columns:1fr}.chat-column{border-right:1px solid var(--border);flex-direction:column;min-width:0;min-height:0;display:flex;overflow:hidden}.workspace-stage.focus-only .chat-column{border-right:none}.chat-column.focus-chat .chat-panel{width:100%;max-width:920px;margin:0 auto}.focus-chat-toolbar{border-bottom:1px solid var(--border);background:#7c5cff14;flex-shrink:0;justify-content:space-between;align-items:center;gap:12px;padding:10px 14px;display:flex}.focus-chat-toolbar span{color:var(--text-muted);font-size:12px;display:block}.focus-chat-toolbar-actions{flex-shrink:0;align-items:center;gap:8px;display:flex}.focus-exit-row{flex-shrink:0;padding:0 14px 8px}.chat-composer-sticky{border-top:1px solid var(--border);background:var(--surface-translucent);flex-shrink:0;padding-top:8px}.chat-panel.focus-mode .chat-scroll{padding-top:18px}.agent-step-timeline{gap:10px;display:grid}.agent-step-item{grid-template-columns:14px 1fr;align-items:start;gap:10px;display:grid}.agent-step-marker{background:#0f172a33;border-radius:50%;width:10px;height:10px;margin-top:4px}.agent-step-item{position:relative}.agent-step-item:not(:last-child) .agent-step-marker:after{content:"";background:var(--border);width:2px;height:calc(100% - 6px);position:absolute;top:14px;left:4px}.agent-step-item.active .agent-step-marker{background:var(--accent);animation:1.4s ease-in-out infinite step-pulse;box-shadow:0 0 0 4px #7c5cff2e}@keyframes step-pulse{0%,to{box-shadow:0 0 0 3px #7c5cff2e}50%{box-shadow:0 0 0 6px #7c5cff14}}.agent-step-item.done .agent-step-marker{background:var(--success)}.agent-step-dots{gap:2px;margin-left:2px;display:inline-flex}.agent-step-dots span{background:var(--accent);border-radius:50%;width:3px;height:3px;animation:1.2s infinite bounce}.agent-step-dots span:nth-child(2){animation-delay:.15s}.agent-step-dots span:nth-child(3){animation-delay:.3s}.agent-step-copy strong{align-items:center;gap:3px;font-size:13px;font-weight:600;display:inline-flex}.agent-step-copy span{color:var(--text-muted);margin-top:2px;font-size:12px;line-height:1.45;display:block}.landing-stage-scroll{scrollbar-width:thin;scrollbar-color:#0f172a29 transparent;flex:1;justify-content:center;align-items:flex-start;min-height:0;padding:12px 20px 0;display:flex;overflow:hidden auto}.chat-panel.landing-mode{flex:1;width:100%;max-width:none;min-height:0;margin:0;overflow:hidden}.landing-stage{flex-direction:column;width:100%;max-width:760px;height:100%;min-height:0;margin:0 auto;padding:0 24px;display:flex}.landing-stage.drag-over{outline-offset:-6px;border-radius:20px;outline:2px dashed #7c5cff73}.landing-stage-content{flex:1;justify-content:center;align-items:center;min-height:0;padding:12px 0 8px;display:flex;overflow:hidden}.landing-stage-composer{flex-shrink:0;width:100%;padding-bottom:28px}.landing-attachments{padding:0 0 8px}.chat-panel.split-mode{border-right:1px solid var(--border);background:#ffffff8c;flex-direction:column;height:100%;min-height:0;display:flex;overflow:hidden}.chat-panel-head{border-bottom:1px solid var(--border);flex-shrink:0;margin:0;padding:12px 14px}.chat-panel-head strong{font-size:13px;font-weight:600;display:block}.chat-panel-head span{color:var(--text-muted);font-size:11px}.landing-hero{text-align:center;width:100%;position:relative;overflow:visible}.landing-hero-inner{flex-direction:column;align-items:center;display:flex;position:relative}.landing-glow{pointer-events:none;background:radial-gradient(circle,#7c5cff33,#0000 70%);width:360px;height:360px;position:absolute;top:-80px;left:50%;transform:translate(-50%)}.landing-hero .welcome-badge{margin-bottom:16px}.landing-title{letter-spacing:-.03em;text-align:center;max-width:none;margin:0 0 10px;font-size:clamp(1.75rem,3.2vw,2.35rem);line-height:1.12;position:relative}.landing-subtitle{color:var(--text-muted);text-align:center;max-width:46ch;margin:0 0 20px;font-size:15px;line-height:1.55;position:relative}.landing-suggestions{gap:8px;width:100%;max-width:560px;display:grid}.landing-suggestion-card{text-align:left;border:1px solid var(--border);background:var(--bg-elevated);width:100%;color:var(--text);cursor:pointer;border-radius:14px;align-items:flex-start;gap:10px;padding:12px 14px;font-size:13px;line-height:1.45;transition:border-color .15s,background .15s;display:flex}.landing-suggestion-card:hover{background:#7c5cff14;border-color:#7c5cff59}.landing-suggestion-icon{color:#6d28d9;background:#7c5cff24;border-radius:8px;flex-shrink:0;place-items:center;width:22px;height:22px;font-size:12px;display:grid}.landing-composer{background:0 0;border-top:none;padding:0;display:block}.landing-composer .composer-shell.landing-shell{background:var(--bg-elevated);box-shadow:var(--shadow-md);border:1px solid #7c5cff47;border-radius:20px;grid-template-columns:auto 1fr auto;align-items:end;gap:10px;padding:8px 10px 8px 12px;display:grid}.landing-composer textarea{resize:none;background:0 0;border:none;min-height:100px;max-height:180px;padding:12px 4px;font-size:14px;line-height:1.5}.landing-composer .send-btn{white-space:nowrap;padding:10px 16px;font-size:13px}.landing-composer-hint{text-align:center;color:var(--text-muted);margin:8px 0 0;font-size:11px}.workspace-panel{background:linear-gradient(180deg, #fff, var(--bg));flex-direction:column;min-width:0;height:100%;min-height:0;display:flex;overflow:hidden}.workspace-icon-bar{border-bottom:1px solid var(--border);background:var(--surface-translucent);flex-shrink:0;justify-content:space-between;align-items:center;gap:10px;padding:8px 10px;display:flex}.workspace-icon-group{align-items:center;gap:6px;display:flex}.workspace-icon-btn{width:36px;height:36px;color:var(--text-muted);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:10px;place-items:center;display:grid;position:relative}.workspace-icon-btn.active{color:var(--text);background:#7c5cff1f;border-color:#7c5cff59}.workspace-export-bar{border-top:1px solid var(--border);background:var(--surface-translucent);flex-shrink:0;justify-content:space-between;align-items:center;gap:16px;padding:14px 16px;display:flex}.workspace-export-bar.sticky-export{z-index:5;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:sticky;bottom:0}.workspace-tab-bar{border-bottom:1px solid var(--border);background:#ffffffb8;justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;display:flex}.workspace-tabs{gap:6px;display:flex;overflow-x:auto}.workspace-tab{color:var(--text-muted);cursor:pointer;white-space:nowrap;background:0 0;border:1px solid #0000;border-radius:12px;align-items:center;gap:8px;padding:10px 14px;font-size:13px;display:inline-flex}.workspace-tab.active{color:var(--text);background:#7c5cff1f;border-color:#7c5cff59}.workspace-tab-icon{opacity:.8}.tab-live-dot{background:var(--success);border-radius:50%;width:7px;height:7px;box-shadow:0 0 0 4px #22c55e1f}.workspace-tab-actions{flex-shrink:0;gap:8px;display:flex}.workspace-tab-body{flex-direction:column;flex:1;min-height:0;display:flex;overflow:hidden}.requirements-panel,.data-model-panel{scrollbar-width:thin;scrollbar-color:#0f172a29 transparent;flex:1;min-height:0;overflow:hidden auto}.preview-panel.embedded{flex-direction:column;flex:1;min-height:0;display:flex;overflow:hidden}.workspace-stage.preview-fullscreen,.app-shell.preview-fullscreen-shell{grid-template-columns:1fr!important}.app-shell.preview-fullscreen-shell .sidebar{display:none}.app-shell.preview-fullscreen-shell .main-column{width:100%;min-width:0}.app-shell.preview-fullscreen-shell .workspace-stage.with-panel{grid-template-columns:1fr!important}.app-shell.preview-fullscreen-shell .workspace-stage.with-panel .chat-column{display:none}.app-shell.preview-fullscreen-shell .workspace-panel{width:100%;min-width:0}.workspace-export-bar.hidden-in-fullscreen{display:none}.preview-fullscreen .workspace-panel{border-left:none;width:100%}.preview-fullscreen .workspace-tab-body{flex-direction:column;flex:1;min-height:0;display:flex}.preview-fullscreen .preview-panel.embedded{flex:1;height:100%;min-height:0}.preview-fullscreen .workspace-icon-bar.fullscreen-active{background:var(--surface-translucent)}.workspace-fullscreen-label{color:var(--text);padding:0 6px;font-size:13px;font-weight:600}.preview-exit-fullscreen-btn{white-space:nowrap}.preview-device-select select{border:1px solid var(--border);background:var(--bg-soft);height:36px;color:var(--text);cursor:pointer;border-radius:10px;padding:0 10px;font-size:12px}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.preview-panel .preview-body{background:#eceff4;flex:1;justify-content:stretch;align-items:stretch;min-height:0;padding:0;display:flex;overflow:hidden}.preview-panel.preview-panel-fullscreen .preview-body{background:var(--bg);scrollbar-width:thin;scrollbar-color:#0f172a33 transparent;justify-content:flex-start;align-items:flex-start;overflow:auto}.preview-frame-host{width:100%;min-width:0;height:100%;min-height:0;box-shadow:none;background:0 0;border-radius:0;flex:1;display:flex;position:relative;overflow:hidden}.preview-panel.viewport-mobile .preview-body{background:var(--bg-soft)}.preview-panel .preview-frame{background:#fff;border:0;flex:1;width:100%;height:100%;min-height:480px;display:block}.preview-panel.embedded .preview-body{flex:1;min-height:0;padding:0}.preview-panel.embedded .storyline-bar.compact{flex-shrink:0}.preview-panel.preview-panel-fullscreen.embedded{height:100%}.preview-panel.preview-panel-fullscreen .storyline-bar{display:none}.workspace-export-bar{border-top:1px solid var(--border);background:var(--surface-translucent);justify-content:space-between;align-items:center;gap:16px;padding:14px 16px;display:flex}.workspace-export-copy{flex-direction:column;gap:4px;min-width:0;display:flex}.workspace-export-copy span{color:var(--text-muted);font-size:13px}.workspace-export-actions{flex-wrap:wrap;flex-shrink:0;gap:10px;display:flex}.fullscreen-frame{flex-direction:column;flex:1;min-height:0;display:flex}.fullscreen-frame.is-fullscreen{z-index:1100;background:var(--bg);position:fixed;inset:0}.fullscreen-topbar{border-bottom:1px solid var(--border);background:var(--surface-translucent);justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.fullscreen-frame.is-fullscreen .workspace-tab-body{flex:1}.panel-empty-state{text-align:center;place-content:center;gap:10px;height:100%;min-height:280px;padding:32px;display:grid}.panel-empty-icon{margin-bottom:4px;font-size:34px}.panel-empty-state h3{margin:0;font-size:20px}.panel-empty-state p{max-width:46ch;color:var(--text-muted);margin:0 auto;font-size:14px;line-height:1.6}.requirements-panel{gap:14px;padding:16px;display:grid}.req-hero-card,.req-section-card,.model-header-card{border:1px solid var(--border);background:var(--bg-elevated);box-shadow:var(--shadow-sm);border-radius:16px;padding:18px}.req-badge{color:#1d4ed8;background:#4f8cff1f;border-radius:999px;padding:5px 10px;font-size:11px;display:inline-block}.req-toolbar{justify-content:space-between;align-items:center;gap:12px;display:flex}.req-toolbar-actions{gap:8px;display:flex}.req-edit-title,.req-edit-input,.req-edit-textarea,.req-section-textarea{border:1px solid var(--border);background:var(--bg-elevated);width:100%;color:inherit;font:inherit;resize:vertical;border-radius:10px;padding:10px 12px}.req-edit-title{font-size:22px;font-weight:600}.req-section-textarea{min-height:96px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;line-height:1.5}.req-hero-card h2,.model-header-card h2{margin:0;font-size:22px}.req-meta-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:16px;display:grid}.req-meta-label{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:6px;font-size:11px;display:block}.req-meta-grid p,.req-storyline p,.model-header-card>div>p{color:var(--text);margin:0;line-height:1.55}.req-storyline{border-top:1px solid var(--border);margin-top:16px;padding-top:16px}.req-sections{gap:12px;display:grid}.req-section-head{justify-content:space-between;align-items:center;margin-bottom:10px;display:flex}.req-section-head h3{margin:0;font-size:15px}.req-count{color:var(--text-muted);background:var(--bg-soft);border-radius:999px;padding:4px 8px;font-size:12px}.req-list{gap:8px;margin:0;padding-left:18px;display:grid}.req-list li{color:var(--text);font-size:14px;line-height:1.45}.req-empty{color:var(--text-muted);margin:0;font-size:13px;line-height:1.5}.data-model-panel{gap:14px;padding:16px;display:grid}.model-header-card{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.model-stats{grid-template-columns:repeat(2,minmax(80px,1fr));gap:10px;display:grid}.model-stats div{border:1px solid var(--border);background:var(--bg-soft);border-radius:12px;gap:2px;padding:10px 12px;display:grid}.model-stats strong{font-size:18px}.model-stats span{color:var(--text-muted);font-size:11px}.model-relationships-strip{border:1px solid var(--border);background:var(--bg-elevated);border-radius:16px;padding:16px}.model-relationships-strip h3,.model-measures-section h3{margin:0 0 12px;font-size:15px}.relationship-flow{flex-wrap:wrap;gap:10px;display:flex}.relationship-pill{border:1px solid var(--border);background:var(--bg-soft);border-radius:999px;align-items:center;gap:8px;padding:8px 12px;font-size:12px;display:inline-flex}.relationship-from,.relationship-to{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.relationship-arrow{color:var(--accent-2)}.relationship-card{color:var(--text-muted)}.model-table-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px;display:grid}.model-table-card{border:1px solid var(--border);background:var(--bg-elevated);border-radius:16px;overflow:hidden}.model-table-card.is-fact{border-color:#4f8cff47}.model-table-card.is-dimension{border-color:#22c55e38}.model-table-card header{border-bottom:1px solid var(--border);justify-content:space-between;gap:10px;padding:14px 16px 10px;display:flex}.table-category{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:4px;font-size:10px;display:inline-block}.model-table-card h4{margin:0;font-size:16px}.table-column-count{color:var(--text-muted);font-size:12px}.table-description{color:var(--text-muted);margin:0;padding:10px 16px 0;font-size:13px;line-height:1.45}.table-columns{margin:0;padding:10px 0 0;list-style:none}.table-columns li{border-top:1px solid var(--hover);justify-content:space-between;gap:12px;padding:8px 16px;font-size:13px;display:flex}.column-name{align-items:center;gap:6px;display:inline-flex}.column-key{color:#6d28d9;background:#7c5cff2e;border-radius:6px;padding:2px 5px;font-size:10px}.column-meta{color:var(--text-muted);font-size:12px}.model-measures-section{border:1px solid var(--border);background:var(--bg-elevated);border-radius:16px;padding:16px}.measure-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px;display:grid}.measure-card{border:1px solid var(--border);background:var(--bg-soft);border-radius:14px;gap:8px;padding:14px;display:grid}.measure-head{justify-content:space-between;align-items:center;gap:10px;display:flex}.measure-table{color:var(--text-muted);font-size:12px}.measure-formula{background:var(--code-bg);color:var(--code-text);white-space:pre-wrap;word-break:break-word;border-radius:10px;padding:10px 12px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;display:block}.measure-format{color:var(--text-muted);font-size:12px}.preview-panel.embedded{flex-direction:column;height:100%;min-height:0;display:flex}.preview-panel.embedded .preview-page-tabs{border-bottom:1px solid var(--border);padding:10px 14px}.preview-panel.embedded .preview-body{flex:1;min-height:320px}.storyline-bar.compact{padding:8px 14px;font-size:12px}.ghost-btn.small{padding:8px 12px;font-size:12px}@media (width<=1100px){.split-workspace{grid-template-rows:minmax(240px,34vh) minmax(0,1fr);grid-template-columns:1fr}.chat-panel.split-mode{border-right:none;border-bottom:1px solid var(--border)}.landing-stage{max-width:100%;padding:0 16px}.landing-suggestions{max-width:100%}.req-meta-grid,.model-header-card{flex-direction:column;grid-template-columns:1fr}.workspace-export-bar{flex-direction:column;align-items:stretch}}@media (height<=760px){.landing-title{font-size:1.65rem}.landing-subtitle{margin-bottom:14px;font-size:14px}.landing-suggestions{gap:6px}.landing-suggestion-card{padding:10px 12px;font-size:12px}.landing-stage-composer{padding-bottom:16px}}.loader.small{border-width:2px;width:16px;height:16px}@keyframes shimmer{0%{background-position:-360px 0}to{background-position:360px 0}}.skeleton-line,.skeleton-chip,.skeleton-tile,.skeleton-block{background:linear-gradient(90deg, var(--bg-soft) 25%, #e2e7f0 37%, var(--bg-soft) 63%);background-size:720px 100%;border-radius:8px;animation:1.5s infinite shimmer;display:block}.skeleton-line{width:100%;height:12px;margin-bottom:10px}.skeleton-line.lg{width:60%;height:20px}.skeleton-line.md{width:80%;height:14px}.skeleton-line.sm{width:40%;height:10px}.skeleton-line:last-child{margin-bottom:0}.skeleton-card{border:1px solid var(--border);background:var(--bg-elevated);box-shadow:var(--shadow-sm);border-radius:16px;margin-bottom:14px;padding:18px}.stories-skeleton{padding:16px}.stories-loading-banner,.stories-inline-status{color:var(--text-muted);align-items:center;gap:10px;font-size:13px;display:inline-flex}.stories-loading-banner{background:var(--accent-soft);color:var(--accent);border-radius:12px;margin-bottom:4px;padding:10px 12px;font-weight:500}.stories-inline-status{color:var(--accent);margin-left:auto}.preview-loading{flex-direction:column;flex:1;justify-content:center;align-items:center;gap:18px;min-height:0;padding:28px;display:flex}.preview-loading-frame{border:1px solid var(--border);background:var(--bg-elevated);width:min(100%,720px);box-shadow:var(--shadow-md);border-radius:16px;flex-direction:column;gap:16px;padding:18px;display:flex}.preview-loading-topbar{justify-content:space-between;align-items:center;display:flex}.skeleton-chip{border-radius:999px;width:96px;height:28px}.preview-loading-kpis{grid-template-columns:repeat(4,1fr);gap:12px;display:grid}.skeleton-tile{border-radius:12px;height:74px}.preview-loading-charts{grid-template-columns:1fr 1fr;gap:12px;display:grid}.skeleton-block{border-radius:12px;height:180px}.preview-loading-status{color:var(--text-muted);align-items:center;gap:10px;font-size:14px;display:inline-flex}.preview-frame-overlay{background:var(--bg-elevated);color:var(--text-muted);z-index:2;pointer-events:none;justify-content:center;align-items:center;gap:10px;font-size:14px;display:flex;position:absolute;inset:0}@media (width<=900px){.preview-loading-kpis{grid-template-columns:repeat(2,1fr)}.preview-loading-charts{grid-template-columns:1fr}}