:root{--bg: #eef1ed;--surface: #fbfcf8;--surface-soft: #f4f6f2;--surface-strong: #e7ece6;--ink: #17212b;--muted: #627181;--line: #cbd4c9;--line-strong: #aebcaf;--brand: #1f5d75;--brand-strong: #17465b;--accent: #b66b37;--accent-soft: #f3e3d2;--success: #1f6b4d;--success-soft: #dceee4;--warning: #8a5b12;--warning-soft: #f5e9cd;--danger: #9b2424;--danger-soft: #fff0ed;--sidebar: #20312f;--sidebar-soft: #2d4641;--radius: 8px;--shadow: 0 18px 42px rgba(23, 33, 43, .11);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body{min-width:320px;margin:0;background:var(--bg)}button,.formatButton,input,select,textarea{font:inherit}h1,h2,h3,p{margin:0}h1{font-size:28px;line-height:1.12;letter-spacing:0}h2{font-size:20px;line-height:1.2;letter-spacing:0}h3{margin-bottom:10px;font-size:14px;line-height:1.2}button,.formatButton,.drop,.artifact,.check,.status,.banner,.sidebarAction,.workspaceTabs button{display:flex;align-items:center;gap:8px}button{min-height:40px;justify-content:center;border:0;border-radius:6px;padding:0 14px;color:#fff;background:var(--brand);cursor:pointer}button:hover:not(:disabled){background:var(--brand-strong)}button.secondary{color:var(--ink);background:var(--surface-strong);border:1px solid var(--line)}button.secondary:hover:not(:disabled){background:#dce4db}button:disabled,.disabled{opacity:.52;cursor:not-allowed}label{display:grid;gap:6px;color:#425263;font-size:13px}input,select,textarea{width:100%;min-height:36px;border:1px solid var(--line);border-radius:6px;padding:8px 10px;background:#fff;color:var(--ink)}input:focus,select:focus,textarea:focus{outline:2px solid rgba(31,93,117,.2);border-color:var(--brand)}textarea{min-height:108px;resize:vertical}.programLauncher{min-height:100vh;display:grid;grid-template-columns:minmax(320px,.78fr) minmax(420px,1fr);gap:28px;align-items:start;padding:42px;background:var(--bg)}.launcherIntro{min-height:calc(100vh - 84px);display:grid;align-content:center;gap:32px;padding:28px;color:#f7faf6;background:linear-gradient(145deg,#1f302e,#173244);border:1px solid #142120;border-radius:var(--radius)}.launcherIntro h1{max-width:520px;font-size:42px;line-height:1.02}.launcherIntro p{max-width:560px;margin-top:14px;color:#d2ddd6;font-size:16px;line-height:1.55}.launcherBrand{align-self:start}.engineGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;align-content:start}.engineTile{position:relative;min-height:430px;height:auto;display:grid;align-content:start;justify-items:start;gap:9px;padding:22px;color:var(--ink);text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}.engineTile:hover{border-color:var(--brand);box-shadow:var(--shadow)}.engineTile:hover:not(:disabled){color:var(--ink);background:var(--surface)}.engineTileIcon{width:48px;height:48px;display:grid;place-items:center;color:#fff;background:var(--brand);border-radius:var(--radius)}.engineTile strong{font-size:20px}.engineDriver,.engineTile p{color:var(--muted);line-height:1.45}.engineTile p{max-width:560px;margin-top:2px}.engineProfile{padding:5px 8px;border-radius:6px;color:#4d381a;background:var(--accent-soft);font-size:12px;font-weight:800}.engineDecisionList{width:100%;display:grid;gap:8px;margin:2px 0 0}.engineDecisionList div{display:grid;gap:3px;padding:9px 10px;border:1px solid #d8dfd5;border-radius:6px;background:var(--surface-soft)}.engineDecisionList dt,.engineDecisionList dd{margin:0}.engineDecisionList dt{color:var(--brand);font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:0}.engineDecisionList dd{color:#485868;font-size:13px;line-height:1.35}.engineCapabilities{display:flex;flex-wrap:wrap;gap:6px;margin-top:2px}.engineCapabilities span{padding:4px 7px;border-radius:999px;color:#17465b;background:#e8f1f3;font-size:11px;font-weight:800}.engineTile em{display:flex;align-items:center;gap:6px;margin-top:8px;color:var(--brand);font-style:normal;font-weight:700}.engineTileStatus{position:absolute;top:18px;right:18px;max-width:calc(100% - 96px);padding:5px 8px;color:var(--ink);background:#e8eef0;border-radius:6px;font-size:12px;font-weight:700;text-align:right}.engineTileStatus.ready,.engineBadge.ready{color:#154135;background:var(--success-soft)}.engineTileStatus.setup,.engineBadge.setup{color:#5c3d18;background:var(--warning-soft)}.engineTileStatus.windows,.engineBadge.windows{color:#29345f;background:#e2e8f4}.engineTileStatus.planned,.engineBadge.planned{color:#484f28;background:#edf0cd}.engineEnvironment{padding:6px 8px;border-radius:6px;color:var(--brand);background:#e8f1f3;font-size:12px;font-weight:700}.engineSetup{color:#5f6f7e;font-size:12px;line-height:1.4}.appFrame{min-height:100vh;display:grid;grid-template-columns:264px minmax(0,1fr);background:var(--bg)}.workspaceSidebar{position:sticky;top:0;align-self:start;min-height:100vh;display:flex;flex-direction:column;gap:16px;padding:16px;color:#f7faf6;background:var(--sidebar);border-right:1px solid #12201e}.brandLockup{display:flex;align-items:center;gap:10px;min-height:44px}.brandLockup strong,.brandLockup span,.currentProject strong,.currentProject span,.sidebarProjectsHeader strong,.sidebarProjectsHeader span,.providerStrip strong,.providerStrip span,.briefSummary strong,.briefSummary span{display:block}.brandLockup strong{font-size:17px}.brandLockup span,.currentProject span,.sidebarProjectsHeader span{margin-top:3px;color:#b7c3ba;font-size:12px}.engineBadge{display:grid;gap:4px;padding:10px 12px;border-radius:var(--radius)}.engineBadge span{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:0}.engineBadge strong{color:var(--ink);font-size:12px;line-height:1.35}.engineBadge small{color:#314154;font-size:11px;line-height:1.35}.sidebarActions{display:grid;gap:8px}.sidebarAction{width:100%;min-height:42px;justify-content:flex-start;padding:0 12px;color:#f7faf6;background:var(--sidebar-soft);border:1px solid #4f665e}.sidebarAction:hover:not(:disabled){background:#39554f}.sidebarAction.primaryAction{background:var(--accent);border-color:#c48145}.sidebarAction.active{color:var(--ink);background:#f8f9f4;border-color:#f8f9f4}.sidebarAction input,.drop input{display:none}.uploadAction{cursor:pointer}.currentProject{padding:12px;border:1px solid #4f665e;border-radius:var(--radius);background:#1c2a28}.currentProject strong{margin-top:5px;overflow-wrap:anywhere;font-size:14px}.sidebarProjects{min-height:0;display:grid;grid-template-rows:auto minmax(0,1fr);gap:10px;flex:1}.sidebarProjectsHeader,.panelSubhead,.topbar,.topbarControls{display:flex;align-items:center}.sidebarProjectsHeader,.topbar{justify-content:space-between}.topbar,.topbarControls{gap:14px}.iconButton{width:34px;min-height:34px;padding:0;color:#f7faf6;background:var(--sidebar-soft);border:1px solid #4f665e}.iconButton.light{color:var(--ink);background:var(--surface-strong);border-color:var(--line)}.projectList{min-height:0;display:grid;align-content:start;gap:8px;overflow:auto;padding-right:2px}.projectItem{min-height:72px;height:auto;display:grid;align-content:center;gap:6px;justify-items:stretch;padding:10px;color:var(--ink);text-align:left;background:#f8f9f4;border:1px solid var(--line)}.projectItem.active{border-color:var(--accent);box-shadow:inset 3px 0 0 var(--accent)}.projectItemTop{display:flex;align-items:center;justify-content:space-between;gap:8px}.projectItemTop strong{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.projectItemTop em,.projectTable em{flex:0 0 auto;padding:2px 6px;border-radius:6px;color:var(--brand);background:#e8f1f3;font-size:11px;font-style:normal}.projectItem>span:last-child{color:var(--muted);font-size:12px}.emptyProjects{min-height:54px;display:flex;align-items:center;justify-content:center;border:1px dashed #4f665e;border-radius:var(--radius);color:#b7c3ba}.shell{min-width:0;min-height:100vh;padding:18px}.topbar{margin-bottom:14px}.topbar p{margin-top:3px;color:var(--muted)}.switchEngineButton{color:var(--ink);background:var(--surface-strong);border:1px solid var(--line)}.status{min-height:38px;padding:0 12px;border:1px solid var(--line);background:var(--surface);border-radius:6px;color:#415161}.status span{max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.workflowBlock{display:grid;grid-template-columns:minmax(300px,1.2fr) minmax(250px,.8fr);gap:12px;margin-bottom:12px}.nextStepCard{min-height:116px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:center;padding:16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:0 10px 26px #17212b12}.nextStepCard span,.sectionIntro>div>span,.panelSubhead span{color:var(--muted);font-size:12px}.nextStepCard>div>span,.sectionIntro>div>span{display:block;margin-bottom:5px;color:var(--accent);font-weight:800;text-transform:uppercase;letter-spacing:0}.nextStepCard strong{display:block;font-size:20px;line-height:1.2}.nextStepCard p,.sectionIntro p{margin-top:6px;color:var(--muted);line-height:1.45}.readinessRow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.metricCard{min-height:76px;display:grid;align-content:center;gap:5px;padding:12px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.metricCard strong{overflow-wrap:anywhere;font-size:18px;line-height:1.1}.metricCard span{color:var(--muted);font-size:12px}.metricCard.good{border-color:#b7d2c4;background:var(--success-soft)}.metricCard.warn{border-color:#e1c783;background:var(--warning-soft)}.metricCard.muted{background:var(--surface-soft)}.workspaceTabs{grid-column:1 / -1;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px}.workspaceTabs button{min-width:0;min-height:44px;justify-content:center;color:var(--ink);background:var(--surface);border:1px solid var(--line)}.workspaceTabs button.active{color:#fff;background:var(--brand);border-color:var(--brand)}.workspaceTabs button em{min-width:20px;min-height:20px;display:grid;place-items:center;padding:0 5px;border-radius:999px;color:var(--brand);background:#e8f1f3;font-size:11px;font-style:normal;font-weight:800}.workspaceTabs button.active em{color:var(--brand);background:#fff}.banner{margin-bottom:12px;padding:11px 12px;border-radius:6px}.error{border:1px solid #ef9a9a;background:var(--danger-soft);color:var(--danger)}.info{align-items:flex-start;border:1px solid #9bb8c9;background:#f0f7fa;color:#264356}.info>span{flex:1;line-height:1.45}.readinessChecklist{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.readinessChecklist span,.qualityChecks span,.outputPackage strong{border-radius:6px;font-size:11px;font-weight:800}.readinessChecklist span{padding:4px 7px}.readinessChecklist .ok{color:#154135;background:var(--success-soft)}.readinessChecklist .pending{color:#5c3d18;background:var(--warning-soft)}.info code{padding:3px 6px;border-radius:5px;color:var(--ink);background:#fff;border:1px solid #c7d8e1;font-size:12px}.workspaceBody{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,360px);gap:14px;align-items:start}.workspaceMainPanel{min-width:0}.panel{min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px}.workspacePanel{min-height:600px}.sectionIntro{display:flex;align-items:flex-start;gap:12px;margin-bottom:16px}.sectionIcon{width:42px;height:42px;display:grid;flex:0 0 auto;place-items:center;color:#fff;background:var(--brand);border-radius:var(--radius)}.projectActionGrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.drop{min-height:82px;justify-content:center;border:1px dashed #768799;border-radius:var(--radius);background:var(--surface-soft);color:var(--ink);cursor:pointer}.actionDrop{min-height:40px;border-style:solid}.metricRow,.generateSummary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.projectMetrics,.generateSummary{margin-top:14px}.outputPackage{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:12px;padding:10px;border:1px solid #c7d8e1;border-radius:var(--radius);background:#f0f7fa}.outputPackage span{color:#264356;font-size:12px;font-weight:800;text-transform:uppercase}.outputPackage strong{padding:5px 8px;color:#17465b;background:#fff;border:1px solid #c7d8e1}.panelSubhead{justify-content:space-between;gap:10px;margin:18px 0 10px}.panelSubhead strong{display:block;font-size:14px}.panelSubhead.spaced{padding-top:2px}.projectTable{display:grid;gap:8px}.projectTable button{min-height:62px;display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:10px;align-items:center;justify-items:start;color:var(--ink);text-align:left;background:#fff;border:1px solid var(--line)}.projectTable button:hover:not(:disabled),.projectTable button.active{background:#f6faf7;border-color:var(--brand)}.projectTable strong,.projectTable small{display:block}.projectTable strong{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.projectTable small{color:var(--muted);font-size:12px}.emptyState{min-height:180px;display:grid;place-items:center;align-content:center;gap:8px;padding:22px;border:1px dashed var(--line-strong);border-radius:var(--radius);color:var(--muted);text-align:center;background:var(--surface-soft)}.emptyState strong{color:var(--ink)}.providerStrip{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:52px;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius);background:#edf3f5}.providerStrip span,.briefSummary span{margin-top:3px;color:var(--muted);font-size:12px}.aiBrief{display:grid;gap:12px}.briefGrid,.formGrid,.previewEditor{display:grid;gap:10px;padding:12px;border:1px solid #d6ddcf;border-radius:var(--radius);background:var(--surface-soft)}.briefGrid,.formGrid{grid-template-columns:repeat(4,minmax(0,1fr))}.briefGrid .wide,.promptBox,.previewEditor .wide{grid-column:1 / -1}.promptBox textarea{min-height:120px}.aiActions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.briefSummary{padding:12px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.briefSummary p{margin-top:8px;color:#435160;font-size:13px;line-height:1.4}.exampleGrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.exampleButton{min-height:58px;height:auto;display:grid;align-content:center;justify-items:start;gap:2px;padding:8px 10px;color:var(--ink);text-align:left;background:#fff;border:1px solid #d6ddcf}.exampleButton strong{font-size:12px}.exampleButton span{color:var(--muted);font-size:11px}.previewEditor{grid-template-columns:repeat(6,minmax(0,1fr))}.previewEditor input[type=color]{min-height:40px;padding:2px}.check{grid-template-columns:auto 1fr;color:var(--ink)}.check input{width:17px;min-height:17px}.layerList{max-height:560px;overflow:auto;border-top:1px solid #dce1d6}.layerList.expanded{max-height:640px}.layerRow{display:grid;grid-template-columns:minmax(0,1fr) minmax(160px,220px);gap:10px;align-items:center;padding:9px 0;border-bottom:1px solid #dce1d6}.layerRow span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.twoCols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:14px}.viewBox{padding:12px;border:1px solid #d6ddcf;border-radius:var(--radius);background:var(--surface-soft)}.viewRow{min-height:34px;display:grid;grid-template-columns:1fr;gap:8px;align-items:center;padding:8px 0;border-bottom:1px solid #dce1d6}.viewRow:last-child{border-bottom:0}.mini{min-height:30px;padding:4px 6px}.smallCheck{min-height:26px;font-size:12px}.actions{display:flex;justify-content:flex-end;gap:10px;margin-top:16px}.actions.leftActions{justify-content:flex-start}.actions .secondary{width:auto}.stickyActions{position:sticky;bottom:12px;z-index:2;padding:10px;border:1px solid var(--line);border-radius:var(--radius);background:#fbfcf8f0;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.resultsPanel.rail{position:sticky;top:18px}.resultsPanel.main{min-height:600px}.preview{min-height:300px;display:flex;align-items:center;justify-content:center;overflow:hidden;border:1px solid #d6ddcf;border-radius:var(--radius);background:#f4f5f0}.resultsPanel.rail .preview{min-height:230px}.preview img{width:100%;height:auto;display:block}.preview span{color:#758293}.downloadGrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:12px}.downloadGrid .secondary{grid-column:1 / -1}.formatButton{min-height:36px;justify-content:center;border-radius:6px;padding:0 10px;color:#fff;background:var(--brand);text-decoration:none;border:0;cursor:pointer}.formatButton.disabled{pointer-events:none;opacity:.5}.downloadSection{display:grid;gap:8px;margin-top:14px}.qualitySummary{display:grid;gap:8px;margin-top:14px;padding:10px;border-radius:var(--radius);border:1px solid var(--line)}.qualitySummary.good{border-color:#b7d2c4;background:var(--success-soft)}.qualitySummary.warn{border-color:#e1c783;background:var(--warning-soft)}.qualityHeader,.qualityChecks{display:flex;align-items:center;gap:8px}.qualityHeader span{margin-left:auto;color:var(--muted);font-size:12px}.qualityChecks{flex-wrap:wrap}.qualityChecks span{padding:4px 7px;background:#fff;border:1px solid var(--line)}.qualityChecks .bad{color:var(--danger);border-color:#ef9a9a}.downloadSection strong{font-size:13px}.downloadSection small{color:#758293}.artifact{min-height:38px;justify-content:space-between;padding:8px 10px;border:1px solid #d6ddcf;border-radius:6px;color:var(--ink);text-decoration:none;background:#fff}.artifact:hover{border-color:var(--brand);background:#f6faf7}.artifact span{overflow-wrap:anywhere;font-size:13px}@media(max-width:1240px){.workflowBlock,.workspaceBody{grid-template-columns:1fr}.resultsPanel.rail{position:static}.workspacePanel,.resultsPanel.main{min-height:auto}}@media(max-width:1020px){.programLauncher{grid-template-columns:1fr;padding:22px}.launcherIntro{min-height:auto}.engineGrid,.appFrame{grid-template-columns:1fr}.workspaceSidebar{position:static;min-height:auto}.sidebarActions{grid-template-columns:repeat(3,minmax(0,1fr))}.sidebarProjects{max-height:300px}.resultsPanel.rail{display:none}}@media(max-width:760px){.programLauncher,.shell{padding:14px}.launcherIntro{padding:20px}.launcherIntro h1{font-size:32px}.sidebarActions,.topbar,.topbarControls,.nextStepCard,.projectActionGrid,.twoCols,.actions,.projectTable button{display:grid}.topbarControls{justify-items:stretch}.nextStepCard{grid-template-columns:1fr;align-items:start}.nextStepCard button{justify-self:stretch}.status span{max-width:none}.readinessRow,.metricRow,.generateSummary{grid-template-columns:1fr}.workspaceTabs{display:flex;gap:8px;overflow-x:auto;padding-bottom:3px;scroll-snap-type:x proximity}.workspaceTabs button{min-width:142px;scroll-snap-align:start}.briefGrid,.formGrid,.exampleGrid{grid-template-columns:repeat(2,minmax(0,1fr))}.previewEditor{grid-template-columns:repeat(3,minmax(0,1fr))}.layerRow{grid-template-columns:1fr}.stickyActions{position:static}}@media(max-width:520px){h1{font-size:24px}h2{font-size:18px}.panel{padding:14px}.sidebarActions,.briefGrid,.formGrid,.exampleGrid,.previewEditor,.downloadGrid{grid-template-columns:1fr}.downloadGrid .secondary{grid-column:auto}.sectionIntro{display:grid}}