:root{--navy:#00133c;--blue:#0062f1;--orange:#dc6803;--ink:#172033;--muted:#64748b;--border:#dfe7f1;--surface:#fff;--soft:#f4f7fb;--shadow:0 14px 38px rgba(0,19,60,.08)}
*{box-sizing:border-box}body{margin:0;background:var(--sn-bg);color:var(--ink);font-family:ui-sans-serif,system-ui,-apple-system,sans-serif}.studio-topbar{position:sticky;top:0;z-index:50;min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px 24px;border-bottom:1px solid rgba(203,213,225,.8);background:rgba(255,255,255,.9);backdrop-filter:blur(18px)}.brand-row,.project-controls,.action-row{display:flex;align-items:center;gap:10px}.brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;background:var(--sn-surface-3);color:#fff;font-family:Lora,serif;font-weight:700}.brand-row h1{margin:0;color:var(--navy);font:700 17px/1.2 Lora,serif}.brand-row p{margin:3px 0 0;color:var(--sn-text-3);font-size:11px}.back-link{color:var(--muted);text-decoration:none;font-size:12px}.project-controls select,.inline-form select,.inline-form input,.form-grid select,.form-grid input,.form-grid textarea{border:1px solid var(--border);border-radius:10px;background:var(--sn-surface);color:var(--ink);padding:10px 12px;font:500 13px/1.3 inherit}.project-controls select{min-width:210px}.button{border:1px solid transparent;border-radius:10px;padding:10px 14px;font:700 12px/1 inherit;cursor:pointer;transition:.2s ease}.button:hover{transform:translateY(-1px)}.button.primary{background:var(--blue);color:#fff}.button.ghost{background:var(--sn-surface);color:var(--sn-text-2);border-color:var(--border)}.button.white{background:var(--sn-surface);color:var(--navy)}.button.glass{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.2);color:#fff}.button.full{width:100%;margin-top:8px}.studio-shell{display:grid;grid-template-columns:220px minmax(0,1fr);min-height:calc(100vh - 74px)}.studio-sidebar{position:sticky;top:74px;height:calc(100vh - 74px);display:flex;flex-direction:column;justify-content:space-between;padding:18px 12px;border-right:1px solid 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h3{color:var(--navy);font:700 20px/1.2 Lora,serif}.report-section p,.report-section li{color:var(--sn-text-2);font-size:13px;line-height:1.65}.bar-chart{display:grid;gap:7px}.bar-row{display:grid;grid-template-columns:120px 1fr 60px;align-items:center;gap:9px;font-size:10px}.bar-track{height:9px;border-radius:999px;background:#e2e8f0;overflow:hidden}.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--blue),#60a5fa)}.automation-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}.automation-grid article:last-child{grid-column:1/-1}.stack{display:grid;gap:8px}.file-button{text-align:center}.setting-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid #eef2f7}.setting-row strong,.setting-row span{display:block}.setting-row strong{font-size:12px}.setting-row>div span{margin-top:3px;color:var(--sn-text-3);font-size:10px}.switch input{display:none}.switch>span{position:relative;width:42px;height:24px;border-radius:999px;background:#cbd5e1;cursor:pointer}.switch>span:after{content:"";position:absolute;width:18px;height:18px;left:3px;top:3px;border-radius:50%;background:var(--sn-surface);transition:.2s}.switch input:checked+span{background:var(--blue)}.switch input:checked+span:after{transform:translateX(18px)}.builder-layout{display:grid;grid-template-columns:320px minmax(0,1fr);gap:18px}.dialog-shell{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:18px;background:rgba(2,6,23,.55);backdrop-filter:blur(8px)}.dialog-shell[hidden]{display:none}.dialog-card{position:relative;width:min(560px,100%);max-height:86vh;overflow:auto;padding:25px;border-radius:20px;background:var(--sn-surface);box-shadow:0 28px 80px rgba(0,19,60,.3)}.dialog-close{position:absolute;right:12px;top:10px;border:0;background:transparent;color:var(--sn-text-3);font-size:25px;cursor:pointer}.studio-toast{position:fixed;right:20px;bottom:80px;z-index:110;max-width:320px;padding:12px 15px;border-radius:12px;background:var(--sn-surface-3);color:#fff;box-shadow:var(--shadow);font-size:12px}.studio-toast[hidden]{display:none}
[data-theme=dark] body{background:#0a1020;color:#e6ecf7}[data-theme=dark] .studio-topbar,[data-theme=dark] .studio-sidebar,[data-theme=dark] .surface,[data-theme=dark] .metric-card,[data-theme=dark] .dataset-card,[data-theme=dark] .step-button,[data-theme=dark] .workflow-node,[data-theme=dark] .report-canvas,[data-theme=dark] .dialog-card{background:var(--sn-surface-2);border-color:#26334f}[data-theme=dark] .studio-topbar{background:rgba(13,24,48,.92)}[data-theme=dark] .view-heading h2,[data-theme=dark] .surface h3,[data-theme=dark] .metric-card strong,[data-theme=dark] .dataset-card h3,[data-theme=dark] .workflow-node strong,[data-theme=dark] .quality-score,[data-theme=dark] td strong,[data-theme=dark] .report-title,[data-theme=dark] .report-section h3{color:#e8eefc}[data-theme=dark] .recipe-card,[data-theme=dark] .rule-item,[data-theme=dark] .quality-result,[data-theme=dark] .report-kpi,[data-theme=dark] .workflow-canvas{background-color:var(--sn-bg-raised);border-color:#26334f}[data-theme=dark] th{background:var(--sn-bg-raised)}[data-theme=dark] .drop-zone{background:#15223f;border-color:#28395f}
@media(max-width:1100px){.metric-grid,.recipe-gallery{grid-template-columns:repeat(2,1fr)}.overview-grid,.quality-layout,.automation-grid,.builder-layout{grid-template-columns:1fr}.workflow-layout{grid-template-columns:180px minmax(0,1fr)}.workflow-layout .inspector{grid-column:1/-1}.automation-grid article:last-child{grid-column:auto}.dataset-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.studio-topbar{align-items:flex-start;flex-direction:column;padding:12px 16px}.project-controls{width:100%;overflow:auto}.project-controls select{min-width:160px}.studio-shell{display:block}.studio-sidebar{position:sticky;top:111px;z-index:40;width:100%;height:auto;padding:7px;border-right:0;border-bottom:1px solid var(--border);overflow:auto}.studio-sidebar nav{display:flex;min-width:max-content}.nav-item{width:auto}.nav-item span,.sidebar-status{display:none}.studio-main{padding:24px 14px 100px}.view-heading{align-items:flex-start;flex-direction:column}.metric-grid,.recipe-gallery,.dataset-grid,.report-grid{grid-template-columns:1fr}.workflow-layout{grid-template-columns:1fr}.step-library{position:static}.inline-form{grid-template-columns:1fr}.bar-row{grid-template-columns:85px 1fr 45px}.project-controls .button{white-space:nowrap}}
@media print{.studio-topbar,.studio-sidebar,.view-heading,.dh-platform-bar{display:none!important}.studio-shell{display:block}.studio-main{padding:0}.studio-view{display:none!important}#view-report{display:block!important}.report-canvas{border:0;box-shadow:none;padding:0}}