:root{
  --bg:#0b1424;--bg2:#101c31;--panel:#111d32;--panel-soft:#0d1728;--panel-strong:#0a1220;
  --text:#e5f0ff;--muted:#8fa3c0;--border:#243754;--border-soft:#1b2b44;
  --primary:#38bdf8;--primary-dark:#0ea5e9;--accent:#22c55e;--accent2:#8b5cf6;
  --success:#22c55e;--warning:#f59e0b;--danger:#ef4444;--shadow:0 18px 50px rgba(0,0,0,.28);--radius:16px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;background:radial-gradient(circle at 20% -10%,rgba(56,189,248,.12),transparent 38%),linear-gradient(180deg,var(--bg),#081120);color:var(--text)}
.studio-body{min-height:100vh;padding-bottom:38px}.studio-header{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:22px;padding:14px 28px;background:rgba(8,17,32,.95);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}
.studio-header h1{margin:0;font-size:24px;letter-spacing:-.02em}.eyebrow{margin:0 0 4px;color:var(--primary);font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.16em}.muted{color:var(--muted)}.small{font-size:12px}.studio-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.admin-link{color:var(--text);text-decoration:none;font-weight:800;border:1px solid var(--border);padding:9px 13px;border-radius:12px;background:var(--panel)}button,.admin-link{transition:.15s ease}.primary,.secondary{border:0;border-radius:12px;padding:10px 16px;font-weight:900;cursor:pointer}.primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#04111f;box-shadow:0 10px 24px rgba(56,189,248,.22)}.primary:hover{transform:translateY(-1px);filter:brightness(1.05)}.secondary{background:#101f36;color:#dbeafe;border:1px solid var(--border)}.secondary:hover{background:#162844;border-color:var(--primary)}
.studio-tabs{position:sticky;top:62px;z-index:25;display:flex;gap:8px;padding:10px 28px;background:rgba(11,20,36,.96);border-bottom:1px solid var(--border);overflow-x:auto}.studio-tab{border:1px solid var(--border);background:#0f1b2e;border-radius:999px;padding:9px 16px;font-weight:900;color:#a9bbd6;cursor:pointer;white-space:nowrap}.studio-tab:hover{border-color:var(--primary);color:#fff}.studio-tab.active{background:linear-gradient(135deg,#0ea5e9,#22c55e);color:#04111f;border-color:transparent;box-shadow:0 8px 20px rgba(34,197,94,.16)}
.studio-shell{display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:16px;padding:16px 28px;max-width:1680px;margin:0 auto}.studio-main{min-width:0}.studio-side{min-width:0}.side-sticky{position:sticky;top:126px;display:flex;flex-direction:column;gap:12px}.workspace{display:none}.workspace.active{display:block}.workspace-head{display:flex;justify-content:space-between;gap:14px;margin-bottom:12px}.workspace-head h2{margin:0;font-size:22px}.workspace-head p{margin:.45rem 0 0}.studio-card{background:linear-gradient(180deg,var(--panel),#0d182b);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin-bottom:14px}.form-priority{border-color:#315178}.grid{display:grid;gap:12px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.compact-grid{align-items:start}.field label,.check-panel h3,.check-panel h4{display:block;margin:0 0 7px;font-size:13px;font-weight:900;color:#d9e7fb}.field input,.field select,.field textarea,textarea{width:100%;border:1px solid var(--border);border-radius:12px;background:#07101e;padding:10px 12px;font:inherit;color:var(--text);outline:none}.field input:focus,.field select:focus,.field textarea:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(56,189,248,.12)}.field textarea,.input-large textarea{min-height:108px;resize:vertical}select[multiple]{min-height:110px}.save-row{display:flex;gap:9px;align-items:center;font-weight:700;margin-top:10px}.check-panel{background:var(--panel-soft);border:1px solid var(--border-soft);border-radius:14px;padding:11px;max-height:230px;overflow:auto}.check-panel ul{list-style:none;margin:0;padding:0;display:grid;gap:7px}.check-panel li{font-size:13px}.check-panel label{display:flex;gap:8px;align-items:flex-start}.wide{grid-column:1/-1}.knowledge-grid,.compact-knowledge-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin-top:12px}.recommendation-panel{background:#081827;border:1px dashed #2563eb;border-radius:14px;padding:12px}.recommendation-chips{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 12px}.recommendation-chip{border:1px solid var(--border);background:#0b1628;color:#dbeafe;border-radius:999px;padding:7px 10px;font-size:12px;font-weight:800;cursor:pointer}.recommendation-chip.active{background:var(--primary);color:#03111f}.output-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.featured-output{grid-column:1/-1}.output-block textarea,.quick-result textarea,.side-panel-card textarea{min-height:150px;font-family:Consolas,monospace;font-size:13px;line-height:1.55;background:#030712;color:#dbeafe;border-color:#1e293b}.quick-result textarea{min-height:110px}.analysis-grid,.knowledge-workspace-grid,.debug-grid{display:grid;gap:12px}.score-hero{display:flex;justify-content:space-between;align-items:center;background:linear-gradient(135deg,#071a2e,#10223b)}.score-hero strong,.quick-score strong{font-size:30px;color:var(--primary)}.score-summary-v2{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.score-summary-v2>div{background:var(--panel-soft);border-radius:12px;padding:10px;border:1px solid var(--border-soft)}.score-summary-v2 span{display:block;color:var(--muted);font-size:12px}.ai-coach-card{border-left:4px solid var(--primary)}.coach-head{display:flex;justify-content:space-between;gap:16px}.coach-kicker{font-size:12px;color:var(--primary);font-weight:900}.panel-card summary,.side-panel-card summary{cursor:pointer;font-weight:900}.panel-card[open] summary,.side-panel-card[open] summary{margin-bottom:12px}.explain-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.explain-grid article,.recent-list article{background:var(--panel-soft);border:1px solid var(--border-soft);border-radius:12px;padding:12px}.recent-list{display:grid;gap:10px}.recent-list.compact article p{margin-bottom:0}.preset-match-row{display:grid;grid-template-columns:1fr auto;gap:8px;margin-bottom:10px}.preset-match-bar{grid-column:1/-1;height:8px;background:#0b1220;border-radius:99px;overflow:hidden}.preset-match-bar i,.score-meter i,.length-meter i{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--accent))}.debug-list{display:grid;gap:10px}.debug-row{border:1px solid var(--border-soft);border-radius:12px;padding:10px;background:var(--panel-soft)}.score-row-head{display:flex;justify-content:space-between;gap:8px}.score-meter{height:8px;border-radius:99px;overflow:hidden;background:#0b1220;margin:8px 0}.empty-state{text-align:center;padding:42px}.quick-score{display:flex;justify-content:space-between;align-items:center}.full-width{width:100%;margin-top:10px}.success{padding:10px 12px;border-radius:12px;background:rgba(34,197,94,.13);border:1px solid rgba(34,197,94,.35);color:#bbf7d0;font-weight:800}.notes{margin:0;padding-left:18px}.studio-statusbar{position:fixed;bottom:0;left:0;right:0;z-index:40;display:flex;gap:18px;align-items:center;padding:8px 28px;background:#050b14;color:#dbeafe;font-size:13px;border-top:1px solid var(--border)}.advanced-only{display:none}.advanced-mode .advanced-only{display:block}.advanced-mode .studio-tab.advanced-only{display:inline-block}.advanced-mode .workspace.advanced-only.active{display:block}pre{white-space:pre-wrap;word-break:break-word;background:#030712;color:#dbeafe;border-radius:12px;padding:12px;max-height:260px;overflow:auto;border:1px solid var(--border-soft)}
@media(max-width:1200px){.studio-shell{grid-template-columns:1fr}.studio-side{order:-1}.side-sticky{position:static}.output-grid{grid-template-columns:1fr}.studio-tabs{top:61px}}
@media(max-width:760px){.studio-header{position:static;align-items:flex-start;flex-direction:column;padding:14px}.studio-tabs{top:0;padding:9px 14px}.studio-shell{padding:12px}.grid.two,.grid.three,.score-summary-v2,.explain-grid{grid-template-columns:1fr}.knowledge-grid,.compact-knowledge-grid{grid-template-columns:1fr}.studio-statusbar{position:static;flex-wrap:wrap}.studio-actions{width:100%}.studio-actions .primary,.studio-actions .secondary,.studio-actions .admin-link{flex:1;text-align:center}.workspace-head h2{font-size:21px}}

/* v0.9.3d Advanced Mode reliable visibility */
body.advanced-mode .advanced-only{display:block !important;}
body.advanced-mode .studio-tab.advanced-only{display:inline-flex !important;}
body.advanced-mode [data-workspace-panel="debug"].advanced-only.active{display:block !important;}
body:not(.advanced-mode) [data-workspace-panel="debug"]{display:none !important;}

/* v0.9.3.5 Studio Polish */
.studio-header-polished{display:grid;grid-template-columns:minmax(220px,1fr) auto auto;align-items:center}.brand-block{min-width:220px}.studio-health-strip{display:flex;gap:8px;align-items:center;justify-content:center;flex-wrap:wrap}.studio-health-strip span{display:flex;gap:6px;align-items:center;border:1px solid var(--border);background:#0d1a2e;border-radius:999px;padding:7px 11px;color:var(--muted);font-size:12px;font-weight:800}.studio-health-strip b{color:var(--primary);font-size:10px;text-transform:uppercase;letter-spacing:.08em}.studio-health-strip i{font-style:normal;color:var(--text)}.studio-health-strip .status-good{border-color:rgba(34,197,94,.45);color:#bff7d0}.studio-shell-polished{grid-template-columns:minmax(0,1fr) 360px;align-items:start}.workspace-head{align-items:flex-start}.workspace-actions{display:flex;gap:8px;flex-wrap:wrap}.mini-toolbar{display:flex;gap:8px;align-items:center;margin-bottom:12px;padding:12px}.pill{display:inline-flex;align-items:center;border:1px solid var(--border);border-radius:999px;padding:6px 10px;color:var(--muted);font-size:12px;font-weight:900}.pill.active{background:rgba(56,189,248,.12);border-color:var(--primary);color:#dff7ff}.output-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px}.output-head h3{margin:0}.output-grid-polished{grid-template-columns:repeat(3,minmax(0,1fr));align-items:stretch}.output-grid-polished .output-block textarea{min-height:260px}.featured-output{border-color:rgba(56,189,248,.52);box-shadow:0 18px 48px rgba(56,189,248,.08)}.polished-side-card{border-color:rgba(56,189,248,.32)}.status-checklist{display:flex;flex-direction:column;gap:8px;margin-top:12px}.status-checklist span{border:1px solid var(--border-soft);background:rgba(13,23,40,.75);border-radius:10px;padding:8px 10px;color:var(--muted);font-size:13px}.status-checklist .ok{color:#bff7d0;border-color:rgba(34,197,94,.28)}.muted-list span{color:var(--muted)}.side-actions-row{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}.studio-toast{position:fixed;right:24px;bottom:56px;z-index:60;transform:translateY(16px);opacity:0;pointer-events:none;background:linear-gradient(135deg,var(--primary),var(--accent));color:#03111f;border-radius:999px;padding:10px 16px;font-weight:900;box-shadow:0 16px 40px rgba(0,0,0,.32);transition:.18s ease}.studio-toast.show{transform:translateY(0);opacity:1}.shortcut-hint{color:var(--primary)}.studio-card:hover{border-color:#335075}.form-priority{border-color:rgba(56,189,248,.35)}.advanced-mode .advanced-only{animation:fadeInStudio .16s ease}@keyframes fadeInStudio{from{opacity:.4;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:1200px){.studio-header-polished{grid-template-columns:1fr;gap:12px}.studio-health-strip{justify-content:flex-start}.studio-shell-polished{grid-template-columns:1fr}.studio-side{order:-1}.side-sticky{position:static}.output-grid-polished{grid-template-columns:1fr}}
@media(max-width:760px){.studio-header{padding:14px 16px}.studio-tabs{padding:10px 16px}.studio-shell{padding:14px 16px}.studio-health-strip span{font-size:11px}.side-actions-row{grid-template-columns:1fr}}

/* v0.9.3.6 UI interaction polish */
.output-toolbar .pill{cursor:pointer;background:#0b1628;}
.output-toolbar .pill:hover{border-color:var(--primary);color:#e0f7ff;}
.output-panel{display:none;}
.output-panel.active{display:block;}
.output-panels .featured-output{grid-column:auto;}
body.advanced-mode #modeToggle{border-color:rgba(34,197,94,.55);box-shadow:0 0 0 2px rgba(34,197,94,.08) inset;}