:root{color-scheme:light;--ink:#142019;--muted:#657168;--line:#dfe7e1;--paper:#fff;--green:#16794c;--green-dark:#0d5032;--wash:#f2f7f3;--accent:#e7f7ed}
*{box-sizing:border-box}
body{margin:0;font:15px/1.5 Inter,ui-sans-serif,system-ui,sans-serif;color:var(--ink);background:linear-gradient(145deg,#edf6ef,#f7f4eb 58%,#edf1f8);min-height:100vh}
button,input,select,textarea{font:inherit}
button{cursor:pointer;border:0;border-radius:12px;padding:.72rem 1rem;font-weight:750}
button:disabled{cursor:not-allowed;opacity:.45}
button,.topic-card{transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}
button:not(:disabled):hover,.topic-card:hover{transform:translateY(-1px)}
.topbar{max-width:1240px;margin:auto;padding:2rem 1.5rem 1rem;display:grid;grid-template-columns:auto 1fr auto;gap:1.5rem;align-items:start}
.topbar h1{font-size:clamp(2rem,5vw,3.6rem);line-height:1;margin:.25rem 0}
.topbar p{max-width:720px;margin:.35rem 0;color:var(--muted)}
.back-link{color:var(--green-dark);text-decoration:none;font-weight:750;padding-top:.35rem}
main{max-width:1240px;margin:auto;padding:1rem 1.5rem 4rem;display:grid;gap:1.25rem}
.panel{background:rgba(255,255,255,.92);border:1px solid rgba(210,222,213,.9);border-radius:22px;padding:1.25rem;box-shadow:0 18px 55px rgba(37,63,45,.07)}
.access-panel,.section-heading,.level-card{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.access-panel form{display:flex;gap:.65rem;min-width:min(100%,480px)}
input,select,textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:.72rem .85rem;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:3px solid rgba(22,121,76,.14);border-color:var(--green)}
button,.primary{background:var(--green);color:#fff}
.secondary{background:var(--wash);color:var(--green-dark);border:1px solid var(--line)}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.72rem;font-weight:850;color:var(--green);margin:0}
h2,h3{margin:.2rem 0 .45rem;line-height:1.2}
.muted,.empty{color:var(--muted)}
.badge{padding:.4rem .7rem;border-radius:999px;background:#fff3cd;color:#725800;font-weight:800;font-size:.78rem}
.badge.connected{background:#dff5e7;color:#145d3c}
.notice{padding:.85rem 1rem;border-radius:14px;background:#fff4d9;border:1px solid #eed79c;color:#69520e}
.notice.error{background:#fff0ef;border-color:#f1c1bd;color:#842d25}
.notice.success{background:#e8f7ed;border-color:#badfc7;color:#145d3c}
.hero-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:1rem}
.level-card{background:linear-gradient(125deg,#113c29,#18784c);color:#fff}
.level-card .eyebrow,.level-card p{color:#c8eed8}
.level-card button{background:#fff;color:var(--green-dark);white-space:nowrap}
.metric-card{display:grid;place-content:center;text-align:center}
.metric-card span{font-size:2.5rem;font-weight:900;color:var(--green-dark)}
.metric-card p{margin:0;color:var(--muted)}
.workspace{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(320px,.75fr);gap:1rem;align-items:start}
.detail-panel{position:sticky;top:1rem}
.topic-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.7rem;margin-top:1rem}
.topic-card{border:1px solid var(--line);border-radius:16px;padding:.9rem;background:#fff;cursor:pointer}
.topic-card.active{border-color:var(--green);box-shadow:0 0 0 3px rgba(22,121,76,.1)}
.topic-card small{display:block;color:var(--green);font-weight:750;margin-bottom:.25rem}
.topic-card strong{display:block}
.topic-card span{font-size:.8rem;color:var(--muted)}
.example{padding:.65rem 0;border-bottom:1px solid var(--line)}
.example b,.example span{display:block}
.example span{color:var(--muted)}
.detail-actions{display:flex;gap:.6rem;margin-top:1rem}
.rule{max-height:260px;overflow:auto;background:var(--wash);padding:.8rem;border-radius:12px;white-space:pre-wrap;font-size:.86rem}
.selection-list,.production-list{display:grid;gap:.85rem;margin-top:1rem}
.selection{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,420px);gap:1rem;padding:1rem;border:1px solid var(--line);border-radius:16px}
.selection-title{display:flex;align-items:center;gap:.55rem;flex-wrap:wrap}
.selection-actions{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.6rem;align-items:center}
.selection p{margin:.15rem 0;color:var(--muted);font-size:.84rem}
.selection code{font-size:.75rem;color:var(--green-dark)}
.production{padding:1rem;border:1px solid var(--line);border-radius:18px;background:#fff}
.production>header{display:flex;justify-content:space-between;gap:1rem;align-items:start}
.production h3{font-size:1.2rem}
.production header p{margin:.25rem 0}
.review-status{display:inline-flex;border-radius:999px;padding:.42rem .7rem;font-size:.76rem;font-weight:850;white-space:nowrap;background:#fff4d9;color:#69520e}
.review-status.approved{background:#dff5e7;color:#145d3c}
.review-status.changes_requested,.review-status.generation_failed{background:#fff0ef;color:#842d25}
.artifact-list{list-style:none;padding:0;margin:1rem 0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.65rem}
.artifact-list li{display:block;padding:.8rem;border:1px solid var(--line);border-radius:14px;background:var(--wash)}
.artifact-heading{display:flex;align-items:center;justify-content:space-between;gap:.8rem}
.artifact-heading>div{min-width:0}
.artifact-list strong,.artifact-list span,.artifact-list small{display:block}
.artifact-list span{font-size:.84rem;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.artifact-list small{color:#842d25}
.artifact-list a{white-space:nowrap;color:var(--green-dark);font-weight:800;text-decoration:none;font-size:.82rem}
.artifact-list .artifact-heading small:not(.artifact-error){color:var(--muted);margin-top:.2rem}
.artifact-failed{border-color:#f1c1bd!important;background:#fff7f6!important}
.status-text{font-weight:800;color:#842d25!important}
.regeneration-box{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.55rem;margin-top:.7rem;padding-top:.7rem;border-top:1px solid var(--line)}
.narration-controls{display:grid;grid-template-columns:minmax(0,1fr) minmax(190px,260px) auto;gap:.75rem;align-items:center;margin:1rem 0;padding:1rem;border-radius:16px;background:linear-gradient(120deg,#eef8f2,#f3f1fb);border:1px solid #d8e5db}
.narration-controls strong,.narration-controls span{display:block}
.narration-controls span{color:var(--muted);font-size:.82rem}
.narration-details{margin-top:.7rem;border-top:1px solid var(--line);padding-top:.6rem}
.narration-details summary{cursor:pointer;color:var(--green-dark);font-size:.8rem;font-weight:800}
.scene-audio-list{display:grid;gap:.45rem;margin-top:.55rem}
.scene-audio{display:grid;grid-template-columns:auto minmax(140px,1fr) auto;gap:.55rem;align-items:center;background:#fff;padding:.45rem;border-radius:10px}
.scene-audio audio{width:100%;height:30px}
.scene-audio.failed{background:#fff0ef}
.scene-audio span{font-size:.76rem;font-weight:800;color:var(--ink)}
.review-box{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.75rem;align-items:end;border-top:1px solid var(--line);padding-top:1rem}
.review-box textarea{resize:vertical;min-height:68px}
.review-box>div{display:flex;gap:.55rem}
@media(max-width:1000px){.hero-grid{grid-template-columns:repeat(3,1fr)}.level-card{grid-column:1/-1}}
@media(max-width:850px){.topbar{grid-template-columns:1fr}.hero-grid,.workspace{grid-template-columns:1fr}.detail-panel{position:static}.access-panel,.level-card{align-items:flex-start;flex-direction:column}.access-panel form{min-width:100%}.selection,.review-box,.narration-controls{grid-template-columns:1fr}.artifact-list{grid-template-columns:1fr}}
@media(max-width:650px){.selection-actions,.regeneration-box,.scene-audio{grid-template-columns:1fr}.artifact-heading{align-items:flex-start;flex-direction:column}.review-box>div{flex-direction:column}}
@media(max-width:560px){.topic-list{grid-template-columns:1fr}.access-panel form,.section-heading{align-items:stretch;flex-direction:column}.topbar,main{padding-left:1rem;padding-right:1rem}}