:root{color-scheme:dark;font-family:system-ui,sans-serif;background:#111c1d;color:#edf4ed;--muted:#b4c4c0;--accent:#d4eda5}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0}#app,#diagnostic-app{max-width:1080px;margin:auto;padding:48px 40px 80px}header{border-bottom:1px solid #42534e;padding-bottom:24px;margin-bottom:24px}.eyebrow{font-size:12px;letter-spacing:.14em;color:var(--accent)}h1{font-size:38px;letter-spacing:-.035em;margin:12px 0 0}h2{font-size:29px;letter-spacing:-.025em}h3{font-size:18px;margin-top:30px}p,li{line-height:1.65}.intro,.note,.notes{color:var(--muted)}.status{font-size:14px;min-height:24px;color:var(--accent)}.field{display:flex;flex-direction:column;gap:8px;font-size:14px}.controls{display:flex;align-items:end;gap:16px;flex-wrap:wrap;margin:22px 0}input,textarea,button{font:inherit}textarea,input[type=text]{background:#18282a;border:1px solid #60716b;color:#edf4ed;padding:12px;border-radius:4px}textarea{width:100%;resize:vertical;line-height:1.6}input[type=text]{width:90px}input[type=range]{accent-color:var(--accent);height:44px}button{border:1px solid #74877e;background:#243536;color:#edf4ed;padding:12px 18px;border-radius:4px;cursor:pointer;min-height:44px}button:hover{background:#344a49}button.primary{background:var(--accent);border-color:var(--accent);color:#17241a;font-weight:650}button:disabled{opacity:.45;cursor:default}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #ffcb82;outline-offset:4px}.validation{color:#ffcb82;min-height:24px}.preview{white-space:pre-wrap;border-left:2px solid #768c70;padding:8px 22px;max-height:300px;overflow:auto;line-height:1.5}.script{--script-size:34px;margin-top:36px}.script button{display:block;width:100%;font-size:var(--script-size);line-height:1.55;text-align:left;border:0;border-left:4px solid transparent;background:transparent;color:#a2b4ad;padding:18px 24px;margin:12px 0}.script button.active{background:#263c30;border-left-color:var(--accent);color:#f4ffe9}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid #61716a;border-bottom:1px solid #61716a;margin:32px 0}.card{padding:22px 18px;border-right:1px solid #42534e}.card:last-child{border:0}.card p{font-size:13px;color:var(--muted);margin:0 0 12px}.card strong{font-size:23px;font-weight:600}.simulation{padding:18px;border:2px solid #ffcb82;color:#ffcb82}.diagnostic-controls{max-width:1000px;margin:0 auto 40px;padding:20px;border:1px dashed #ffcb82}.diagnostic-controls textarea{margin:12px 0}@media(max-width:720px){#app,#diagnostic-app{padding:24px 20px 48px}h1{font-size:30px}.cards{grid-template-columns:repeat(2,1fr)}.card{border-bottom:1px solid #42534e}.script button{padding:14px 12px}.controls{gap:12px}}

.rehearsal-toolbar{position:sticky;top:0;z-index:2;background:#111c1d;padding:12px 0 16px;border-bottom:1px solid #42534e}.rehearsal-toolbar .status{margin:0 0 8px}.rehearsal-toolbar .controls{margin:0}
.requirements{margin:20px 0;padding:14px 18px;border:1px solid var(--accent);border-left-width:4px;border-radius:4px;background:#263c30;color:#f4ffe9;font-weight:650}