:root{--navy:#012169;--royal:#00539B;--magnolia:#1D6363;--eno:#339898;--graphite:#666;--granite:#B5B5B5;--hatteras:#E2E6ED;--whisper:#F3F2F1;--ginger:#FCF7E5;--persimmon:#E89923;--piedmont:#A1B70D;--cast:#262626}
*{box-sizing:border-box}
body{font-family:Inter,system-ui,-apple-system,Arial,sans-serif;margin:0;color:var(--cast);background:var(--whisper);line-height:1.5}
header.brand{background:#fff;border-bottom:1px solid var(--hatteras);padding:.8rem 1.2rem;display:flex;justify-content:space-between;align-items:center}
.hdr-link{color:var(--royal);font-size:.9rem;text-decoration:none}.hdr-link:hover{color:var(--navy)}
header.brand .wordmark{color:var(--navy);font-weight:700;font-size:1.25rem;text-decoration:none}
header.brand .wordmark small{color:var(--royal);font-weight:400;font-size:.8rem;margin-left:.5rem}
main{max-width:720px;margin:2rem auto;padding:0 1rem}
main.wide{max-width:900px}
.card{background:#fff;border-radius:12px;padding:1.4rem;box-shadow:0 1px 3px rgba(0,0,0,.08)}
h1{color:var(--navy);font-size:1.35rem;margin:.2rem 0 .6rem}
h3{color:var(--navy);font-size:1rem}
p{color:var(--graphite)}
label{display:block;margin:.5rem 0 .2rem;font-size:.9rem;color:var(--graphite)}
input,select{width:100%;padding:.5rem;border:1px solid var(--granite);border-radius:6px;font:inherit}
button{background:var(--royal);color:#fff;border:0;padding:.8rem 1.4rem;border-radius:8px;font:inherit;font-size:1rem;cursor:pointer;margin:.6rem .4rem 0 0}
button:hover{background:var(--navy)} button:disabled{background:var(--granite);cursor:default}
.row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
#status{margin:.8rem 0;font-weight:600;color:var(--navy)}
#log{background:var(--whisper);border-radius:8px;padding:.8rem;height:260px;overflow:auto;font-size:.92rem;white-space:pre-wrap}
.s{color:var(--royal)}.c{color:var(--navy)}.m{color:#999;font-size:.8rem}
.notice{background:var(--ginger);border-left:4px solid var(--persimmon);padding:.6rem .9rem;border-radius:6px;font-size:.9rem}
.done{background:#A1B70D22;border-left:4px solid var(--piedmont);padding:.6rem .9rem;border-radius:6px;margin-top:1rem}
pre{background:var(--hatteras);padding:.6rem;border-radius:6px;overflow:auto;font-size:.8rem}
footer{color:#999;font-size:.8rem;text-align:center;margin:2rem 0}
body.hero{min-height:100vh;display:flex;flex-direction:column;background:linear-gradient(135deg,var(--navy),var(--royal) 50%,var(--navy));color:#fff}
.hero-head{padding:1.5rem 1rem;max-width:1100px;width:100%;margin:0 auto}
.hero-wordmark{font-size:1.5rem;font-weight:700;color:#fff}
.hero-main{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;max-width:42rem;margin:0 auto;padding:0 1rem}
.hero-icon{width:96px;height:96px;border-radius:22px;margin-bottom:1.5rem;box-shadow:0 8px 24px rgba(0,0,0,.25)}
.hero-main h1{color:#fff;font-size:2.75rem;margin:0 0 1.5rem}
.hero-main p{color:rgba(255,255,255,.8);font-size:1.25rem;margin:0 0 2.5rem}
.hero-btn{display:inline-block;background:#fff;color:var(--navy);font-weight:700;font-size:1.125rem;padding:1.25rem 2.5rem;border-radius:.75rem;text-decoration:none;box-shadow:0 10px 15px rgba(0,0,0,.15)}
.hero-btn:hover{background:var(--ginger)}
.hero-foot{padding:1.5rem;text-align:center;color:rgba(255,255,255,.5);font-size:.85rem}

/* studio */
main.studio{max-width:1100px}
.tabs{display:flex;gap:.4rem;margin:0 0 1rem}
.tabs button{margin:0;padding:.5rem 1rem;background:var(--hatteras);color:var(--navy)}
.tabs button.on{background:var(--royal);color:#fff}
.grid{display:grid;grid-template-columns:2fr 1fr;gap:1.2rem}
textarea{width:100%;min-height:220px;padding:.6rem;border:1px solid var(--granite);border-radius:6px;font:inherit;font-size:.92rem;line-height:1.45}
textarea.tall{min-height:420px}
.stat{display:flex;justify-content:space-between;padding:.35rem 0;border-bottom:1px solid var(--hatteras);font-size:.92rem}
.stat b{color:var(--navy)} .ok{color:var(--piedmont)} .warn{color:#C84E00}
.chap{display:flex;gap:.5rem;align-items:center;padding:.25rem 0;font-size:.92rem} .chap input{width:auto;margin:0}
.chap small{color:#999;margin-left:auto}
.vlist{font-size:.88rem} .vlist div{padding:.3rem 0;border-bottom:1px solid var(--hatteras);display:flex;gap:.5rem;align-items:center}
.vlist .pub{color:var(--piedmont);font-weight:600} .vlist button{margin:0;padding:.2rem .6rem;font-size:.8rem}
.muted{color:#999;font-size:.85rem}
#try-log{height:180px}
.result{background:var(--whisper,#F3F2F1);border-left:4px solid var(--royal,#00539B);padding:.8rem 1rem;border-radius:6px;margin-top:1rem}
.result h2{color:var(--navy,#012169);margin:.2rem 0 .4rem;font-size:1.2rem}
.result h3{color:var(--navy,#012169);margin:.8rem 0 .2rem;font-size:1rem}
.result li{margin:.25rem 0}
#log{height:340px;line-height:1.45}
.turn{margin:0 0 .6rem;padding-left:.2rem}.turn b{display:block;font-size:.8rem;letter-spacing:.02em;text-transform:uppercase;opacity:.75}
.turn.m{color:#999;font-style:italic}

.timer{margin:.25rem 0 .5rem;font-size:.95rem;color:var(--graphite,#666)}
.timer.urgent{color:var(--copper,#C84E00);font-weight:600}