:root{
  --bg:#100f12; --panel:#1c171f; --panel2:#251d2b; --ink:#f8f3ec; --muted:#b7aebe;
  --gold:#d8ac55; --rose:#bb476d; --blue:#5fb3ff; --danger:#ff4f5e; --ok:#67e8a5;
  --border:rgba(255,255,255,.12); --shadow:0 22px 70px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(circle at top left,#322038 0,#100f12 36%,#07070a 100%);color:var(--ink)}
button,input,textarea,select{font:inherit}
button{cursor:pointer;border:0;border-radius:14px;padding:12px 16px;font-weight:800;letter-spacing:.01em;transition:.2s transform,.2s opacity,.2s background}
button:hover{transform:translateY(-1px);opacity:.95}.primary{background:linear-gradient(135deg,var(--gold),#ffdf8f);color:#24170b}.secondary{background:#30263a;color:var(--ink);border:1px solid var(--border)}.ghost{background:rgba(255,255,255,.08);color:var(--ink);border:1px solid var(--border);backdrop-filter:blur(12px)}.danger{background:linear-gradient(135deg,#ff4f5e,#b51735);color:white}.mini{padding:9px 12px;background:rgba(216,172,85,.15);border:1px solid rgba(216,172,85,.35);color:#ffe3aa}.hero{position:relative;min-height:430px;display:flex;align-items:center;overflow:hidden;background:linear-gradient(135deg,rgba(20,12,24,.7),rgba(9,7,13,.96)),url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="1400" height="600"><defs><linearGradient id="g" x1="0" x2="1"><stop stop-color="%23d8ac55"/><stop offset=".5" stop-color="%23bb476d"/><stop offset="1" stop-color="%235fb3ff"/></linearGradient></defs><rect width="1400" height="600" fill="%23110d14"/><g opacity=".18" fill="none" stroke="url(%23g)"><path d="M0 510 C240 350 320 560 520 390 S830 260 1060 390 1220 530 1400 360" stroke-width="16"/><path d="M0 120 C220 260 410 40 650 180 S1010 300 1400 90" stroke-width="7"/><circle cx="1100" cy="170" r="110" stroke-width="12"/><circle cx="230" cy="390" r="90" stroke-width="9"/></g></svg>') center/cover}.hero-content{position:relative;z-index:2;max-width:1040px;margin:0 auto;padding:60px 24px}.brand-kicker,.eyebrow{text-transform:uppercase;letter-spacing:.18em;color:var(--gold);font-size:.78rem;font-weight:900}.hero h1{font-size:clamp(2.4rem,6vw,5.4rem);line-height:.92;margin:10px 0}.hero h1 span{color:var(--gold)}.hero p{max-width:720px;color:#e9dde9;font-size:1.15rem;line-height:1.7}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.topnav{position:sticky;top:0;z-index:20;display:flex;justify-content:center;gap:10px;flex-wrap:wrap;padding:12px;background:rgba(10,8,13,.78);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}.topnav a{color:#f4e7f0;text-decoration:none;padding:10px 14px;border-radius:999px}.topnav a:hover{background:rgba(255,255,255,.08)}main{width:min(1440px,94vw);margin:28px auto 70px}.panel{background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.035));border:1px solid var(--border);box-shadow:var(--shadow);border-radius:28px;padding:22px}.grid-section{display:grid;grid-template-columns:2fr 1fr;gap:18px;margin-bottom:20px}.wide{min-width:0}.panel-title-row{display:flex;align-items:center;justify-content:space-between;gap:15px}.panel h2{margin:.15rem 0 1rem;font-size:1.7rem}.muted{color:var(--muted);line-height:1.55}.settings-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}label{display:flex;flex-direction:column;gap:7px;color:#e5d8e7;font-weight:700}input,textarea,select{width:100%;border:1px solid var(--border);background:rgba(4,4,8,.55);color:var(--ink);border-radius:14px;padding:12px;outline:none}textarea{min-height:260px;resize:vertical;line-height:1.55}.large-input{font-size:1.25rem;font-weight:900;margin-bottom:12px}.status-pill{display:inline-flex;align-items:center;border:1px solid rgba(103,232,165,.35);color:#b8ffd5;background:rgba(103,232,165,.1);padding:8px 12px;border-radius:999px;font-weight:900;font-size:.8rem}.status-pill.warning{border-color:rgba(255,79,94,.4);color:#ffc0c7;background:rgba(255,79,94,.12)}.progress{height:12px;border-radius:999px;background:#100c13;overflow:hidden}.progress span{display:block;height:100%;width:0%;background:linear-gradient(90deg,var(--rose),var(--gold),var(--ok));border-radius:999px;transition:.3s}.feature-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:20px 0}.feature-strip article{padding:18px;border:1px solid var(--border);border-radius:22px;background:rgba(255,255,255,.05)}.feature-strip strong{display:block;margin-bottom:8px}.feature-strip span{color:var(--muted);line-height:1.45}.builder-layout{display:grid;grid-template-columns:260px minmax(420px,1fr) 360px;gap:18px;margin:22px 0}.section-list{position:sticky;top:70px;height:max-content}.chapter,.add-chapter{display:block;width:100%;text-align:left;margin:8px 0;background:#251d2d;color:var(--ink);border:1px solid var(--border)}.chapter.active{background:linear-gradient(135deg,rgba(216,172,85,.3),rgba(187,71,109,.18));border-color:rgba(216,172,85,.55)}.add-chapter{color:#ffe0a3}.editor-actions,.cleanup-grid{display:flex;gap:10px;flex-wrap:wrap}.book-page{background:#f8f2e8;color:#241c18;border-radius:6px;min-height:520px;padding:28px;box-shadow:inset 0 0 0 1px rgba(0,0,0,.08)}.book-page h1,.book-page h2{font-family:Georgia,serif;color:#2a1c13}.book-page .footer{margin-top:30px;padding-top:12px;border-top:1px solid #d4c8b8;font-size:.75rem;color:#7a6d61}.dropzone{position:relative;border:2px dashed rgba(216,172,85,.55);border-radius:24px;min-height:160px;display:grid;place-content:center;text-align:center;gap:8px;background:rgba(216,172,85,.08);margin-bottom:14px}.dropzone input{position:absolute;inset:0;opacity:0;cursor:pointer}.dropzone span{color:var(--muted)}.asset-list{display:grid;gap:12px;max-height:520px;overflow:auto}.asset-card{display:grid;grid-template-columns:64px 1fr;gap:10px;align-items:center;background:rgba(255,255,255,.05);border:1px solid var(--border);border-radius:16px;padding:10px}.asset-card img{width:64px;height:64px;object-fit:cover;border-radius:12px}.asset-card small{color:var(--muted);word-break:break-word}.timeline-form{display:grid;grid-template-columns:180px 1fr 2fr;gap:12px}.timeline-list{margin-top:16px;display:grid;gap:10px}.timeline-item{display:grid;grid-template-columns:120px 1fr auto;gap:12px;align-items:center;padding:13px;border:1px solid var(--border);border-radius:16px;background:rgba(255,255,255,.05)}.danger-panel{border-color:rgba(255,79,94,.25)}.confirm-box{margin-top:16px}.help-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.help-grid div{padding:16px;border:1px solid var(--border);border-radius:18px;background:rgba(255,255,255,.04)}footer{text-align:center;display:grid;gap:6px;color:var(--muted);padding:34px;border-top:1px solid var(--border);background:#08070a}@media(max-width:1100px){.grid-section,.builder-layout{grid-template-columns:1fr}.settings-grid,.feature-strip,.help-grid{grid-template-columns:1fr 1fr}.section-list{position:static}.preview{order:3}}@media(max-width:680px){main{width:94vw}.settings-grid,.feature-strip,.help-grid,.timeline-form{grid-template-columns:1fr}.hero-actions,.editor-actions,.cleanup-grid{flex-direction:column}.panel-title-row{align-items:flex-start;flex-direction:column}.topnav{justify-content:flex-start;overflow:auto;flex-wrap:nowrap}.hero{min-height:520px}}