:root{--bg:#f7f8fa;--surface:#fff;--text:#111827;--muted:#6b7280;--line:#e5e7eb;--accent:#00a4a6;--dark:#07111f;--purple:#4f46e5}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,Arial,sans-serif}.topbar{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 28px;background:rgba(255,255,255,.88);backdrop-filter:blur(18px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}.brand{display:flex;align-items:center;gap:10px;font-weight:800}.brand-mark{color:var(--accent)}.brand em{font-size:11px;background:#ede9fe;color:#6d28d9;border-radius:7px;padding:3px 6px}.limit-pill{font-size:13px;border:1px solid var(--line);padding:9px 14px;border-radius:999px;background:#fff}main{max-width:1280px;margin:0 auto;padding:32px}.hero{display:grid;grid-template-columns:1fr 560px;gap:34px;align-items:center;min-height:calc(100vh - 136px)}.hero-copy{background:radial-gradient(circle at 75% 20%,rgba(0,164,166,.28),transparent 30%),linear-gradient(145deg,#07111f,#0b1d35);color:#fff;border-radius:32px;padding:70px;min-height:590px;display:flex;flex-direction:column;justify-content:center;overflow:hidden;position:relative}.hero-copy:after{content:"";position:absolute;inset:auto -12% -20% 20%;height:260px;border:1px solid rgba(0,255,235,.18);transform:rotate(-18deg);border-radius:60px}.eyebrow{color:#99f6e4;font-size:14px;margin-bottom:18px}.hero h1{font-size:58px;line-height:1.02;margin:0 0 18px;letter-spacing:-2px}.hero h1 span{color:#2dd4bf}.hero p{max-width:620px;color:#d1d5db;font-size:18px;line-height:1.7}.creator-card{background:var(--surface);border:1px solid var(--line);border-radius:28px;padding:28px;box-shadow:0 20px 60px rgba(15,23,42,.07)}label{display:block;font-size:13px;font-weight:750;margin:0 0 8px;color:#374151}textarea,input,select{width:100%;border:1px solid var(--line);border-radius:14px;padding:14px 15px;font:inherit;background:#fbfdff;outline:none}textarea{height:112px;resize:vertical}.grid-2,.grid-3{display:grid;gap:14px;margin-top:16px}.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:1fr 1fr 1fr}.mode-tabs{display:flex;gap:10px;margin:18px 0}.mode-tabs label{flex:1;border:1px solid var(--line);border-radius:14px;padding:13px;background:#fff;margin:0}.repurpose-box{display:none;margin-bottom:16px}.generate-btn{border:0;background:linear-gradient(135deg,var(--accent),var(--purple));color:#fff;border-radius:16px;padding:16px 22px;font-weight:850;cursor:pointer;box-shadow:0 12px 30px rgba(79,70,229,.18);display:inline-flex;text-decoration:none;align-items:center;justify-content:center}.generate-btn.slim{height:48px}.small-note{font-size:12px;color:var(--muted);line-height:1.55}.features{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:34px}.features div{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px}.features b{display:block;margin-bottom:8px}.features span{color:var(--muted);font-size:14px;line-height:1.5}.result-head{display:flex;justify-content:space-between;align-items:center;background:#fff;border:1px solid var(--line);border-radius:26px;padding:28px;margin-bottom:24px}.result-head h1{margin:0 0 8px;font-size:34px}.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.asset-card{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:0 14px 35px rgba(15,23,42,.05)}.asset-preview{background:#e5e7eb;height:330px;display:flex;align-items:center;justify-content:center}.asset-preview img{width:100%;height:100%;object-fit:cover}.asset-meta{display:flex;gap:6px;padding:14px 16px 0;flex-wrap:wrap}.asset-meta span{background:#f0fdfa;color:#0f766e;border-radius:999px;padding:5px 9px;font-size:11px;font-weight:800}.asset-card h3{padding:0 16px;margin:12px 0 4px}.asset-card p{padding:0 16px;color:var(--muted);font-size:14px;line-height:1.5}.asset-actions{display:flex;gap:10px;padding:16px}.asset-actions a{flex:1;text-align:center;border:1px solid var(--line);border-radius:12px;padding:10px;text-decoration:none;color:var(--text);font-weight:750}.asset-actions a:first-child{background:#111827;color:#fff}@media(max-width:980px){main{padding:18px}.hero{grid-template-columns:1fr}.hero-copy{padding:36px;min-height:420px}.hero h1{font-size:40px}.grid-2,.grid-3,.features,.gallery{grid-template-columns:1fr}.topbar{padding:0 16px}.limit-pill{display:none}}
.result-actions{display:flex;gap:12px;align-items:center}.ghost-btn{height:48px;border:1px solid var(--line);border-radius:16px;padding:0 18px;display:inline-flex;align-items:center;text-decoration:none;color:var(--text);font-weight:800;background:#fff}.summary-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-bottom:22px}.summary-strip div{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px}.summary-strip b{display:block;font-size:18px}.summary-strip span{display:block;color:var(--muted);font-size:12px;margin-top:4px}.disabled-link{flex:1;text-align:center;border:1px dashed var(--line);border-radius:12px;padding:10px;color:var(--muted);font-weight:750}@media(max-width:980px){.summary-strip{grid-template-columns:1fr}.result-head{display:block}.result-actions{margin-top:16px;flex-wrap:wrap}}

.brain-card{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:22px}.brain-card div{background:linear-gradient(135deg,#fff,#f0fdfa);border:1px solid var(--line);border-radius:18px;padding:16px}.brain-card b{display:block}.brain-card span{display:block;color:var(--muted);font-size:12px;margin-top:5px}@media(max-width:980px){.brain-card{grid-template-columns:1fr}}

/* V1.3 Campaign Intelligence */
.dna-panel{margin:24px auto;max-width:1180px;background:#fff;border:1px solid #e5e7eb;border-radius:28px;padding:24px;box-shadow:0 16px 48px rgba(15,23,42,.06)}
.dna-panel h2{margin:0 0 8px;font-size:24px}.dna-panel p{margin:0;color:#64748b;line-height:1.6}.dna-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.dna-tags span{padding:9px 12px;border-radius:999px;background:#ecfeff;color:#0f766e;font-weight:700;font-size:13px}
.brain-card{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}


/* V1.4 Smart Repurpose */
.repurpose-hints{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.repurpose-hints span{font-size:12px;font-weight:800;background:#eef2ff;color:#4338ca;border-radius:999px;padding:7px 10px}.repurpose-plan{background:#fff;border:1px solid var(--line);border-radius:26px;padding:24px;margin-bottom:22px}.repurpose-plan h2{margin:0 0 14px}.repurpose-plan p{color:var(--muted);line-height:1.6}.repurpose-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.repurpose-grid div{background:#f8fafc;border:1px solid var(--line);border-radius:16px;padding:14px}.repurpose-grid b{display:block}.repurpose-grid span{display:block;color:var(--muted);font-size:12px;margin-top:5px}@media(max-width:980px){.repurpose-grid{grid-template-columns:1fr}}