:root{color-scheme:dark;--bg:#101014;--panel:#1b1b22;--line:#37363e;--ink:#f5f2eb;--muted:#a7a5af;--accent:#c2abff}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit}button,textarea{font:inherit}button{cursor:pointer}[hidden]{display:none!important}
.preview-shell{width:min(100% - 40px,760px);margin:auto}.preview-top{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:32px 0 54px}.preview-top>a:last-child{font-size:14px;color:var(--muted);text-decoration:none}.preview-logo{font-size:23px;letter-spacing:-1px;font-weight:850;text-decoration:none}.preview-logo span{color:var(--accent);margin-left:5px}
main{min-height:62vh}.preview-eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.1em;font-weight:750;color:var(--accent);margin:0 0 18px}h1{font-size:clamp(36px,7.5vw,60px);font-weight:650;letter-spacing:-.055em;line-height:1.06;margin:0 0 22px}h1:focus{outline:none}.preview-lead{font-size:18px;color:var(--muted);line-height:1.6;margin:0 0 28px}.preview-form{padding:26px;background:var(--panel);border:1px solid var(--line);border-radius:22px;display:grid;gap:12px}.preview-form label{font-weight:650}.preview-form textarea{resize:vertical;min-height:138px;width:100%;border-radius:12px;border:1px solid #4a4852;padding:15px;background:#111116;color:var(--ink);line-height:1.5}.preview-form textarea::placeholder{color:#817e8d}.preview-hint,.preview-micro{font-size:12px;color:var(--muted);margin:0}.preview-micro{text-align:center}.preview-primary{display:flex;align-items:center;justify-content:center;gap:18px;min-height:54px;padding:14px 18px;border:0;border-radius:12px;background:var(--accent);color:#181021;font-weight:750;line-height:1.3;text-decoration:none}.preview-primary:hover{background:#d1bdff}.preview-primary span{font-size:22px;line-height:1}.preview-primary:disabled{cursor:wait;opacity:.6}button:focus-visible,a:focus-visible,textarea:focus-visible{outline:3px solid var(--accent);outline-offset:4px}
.preview-brief{padding-left:15px;border-left:2px solid var(--line);color:var(--muted);font-size:14px;overflow-wrap:anywhere;white-space:pre-wrap;margin:0 0 28px}.preview-ideas{display:grid;gap:14px}.preview-idea{padding:24px;border:1px solid var(--line);border-radius:18px;background:var(--panel)}.preview-number{color:var(--accent);font-size:12px;letter-spacing:.08em;margin:0 0 10px}.preview-idea h2{font-size:23px;font-weight:650;letter-spacing:-.03em;line-height:1.25;margin:0 0 12px;overflow-wrap:anywhere}.preview-idea>p:not(.preview-number){color:var(--muted);font-size:15px;margin:0 0 22px;overflow-wrap:anywhere}.preview-idea button{width:100%;min-height:48px}.preview-back{display:inline-block;background:none;border:0;padding:14px 0;color:var(--muted);font-size:14px;text-decoration:underline;text-underline-offset:4px;margin-top:10px}.preview-error{padding:16px;margin-top:20px;border:1px solid #a45269;background:#291d25;border-radius:12px;color:#ffd0dc;overflow-wrap:anywhere}.preview-waiting{padding:24px 0}.preview-spinner{display:block;width:34px;height:34px;margin:0 0 30px;border:2px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:turn 1s linear infinite}@keyframes turn{to{transform:rotate(360deg)}}
.preview-footer{display:flex;flex-wrap:wrap;gap:22px;justify-content:space-between;margin:52px 0 0;padding:24px 0 calc(24px + env(safe-area-inset-bottom));border-top:1px solid var(--line);font-size:12px;color:var(--muted)}.preview-footer a{text-decoration:none}.preview-footer nav{display:flex;flex-wrap:wrap;gap:14px}
@media(max-width:520px){.preview-shell{width:calc(100% - 32px)}.preview-top{padding:24px 0 38px}.preview-lead{font-size:16px}.preview-lead br{display:none}.preview-form{padding:18px;border-radius:18px}.preview-idea{padding:20px}.preview-idea h2{font-size:21px}.preview-footer{margin-top:36px}.preview-hint{font-size:11px}}
@media(prefers-reduced-motion:reduce){.preview-spinner{animation:none;border-color:var(--accent)}}