:root{--bg: #0f0e17;--surface: #1a1928;--surface-2: #242338;--border: rgba(255, 255, 255, .08);--text: #f4f0ff;--muted: #9b94b8;--accent: #ff6b9d;--accent-2: #ffc857;--accent-glow: rgba(255, 107, 157, .35);--radius: 20px;font-family:Pretendard,Apple SD Gothic Neo,system-ui,-apple-system,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:var(--bg);color:var(--text)}button{font:inherit;cursor:pointer}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.page{min-height:100vh;max-width:1100px;margin:0 auto;padding:32px 20px 48px}.hero{text-align:center;margin-bottom:36px}.hero-badge{display:inline-block;padding:6px 14px;border-radius:999px;background:var(--surface-2);border:1px solid var(--border);color:var(--accent-2);font-size:.82rem;font-weight:700;margin-bottom:16px}.hero h1{margin:0 0 12px;font-size:clamp(1.8rem,5vw,2.6rem);font-weight:900;letter-spacing:-.02em;background:linear-gradient(135deg,#fff 30%,var(--accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero p{margin:0 auto;max-width:480px;color:var(--muted);font-size:1rem;line-height:1.55}.workspace{display:grid;grid-template-columns:1fr 340px;gap:20px;align-items:start}.preview-card{position:relative;aspect-ratio:1;border-radius:var(--radius);border:2px dashed var(--border);background:linear-gradient(45deg,rgba(255,255,255,.03) 25%,transparent 25%),linear-gradient(-45deg,rgba(255,255,255,.03) 25%,transparent 25%),linear-gradient(45deg,transparent 75%,rgba(255,255,255,.03) 75%),linear-gradient(-45deg,transparent 75%,rgba(255,255,255,.03) 75%),var(--surface);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0;overflow:hidden;transition:border-color .2s,box-shadow .2s}.preview-card.drag-over{border-color:var(--accent);box-shadow:0 0 0 4px 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figcaption{margin-top:4px;font-size:.65rem;color:var(--muted)}.boot-screen{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(ellipse at 30% 20%,rgba(255,107,157,.15),transparent 50%),radial-gradient(ellipse at 70% 80%,rgba(255,200,87,.1),transparent 50%),var(--bg)}.boot-card{width:min(100%,420px);padding:36px 28px;border-radius:24px;border:1px solid var(--border);background:var(--surface);text-align:center}.boot-icon{width:72px;height:72px;margin:0 auto 20px;display:grid;place-items:center;border-radius:50%;background:var(--surface-2);font-size:2rem;animation:boot-pulse 1.6s ease-in-out infinite}@keyframes boot-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.08)}}.boot-card h1{margin:0 0 8px;font-size:1.35rem;font-weight:900}.boot-message{margin:0;color:var(--text);font-weight:700;font-size:.95rem}.boot-detail{margin:6px 0 0;color:var(--muted);font-size:.82rem}.boot-progress-track{height:8px;margin:24px 0 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