:root{--primary:#4338ca;--primary-hover:#3730a3;--bg-color:#f7f6f3;--card-bg:#ffffffb3;--text-primary:#18181b;--text-secondary:#71717a;--border-color:#00000014}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);-webkit-font-smoothing:antialiased;background-image:radial-gradient(circle at 18% 8%,#eab3081a 0,#0000 32%),radial-gradient(circle at 82% 16%,#3b82f61a 0,#0000 30%);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.navbar{justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:1.5rem 2rem;display:flex}.logo{align-items:center;gap:.5rem;font-size:1.25rem;font-weight:700;display:flex}.logo-icon{color:#fff;background:#000;border-radius:8px;justify-content:center;align-items:center;width:32px;height:32px;font-size:1rem;display:flex}.hero{text-align:center;max-width:900px;margin:0 auto;padding:4rem 1rem}.hero h1{letter-spacing:-.02em;color:#000;margin-bottom:1.5rem;font-size:4rem;font-weight:800;line-height:1.1}.hero-highlight{color:#37352f;background:#fff4bd;border-radius:12px;padding:.2rem .6rem;box-shadow:inset 0 -.1em #ffdf6659}.hero p{color:var(--text-secondary);max-width:600px;margin:0 auto;font-size:1.25rem;line-height:1.6}.playground{max-width:800px;margin:0 auto 4rem;padding:0 1rem;position:relative}.tab-container{border:1px solid var(--border-color);background:#fbfaf7;border-radius:999px;width:max-content;margin:0 auto 2rem;padding:.35rem;display:flex;box-shadow:0 12px 40px #0000000f}.tab-btn{cursor:pointer;color:var(--text-secondary);background:0 0;border:none;border-radius:999px;align-items:center;gap:.5rem;padding:.6rem 1.5rem;font-size:.9rem;font-weight:600;transition:all .2s;display:flex}.tab-btn.active{background:var(--primary);color:#fff;box-shadow:0 4px 16px #0000001a}.glass-card{background:var(--card-bg);-webkit-backdrop-filter:blur(24px);border:1px solid #fff6;border-radius:2.5rem;padding:2.5rem;box-shadow:0 24px 80px #0000000f}.card-title{text-transform:uppercase;letter-spacing:.1em;color:var(--primary);margin-bottom:1rem;font-size:.75rem;font-weight:800}.input-container{border:1px solid var(--border-color);background:#ffffff80;border-radius:1.5rem;margin-bottom:1.5rem;padding:1.5rem;transition:all .2s}.input-container:focus-within{background:#fff;border-color:#4338ca4d;box-shadow:0 0 0 4px #4338ca0d}.text-input{resize:none;width:100%;min-height:120px;color:var(--text-primary);background:0 0;border:none;outline:none;font-size:1.1rem}.text-input::placeholder{color:#a1a1aa}.upload-box{text-align:center;cursor:pointer;background:#fff6;border:2px dashed #d4d4d8;border-radius:1rem;padding:2rem;transition:all .2s}.upload-box:hover{border-color:var(--primary);background:#fff}.btn-generate{color:#a1a1aa;letter-spacing:.05em;text-transform:uppercase;cursor:pointer;background:#f4f4f5;border:none;border-radius:1.25rem;width:100%;padding:1.2rem;font-size:1rem;font-weight:700;transition:all .2s}.btn-generate.ready{background:var(--text-primary);color:#fff}.btn-generate.ready:hover{background:#000;transform:translateY(-1px)}@media (width>=768px){.playground-grid{grid-template-columns:1.6fr 1fr;gap:2rem;display:grid}}