:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--primary: #ee2b7c;--bg-light: #fdfafb;--text-main: #1a1a1a;--text-muted: #666666;--premium-gold: #c5a059}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Manrope,Pretendard,sans-serif;background-color:var(--bg-light);color:var(--text-main)}.app-container{max-width:480px;margin:0 auto;min-height:100vh;background:#fff;position:relative;box-shadow:0 0 40px #00000005}.brand-logo{font-size:1.4rem;font-weight:900;letter-spacing:2px;color:var(--text-main)}.form-content{padding:2rem 1.5rem}.form-header h1{font-size:1.8rem;font-weight:900;line-height:1.3;margin-bottom:1rem}.input-stack{display:flex;flex-direction:column;gap:1.5rem;margin-top:2rem}.styled-input,.styled-select,.styled-textarea{width:100%;padding:1rem;border-radius:12px;border:1px solid #eee;background:#fcfcfc;font-size:1rem;font-family:inherit;transition:all .2s}.styled-input:focus,.styled-textarea:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px #ee2b7c0d}.input-row{display:flex;gap:.8rem}.half{flex:1}.styled-textarea{min-height:100px;resize:none}.btn-generate-premium{width:100%;background:var(--text-main);color:#fff;border:none;padding:1.2rem;border-radius:16px;font-size:1.1rem;font-weight:800;display:flex;align-items:center;justify-content:center;gap:.5rem;margin-top:2rem;cursor:pointer}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;text-align:center}.loading-text{margin-top:1.5rem;font-weight:700;line-height:1.5}.curation-tracks{padding:1.5rem;display:flex;flex-direction:column;gap:1.2rem}.track-card{padding:1.5rem;border-radius:20px;border:1px solid #eee}.track-header{display:flex;align-items:center;gap:.6rem;font-weight:800;margin-bottom:1rem}.standard{background:#fff}.premium{background:#1a1a1a;color:#fff;border-color:var(--premium-gold)}.premium .track-header{color:var(--premium-gold)}.track-body pre{white-space:pre-wrap;font-family:inherit;font-size:.95rem;line-height:1.6;opacity:.9}.stationery-container{background-color:#fff9fb;background-image:radial-gradient(rgba(238,43,124,.1) 1px,transparent 0);background-size:24px 24px;padding:2.5rem 1.5rem;border-radius:24px;border:1px solid rgba(238,43,124,.1)}.letter-body{font-family:Dancing Script,cursive;font-size:1.25rem;color:#333;line-height:1.8}.action-bar{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;padding:1.2rem;display:flex;gap:1rem;background:#ffffffe6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.btn-primary{flex:2;background:var(--primary);color:#fff;border:none;padding:1.1rem;border-radius:12px;font-weight:800;display:flex;align-items:center;justify-content:center;gap:.5rem}.btn-secondary{flex:1;background:#f0f0f0;color:#444;border:none;padding:1.1rem;border-radius:12px;font-weight:800;display:flex;align-items:center;justify-content:center;gap:.5rem}.navbar{display:flex;justify-content:space-between;padding:1.2rem;align-items:center;border-bottom:1px solid #f0f0f0}.nav-title{font-size:1rem;font-weight:800}.nav-icon-btn{background:none;border:none;cursor:pointer}.pulse{animation:pulse 1.5s infinite}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.1)}to{transform:scale(1)}}