:root{--max-width: 1000px;--primary: #4f46e5;--primary-hover: #4338ca;--bg: #f8fafc;--text-main: #0f172a;--text-muted: #64748b;--card-bg: #ffffff;--border: #e2e8f0;--radius: 16px;--shadow: 0 10px 25px -5px rgba(0, 0, 0, .05), 0 8px 10px -6px rgba(0, 0, 0, .05);font-family:Pretendard,-apple-system,BlinkMacSystemFont,system-ui,Roboto,sans-serif}body{display:flex;justify-content:center;padding:40px 20px;background-color:var(--bg);color:var(--text-main);margin:0;line-height:1.6}.container{max-width:var(--max-width);width:100%;background:var(--card-bg);padding:60px;border-radius:var(--radius);box-shadow:var(--shadow)}header{margin-bottom:48px;text-align:center}header h1{margin:0 0 12px;font-size:36px;font-weight:800;letter-spacing:-.025em;background:linear-gradient(to right,#4f46e5,#9333ea);-webkit-background-clip:text;-webkit-text-fill-color:transparent}header p{margin:0;color:var(--text-muted);font-size:18px}nav{display:flex;gap:8px;justify-content:center;background:#f1f5f9;padding:6px;border-radius:12px;width:fit-content;margin:32px auto}nav button{background:transparent;border:none;padding:8px 20px;font-size:15px;color:var(--text-muted);cursor:pointer;font-weight:600;border-radius:8px;transition:all .2s}nav button:hover{color:var(--text-main)}nav button.active{background:#fff;color:var(--primary);box-shadow:0 1px 3px #0000001a}.content-section{animation:slideUp .4s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}h2{font-size:24px;font-weight:700;margin-top:0;color:var(--text-main)}h3{font-size:18px;font-weight:600}.dropzone{border:2px dashed var(--border);padding:60px 20px;border-radius:var(--radius);display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:240px;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);background:#fdfdfd}.dropzone:hover{border-color:var(--primary);background:#f5f3ff;transform:translateY(-2px)}.dropzone p{color:var(--text-muted);margin:12px 0 0;font-size:15px}.preview,.rec-image{max-width:240px;max-height:320px;object-fit:cover;border-radius:12px;box-shadow:0 20px 25px -5px #0000001a}.form-row{display:flex;gap:20px;align-items:flex-end;margin-top:32px;padding:24px;background:#f8fafc;border-radius:var(--radius)}.form-row label{display:flex;flex-direction:column;font-size:13px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;flex:1}.form-row input{padding:12px 16px;border:1px solid var(--border);border-radius:10px;width:100%;margin-top:8px;font-size:16px;transition:border-color .2s}.form-row input:focus{outline:none;border-color:var(--primary);ring:2px solid var(--primary-hover)}.form-row button{padding:14px 32px;background:var(--primary);color:#fff;border:none;border-radius:10px;cursor:pointer;font-weight:700;font-size:16px;transition:all .2s;box-shadow:0 4px 6px -1px #4f46e533}.form-row button:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 10px 15px -3px #4f46e54d}.form-row button:disabled{background:#94a3b8;cursor:wait}.recommendation{margin-top:40px;background:#fff;padding:32px;border-radius:var(--radius);border:1px solid var(--border)}.recommendation h3{margin-bottom:20px;display:flex;align-items:center;gap:8px;color:var(--primary)}.recommendation ul{margin:0;padding:0;list-style:none}.recommendation li{padding:12px 16px;background:#f8fafc;margin-bottom:12px;border-radius:10px;border-left:4px solid var(--primary);color:#334155;font-weight:500}.info-section{background:linear-gradient(135deg,#f5f3ff,#eff6ff);padding:40px;border-radius:var(--radius)}footer{margin-top:60px;padding-top:32px;border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;color:var(--text-muted)}@media (max-width: 768px){.container{padding:30px 20px}.form-row{flex-direction:column;align-items:stretch}header h1{font-size:28px}}