:root{--primary: #4f46e5;--primary-hover: #4338ca;--bg-light: #f8fafc;--bg-white: #ffffff;--glass-bg: rgba(255, 255, 255, .8);--glass-border: rgba(0, 0, 0, .05);--text-main: #1e293b;--text-muted: #64748b;--accent: #059669}*{margin:0;padding:0;box-sizing:border-box;font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}body{background-color:var(--bg-light);color:var(--text-main);min-height:100vh;display:flex;justify-content:center;align-items:center;background-image:radial-gradient(circle at 10% 10%,rgba(79,70,229,.05) 0%,transparent 30%),radial-gradient(circle at 90% 90%,rgba(5,150,105,.03) 0%,transparent 30%);overflow-x:hidden}#root{width:100%;max-width:600px;padding:20px}.glass-card{background:var(--bg-white);border:1px solid var(--glass-border);border-radius:24px;padding:40px;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}h1.title{font-size:2.5rem;font-weight:850;text-align:center;margin-bottom:8px;color:var(--text-main);letter-spacing:-.025em}.subtitle{text-align:center;color:var(--text-muted);margin-bottom:40px;font-size:1rem;font-weight:500}.upload-zone{border:2px dashed #cbd5e1;border-radius:24px;padding:48px 24px;text-align:center;transition:all .3s cubic-bezier(.4,0,.2,1);background:#f8fafc}.upload-zone.dragging{border-color:var(--primary);background:#eef2ff;border-style:solid}.upload-btn{background:#fff;color:var(--primary);border:1px solid #e2e8f0;padding:10px 24px;border-radius:12px;font-weight:700;font-size:.95rem;cursor:pointer;transition:all .2s ease;box-shadow:0 4px 6px -1px #0000000d}.upload-btn:hover{background:#f8fafc;border-color:#cbd5e1;transform:translateY(-1px)}.upload-icon{width:48px;height:48px;color:var(--primary);margin-bottom:16px}.options-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:24px 0}.ml-1{margin-left:.25rem}.mx-1{margin-left:.25rem;margin-right:.25rem}.info-badge{padding:8px 16px;border-radius:12px;font-size:.75rem;font-weight:700;display:flex;flex-wrap:wrap;align-items:center;gap:4px;max-width:100%}.total-info{background:#e0f2fe;color:#0369a1;border:1px solid #bae6fd}.part-info{background:#eef2ff;color:#4338ca;border:1px solid #e0e7ff}.flex-wrap{flex-wrap:wrap}.gap-2{gap:.5rem}.option-btn{background:#fff;border:1px solid #e2e8f0;color:var(--text-main);padding:12px;border-radius:12px;cursor:pointer;font-weight:600;transition:all .2s ease}.option-btn:hover{background:#f8fafc}.option-btn.active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 4px 12px #4f46e533}.split-btn{width:100%;padding:16px;border-radius:16px;background:linear-gradient(45deg,var(--primary),#6366f1);border:none;color:#fff;font-size:1.1rem;font-weight:700;cursor:pointer;transition:all .3s ease;display:flex;justify-content:center;align-items:center;gap:8px}.split-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 10px 15px -3px #4f46e54d}.split-btn:disabled{opacity:.5;background:#cbd5e1;cursor:not-allowed}.progress-container{margin-top:32px}.progress-bar{height:8px;background:#e2e8f0;border-radius:4px;overflow:hidden}.progress-fill{height:100%;background:var(--primary);transition:width .3s ease}.status-text{font-size:.9rem;color:var(--text-muted);margin-bottom:8px;text-align:center}.result-item{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#f8fafc;border-radius:12px;border:1px solid #e2e8f0;margin-bottom:8px}.font-black{font-weight:900}@media(max-width:480px){#root{padding:10px}.glass-card{padding:20px 16px}h1.title{font-size:1.8rem}.subtitle{font-size:.9rem;margin-bottom:24px}.upload-zone{padding:32px 16px}.info-badge{padding:6px 12px;font-size:.7rem;width:100%;justify-content:center}.options-grid{grid-template-columns:repeat(4,1fr)}.option-btn{padding:10px 4px;font-size:.85rem}}