:root{--primary: #1a365d;--gold: #ffd700;--bg: #f8fafc;--white: #ffffff;--border: #cbd5e0;--success: #2f855a;--error: #c53030}.App{max-width:1000px;margin:0 auto;padding:15px;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:var(--bg)}.App-header{background:var(--primary);color:#fff;padding:30px;border-radius:15px;text-align:center;margin-bottom:25px;box-shadow:0 4px 6px #0000001a}.master-code-badge{background:var(--gold);color:var(--primary);padding:8px 20px;border-radius:50px;font-weight:800;display:inline-block;margin-top:10px;font-size:1.1rem}.page-container{background:var(--white);padding:30px 20px;border-radius:20px;box-shadow:0 10px 25px #0000000d;min-height:600px}.main-step-title{text-align:center;color:var(--primary);text-transform:uppercase;border-bottom:3px solid var(--gold);padding-bottom:10px;margin-bottom:30px;letter-spacing:1px}.detail-card{margin-top:20px;background:#f1f5f9;padding:20px;border-radius:15px;border:1px solid var(--border)}.input-label{display:block;font-weight:700;margin:20px 0 10px;color:var(--primary);font-size:1.1rem}.chip-grid{display:flex;flex-wrap:wrap;gap:10px;margin:10px 0 20px}.chip{flex:1 1 calc(33.33% - 10px);height:60px;border:2px solid var(--border);background:#fff;border-radius:12px;cursor:pointer;font-weight:700;font-size:1.1rem;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.chip-wide{flex:1 1 calc(50% - 10px)}.chip.active{background-color:var(--primary);color:#fff;border-color:var(--primary);transform:scale(.98)}input,select,textarea{width:100%;min-height:55px;padding:12px 15px;border:2px solid var(--border);border-radius:12px;box-sizing:border-box;font-size:16px!important;background-color:#fff;transition:border-color .2s}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);border-width:2px}.radio-group{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:15px}.radio-group button{flex:1;min-width:100px;height:55px;border:2px solid var(--border);background:#fff;border-radius:12px;cursor:pointer;font-weight:700;font-size:1rem}.radio-group button.active{background-color:var(--primary);color:#fff;border-color:var(--primary)}.radio-group.mini button{height:45px;font-size:.9rem}.room-section{margin-bottom:50px;border-bottom:2px solid #e2e8f0;padding-bottom:40px}.room-title{background:var(--primary);color:#fff;padding:18px;border-radius:12px;margin-bottom:20px;font-size:1.3rem;letter-spacing:.5px}.item-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:15px}.inventory-card{border:2px solid var(--border);border-radius:15px;padding:15px;text-align:center;background:#fff;transition:all .3s ease}.inventory-card.active{border-color:var(--primary);background:#f0f7ff;box-shadow:0 4px 12px #1a365d1a}.counter-controls{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:12px}.count-btn{width:45px;height:45px;border-radius:12px;border:none;font-size:1.4rem;font-weight:700;cursor:pointer;transition:transform .1s}.count-btn:active{transform:scale(.9)}.minus{background:#fee2e2;color:var(--error)}.plus{background:#dcfce7;color:var(--success)}.count-display{font-size:1.2rem;font-weight:800;min-width:25px}.upload-container{margin-top:20px}.upload-btn{display:flex;align-items:center;justify-content:center;gap:10px;padding:15px;background:#f8fafc;border:2px dashed var(--primary);border-radius:12px;cursor:pointer;color:var(--primary);font-weight:700;width:100%;box-sizing:border-box;transition:background .2s}.upload-btn:hover{background:#edf2f7}.next-button,.submit-button{width:100%;padding:20px;border-radius:15px;border:none;font-size:1.2rem;font-weight:800;cursor:pointer;color:#fff;margin-top:30px;box-shadow:0 4px 6px #0000001a}.next-button{background:var(--primary)}.submit-button{background:var(--success)}.back-link{background:none;border:none;color:#64748}