*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #2196F3;--primary-dark: #1976D2;--success-color: #4CAF50;--error-color: #f44336;--warning-color: #FF9800;--info-color: #2196F3;--text-primary: #212121;--text-secondary: #757575;--background: #ffffff;--surface: #f5f5f5;--border-radius: 12px;--shadow: 0 2px 8px rgba(0, 0, 0, .1);--shadow-lg: 0 4px 16px rgba(0, 0, 0, .15)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background-color:var(--surface);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{max-width:600px;margin:0 auto;padding:20px;min-height:100vh;display:flex;flex-direction:column}.screen.hidden{display:none!important}header{text-align:center;padding:30px 20px;background:linear-gradient(135deg,var(--primary-color),var(--primary-dark));color:#fff;border-radius:var(--border-radius);margin-bottom:30px;box-shadow:var(--shadow-lg)}.main-header{padding:16px 20px 20px}.header-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.venue-name{font-size:.85rem;font-weight:500;opacity:.9}.logout-button{background:#fff3;border:1px solid rgba(255,255,255,.4);color:#fff;padding:6px 14px;border-radius:6px;font-size:.8rem;font-weight:500;cursor:pointer;transition:background .2s}.logout-button:hover{background:#ffffff4d}header h1{font-size:1.8rem;font-weight:700;margin-bottom:8px}.subtitle{font-size:.95rem;opacity:.9;font-weight:400}.login-form{display:flex;flex-direction:column;gap:16px;max-width:360px;margin:0 auto;padding:20px 0}.login-input{padding:16px 20px;border:2px solid #e0e0e0;border-radius:var(--border-radius);font-size:1.1rem;outline:none;transition:border-color .2s}.login-input:focus{border-color:var(--primary-color)}.login-button{padding:16px 24px;background:var(--primary-color);color:#fff;border:none;border-radius:var(--border-radius);font-size:1.1rem;font-weight:600;cursor:pointer;transition:background .2s}.login-button:hover{background:var(--primary-dark)}.login-button:disabled{opacity:.6;cursor:not-allowed}.login-error{text-align:center;color:var(--error-color);font-weight:500;font-size:.95rem}main{flex:1;display:flex;flex-direction:column;gap:24px}.buttons-container{display:flex;flex-direction:column;gap:16px}.action-button{display:flex;align-items:center;justify-content:center;gap:12px;padding:20px 24px;min-height:70px;border:none;border-radius:var(--border-radius);font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:var(--shadow);background-color:#fff;color:var(--text-primary)}.action-button:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.action-button:active{transform:translateY(0)}.button-icon{font-size:2rem}.button-text{font-size:1.1rem}.nfc-button:hover{background-color:#e3f2fd}.qr-button:hover{background-color:#f3e5f5}.manual-button:hover{background-color:#fff3e0}.checkout-result{text-align:center;padding:32px 24px}.checkout-result.authorized{border:3px solid var(--success-color);background-color:#e8f5e9}.checkout-result.not-authorized{border:3px solid var(--error-color);background-color:#ffebee}.checkout-icon{font-size:3rem;margin-bottom:12px}.checkout-status{font-size:1.3rem;font-weight:700;margin-bottom:8px}.authorized .checkout-status{color:#2e7d32}.not-authorized .checkout-status{color:#c62828}.checkout-message{font-size:1.1rem;color:var(--text-primary)}.checkout-uid{margin-top:12px;font-family:Courier New,monospace;font-size:.85rem;color:var(--text-secondary);background:#0000000d;padding:6px 12px;border-radius:6px;display:inline-block}.manual-modal-content{background:#fff;border-radius:var(--border-radius);padding:24px;max-width:400px}.manual-modal-content .modal-header{color:var(--text-primary);margin-bottom:16px}.manual-modal-content .close-button{color:var(--text-secondary)}.manual-form{display:flex;flex-direction:column;gap:12px}.manual-label{font-size:.85rem;font-weight:600;text-transform:uppercase;color:var(--text-secondary);letter-spacing:.5px}.manual-select,.manual-input{padding:14px 16px;border:2px solid #e0e0e0;border-radius:var(--border-radius);font-size:1rem;outline:none;transition:border-color .2s;background:#fff}.manual-select:focus,.manual-input:focus{border-color:var(--primary-color)}.status-message{padding:16px;border-radius:var(--border-radius);text-align:center;font-weight:500;transition:all .3s ease;min-height:52px;display:flex;align-items:center;justify-content:center}.status-message.success{background-color:#e8f5e9;color:#2e7d32;border:2px solid var(--success-color)}.status-message.error{background-color:#ffebee;color:#c62828;border:2px solid var(--error-color)}.status-message.info{background-color:#e3f2fd;color:#1565c0;border:2px solid var(--info-color)}.result-container{animation:fadeIn .3s ease}.result-card{background-color:#fff;border-radius:var(--border-radius);padding:24px;box-shadow:var(--shadow-lg)}.result-title{font-size:1.3rem;font-weight:600;margin-bottom:16px;color:var(--primary-color)}.result-content{margin-bottom:20px}.result-item{margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid #e0e0e0}.result-item:last-child{border-bottom:none;padding-bottom:0;margin-bottom:0}.result-item strong{display:block;font-size:.85rem;text-transform:uppercase;color:var(--text-secondary);margin-bottom:6px;letter-spacing:.5px}.result-item p{font-size:1rem;word-break:break-word}.result-data{font-family:Courier New,monospace;background-color:var(--surface);padding:12px;border-radius:6px;font-size:.95rem}.result-data a{color:var(--primary-color);text-decoration:none;font-weight:600}.result-data a:hover{text-decoration:underline}.result-actions{display:flex;gap:12px}.secondary-button{flex:1;padding:14px 20px;border:2px solid var(--primary-color);background-color:#fff;color:var(--primary-color);border-radius:var(--border-radius);font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease}.secondary-button:hover{background-color:var(--primary-color);color:#fff}.secondary-button:active{transform:scale(.98)}.modal{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#000000f2;z-index:1000;display:flex;align-items:center;justify-content:center;animation:fadeIn .3s ease}.modal-content{width:100%;max-width:500px;padding:20px;position:relative}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;color:#fff}.modal-header h2{font-size:1.3rem;font-weight:600}.close-button{background:none;border:none;color:#fff;font-size:2rem;cursor:pointer;padding:0;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background-color .3s ease}.close-button:hover{background-color:#ffffff1a}.scanner-container{position:relative;width:100%;aspect-ratio:1;border-radius:var(--border-radius);overflow:hidden;background-color:#000}.qr-video{width:100%;height:100%;object-fit:cover}.scanner-overlay{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;pointer-events:none}.scanner-frame{width:70%;height:70%;border:3px solid var(--success-color);border-radius:12px;box-shadow:0 0 0 9999px #00000080}.scanner-hint{text-align:center;color:#fff;margin-top:20px;font-size:1rem;font-weight:500}.loading{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#000000b3;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:999;color:#fff;gap:16px}.spinner{width:50px;height:50px;border:4px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite}.loading p{font-size:1.1rem;font-weight:500}.hidden{display:none!important}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}@media(min-width:768px){.buttons-container{flex-direction:row}.action-button{flex:1}header h1{font-size:2.2rem}.subtitle{font-size:1.1rem}}@supports (-webkit-touch-callout: none){body{padding-bottom:env(safe-area-inset-bottom)}}