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-webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#f5f7fa}.app{display:flex;min-height:100vh}.sidebar{width:220px;background:#1a1a2e;color:#fff;display:flex;flex-direction:column;padding:20px 0}.sidebar .logo{padding:0 20px 20px;border-bottom:1px solid #333}.sidebar .logo h2{color:#4ecdc4}.sidebar ul{list-style:none;flex:1;padding:20px 0}.sidebar li a{display:block;padding:12px 20px;color:#aaa;text-decoration:none;transition:all .2s}.sidebar li a:hover,.sidebar li a.active{background:#16213e;color:#4ecdc4;border-left:3px solid #4ecdc4}.sidebar .language-toggle{padding:10px 20px;border-top:1px solid #333}.sidebar .lang-btn{width:100%;background:#16213e;color:#4ecdc4;border:1px solid #4ecdc4;padding:8px 12px;border-radius:4px;cursor:pointer;font-size:14px;transition:all .2s}.sidebar .lang-btn:hover{background:#4ecdc4;color:#1a1a2e}.sidebar .user-info{padding:20px;border-top:1px solid #333;display:flex;justify-content:space-between;align-items:center}.sidebar .user-info button{background:#e94560;color:#fff;border:none;padding:6px 12px;border-radius:4px;cursor:pointer}.content{flex:1;padding:30px;overflow-y:auto}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.page-header h1{color:#1a1a2e}.btn{padding:10px 20px;border:none;border-radius:6px;cursor:pointer;font-size:14px;transition:all .2s}.btn-primary{background:#4ecdc4;color:#fff}.btn-primary:hover{background:#3db8b0}.btn-secondary{background:#6c757d;color:#fff}.btn-danger{background:#e94560;color:#fff}.card{background:#fff;border-radius:10px;box-shadow:0 2px 10px #0000000d;padding:24px;margin-bottom:20px}.form-group{margin-bottom:16px}.form-group 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h2{margin-bottom:20px;color:#1a1a2e}.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1a1a2e,#16213e)}.login-box{background:#fff;padding:40px;border-radius:10px;width:400px;box-shadow:0 10px 40px #0003}.login-box h1{text-align:center;margin-bottom:30px;color:#1a1a2e}.error-msg{background:#ffe6e6;color:#c00;padding:10px;border-radius:6px;margin-bottom:16px}.success-msg{background:#e6ffe6;color:#060;padding:10px;border-radius:6px;margin-bottom:16px}.status-badge{padding:4px 8px;border-radius:4px;font-size:12px;font-weight:500}.status-available{background:#d4edda;color:#155724}.status-recalled{background:#f8d7da;color:#721c24}.json-editor{font-family:monospace;min-height:200px}.log-entry{padding:12px;border-bottom:1px solid #eee}.log-entry:hover{background:#f8f9fa}.log-action{font-weight:600;color:#4ecdc4}.log-time{color:#888;font-size:12px}.user-role-badge{padding:10px 20px;border-top:1px solid #333}.role-indicator{display:block;padding:6px 12px;border-radius:4px;font-size:12px;font-weight:500;text-align:center;text-transform:uppercase}.role-indicator.super_admin{background:#6f42c1;color:#fff}.role-indicator.admin{background:#007bff;color:#fff}.role-indicator.manager{background:#28a745;color:#fff}.role-indicator.cashier{background:#17a2b8;color:#fff}.role-indicator{background:#6c757d;color:#fff}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#1a1a2e,#16213e);color:#fff}.loading-spinner{width:50px;height:50px;border:4px solid rgba(255,255,255,.3);border-top-color:#4ecdc4;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:20px}@keyframes spin{to{transform:rotate(360deg)}}