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91, .15);--shadow-lg: 0 8px 16px rgba(88, 89, 91, .2);--font-primary: "Segoe UI", "Helvetica Neue", Arial, sans-serif;--font-heading: "Segoe UI", "Helvetica Neue", Arial, sans-serif}.btn-primary{background:linear-gradient(135deg,var(--ut-orange) 0%,var(--ut-orange-dark) 100%);color:var(--text-white);border:none;box-shadow:var(--shadow-md);transition:all .3s ease}.btn-primary:hover:not(:disabled){background:linear-gradient(135deg,var(--ut-orange-dark) 0%,#CC5C00 100%);box-shadow:var(--shadow-lg);transform:translateY(-1px)}.btn-primary:disabled{background:var(--smokey-grey-light);cursor:not-allowed;opacity:.6}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary);border:2px solid var(--border-color);transition:all .3s ease}.btn-secondary:hover:not(:disabled){background:var(--smokey-grey);color:var(--text-white);border-color:var(--smokey-grey);transform:translateY(-1px)}.top-banner{background:linear-gradient(135deg,var(--smokey-grey) 0%,var(--smokey-grey-dark) 100%);box-shadow:var(--shadow-md)}.top-banner h1{color:var(--text-white);font-family:var(--font-heading);font-weight:600;text-shadow:0 2px 4px rgba(0,0,0,.2)}.top-banner p{color:#ffffffe6}.side-panel{background:var(--bg-primary);border-right:3px solid var(--ut-orange);box-shadow:var(--shadow-md)}.side-panel button{color:var(--text-primary);transition:all .3s ease}.side-panel button:hover{background:var(--bg-accent);color:var(--ut-orange);border-left:4px solid var(--ut-orange)}.side-panel button.active{background:var(--ut-orange);color:var(--text-white);font-weight:600}.form-section{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:8px;box-shadow:var(--shadow-sm)}.form-section h2{color:var(--ut-orange);font-family:var(--font-heading);border-bottom:3px solid var(--ut-orange);padding-bottom:12px}.form-section h3{color:var(--smokey-grey);font-weight:600}input[type=text],input[type=number],input[type=email],input[type=password],textarea,select{border:2px solid var(--border-color);transition:all .3s ease}input[type=text]:focus,input[type=number]:focus,input[type=email]:focus,input[type=password]:focus,textarea:focus,select:focus{border-color:var(--ut-orange);outline:none;box-shadow:0 0 0 3px #ff82001a}input[type=checkbox]:checked{background-color:var(--ut-orange);border-color:var(--ut-orange)}.optimization-progress{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;padding:15px}.optimization-progress>div:first-child{color:var(--text-secondary);font-weight:500}.best-config{background:linear-gradient(135deg,var(--bg-accent) 0%,#FFFFFF 100%);border:2px solid var(--ut-orange);border-radius:8px;padding:20px;box-shadow:var(--shadow-md)}.config-card{background:var(--bg-primary);border-radius:6px;padding:15px;box-shadow:var(--shadow-sm)}.config-label{color:var(--text-secondary);font-weight:600}.config-value{color:var(--ut-orange);font-weight:700;font-size:1.1em}table{border-collapse:collapse;box-shadow:var(--shadow-sm)}thead{background:linear-gradient(135deg,var(--smokey-grey) 0%,var(--smokey-grey-dark) 100%);color:var(--text-white)}thead th{font-weight:600;text-transform:uppercase;letter-spacing:.5px}tbody tr:hover{background:var(--bg-accent)}tbody tr:nth-child(2n){background:var(--bg-secondary)}.success-banner{background:linear-gradient(135deg,#4caf50,#45a049);color:var(--text-white);box-shadow:var(--shadow-lg)}.error-message{background:linear-gradient(135deg,#f44336,#d32f2f);color:var(--text-white);box-shadow:var(--shadow-md)}.required{color:var(--ut-orange)}.field-hint{color:var(--text-light);font-style:italic}::-webkit-scrollbar{width:12px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--smokey-grey-light);border-radius:6px}::-webkit-scrollbar-thumb:hover{background:var(--ut-orange)}@media (max-width: 768px){.top-banner h1{font-size:1.5rem}.form-section{margin:10px}}.theme-utk{--primary-color: #FF8200;--primary-hover: #E67300;--primary-light: #FFA040;--secondary-color: #58595B;--secondary-hover: #404142;--secondary-light: #808285;--accent-color: #00746F;--accent-hover: #005A56;--background: #FFFFFF;--surface: #F8F9FA;--surface-hover: #E9ECEF;--text-primary: #2C3E50;--text-secondary: #58595B;--text-muted: #808285;--text-inverse: #FFFFFF;--success: #28A745;--success-light: #D4EDDA;--warning: #FFC107;--warning-light: #FFF3CD;--error: #DC3545;--error-light: #F8D7DA;--info: #17A2B8;--info-light: #D1ECF1;--border-color: #DEE2E6;--border-hover: #ADB5BD;--shadow-sm: rgba(88, 89, 91, .075);--shadow-md: rgba(88, 89, 91, .15);--shadow-lg: rgba(88, 89, 91, .25);--gradient-primary: linear-gradient(135deg, #FF8200 0%, #E67300 100%);--gradient-secondary: linear-gradient(135deg, #58595B 0%, #404142 100%);--gradient-background: linear-gradient(135deg, #F8F9FA 0%, #E9ECEF 100%)}.theme-utk .btn-primary,.theme-utk button.btn-primary{background:var(--gradient-primary);color:var(--text-inverse);border:none}.theme-utk .btn-primary:hover,.theme-utk button.btn-primary:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 4px 12px #ff82004d}.theme-utk .btn-secondary,.theme-utk button.btn-secondary{background:var(--gradient-secondary);color:var(--text-inverse);border:none}.theme-utk .btn-secondary:hover,.theme-utk button.btn-secondary:hover{background:var(--secondary-hover);transform:translateY(-2px);box-shadow:0 4px 12px #58595b4d}.theme-utk a{color:var(--primary-color)}.theme-utk a:hover{color:var(--primary-hover);text-decoration:underline}.theme-utk .card,.theme-utk .panel,.theme-utk .modal{background:var(--surface);border:1px solid var(--border-color);box-shadow:0 2px 8px var(--shadow-sm)}.theme-utk input,.theme-utk textarea,.theme-utk select{border:1px solid var(--border-color);background:var(--background);color:var(--text-primary)}.theme-utk input:focus,.theme-utk textarea:focus,.theme-utk select:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #ff82001a;outline:none}.theme-utk .top-banner,.theme-utk .header{background:var(--gradient-primary);color:var(--text-inverse)}.theme-utk .side-panel{background:var(--surface);border-right:1px solid var(--border-color)}.theme-utk .side-panel-button{color:var(--text-secondary)}.theme-utk .side-panel-button:hover{background:var(--surface-hover);color:var(--primary-color)}.theme-utk .side-panel-button.active{background:var(--primary-light);color:var(--text-inverse)}.theme-utk .user-message .message-bubble{background:var(--gradient-primary);color:var(--text-inverse)}.theme-utk .assistant-message .message-bubble{background:var(--surface);color:var(--text-primary);border:1px solid var(--border-color)}.theme-utk .progress-bar-fill{background:var(--gradient-primary)}.theme-utk .badge{background:var(--primary-color);color:var(--text-inverse)}.theme-utk ::-webkit-scrollbar-thumb{background:var(--secondary-color)}.theme-utk ::-webkit-scrollbar-thumb:hover{background:var(--secondary-hover)}