:root{font-size:1.1rem;line-height:1.25;--color-gray-50: #f9fafb;--color-gray-100: #f3f4f6;--color-gray-200: #e5e7eb;--color-gray-300: #d1d5db;--color-gray-400: #9ca3af;--color-gray-500: #6b7280;--color-gray-600: #4b5563;--color-gray-700: #374151;--color-gray-800: #1f2937;--color-gray-900: #111827;--color-blue-gray-100: hsl(204, 15%, 95%);--color-blue-gray-200: hsl(204, 15%, 92%);--color-blue-gray-300: hsl(204, 15%, 90%);--color-blue-gray-400: hsl(204, 15%, 75%);--color-blue-gray-500: hsl(204, 15%, 50%);--color-blue-gray-600: hsl(204, 15%, 28%);--color-blue-gray-700: hsl(204, 15%, 16%);--color-blue-gray-800: hsl(204, 15%, 14%);--color-blue-gray-900: hsl(204, 15%, 12%);--color-primary: #3c8ae3;--color-primary-hover: #0550ae;--color-secondary: #1f2937;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--color-primary-300: hsl(204, 75%, 72%);--color-primary-400: hsl(204, 75%, 64%);--color-primary-500: hsl(204, 75%, 50%);--color-primary-600: hsl(204, 75%, 36%);--color-primary-700: hsl(204, 75%, 28%);--color-red-50: #fef2f2;--color-red-200: #fecaca;--color-red-400: #f87171;--color-red-600: #dc2626;--color-info: #3b82f6;--color-info-bg: #eff6ff;--surface-primary: var(--color-gray-50);--surface-secondary: var(--color-gray-100);--surface-tertiary: var(--color-gray-200);--surface-light: var(--color-gray-100);--surface-mid-light: var(--color-gray-200);--surface-dark: var(--color-gray-700);--text-primary: var(--color-gray-900);--text-secondary: var(--color-gray-800);--text-tertiary: var(--color-gray-700);--text-body: var(--color-gray-600);--border-default: var(--color-gray-300);--border-light: var(--color-gray-200);--border-dark: var(--color-gray-400);--surface-interactive: var(--color-gray-100);--surface-interactive-hover: var(--color-gray-200);--surface-interactive-active: var(--color-gray-300);--text-interactive: var(--color-gray-700);--link-default: var(--color-primary-600);--link-hover: var(--color-primary-700);--link-visited: var(--color-primary-700);--surface-code: var(--color-gray-200);--text-code: var(--color-primary-600);--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--max-width: min(100vw - 2rem, 1500px);--header-height: 80px;--footer-height: 60px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1);--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--transition-fast: .15s ease-in-out;--transition-normal: .25s ease-in-out;--transition-slow: .35s ease-in-out}*,*:before,*:after{box-sizing:border-box}html{line-height:1.6;-webkit-text-size-adjust:100%;tab-size:4;box-sizing:border-box;height:100%;margin:0;padding:0;overflow-x:hidden}body{font-family:system-ui;color:var(--text-primary);background-color:var(--surface-primary);margin:0;padding:0;min-height:100vh;display:flex;flex-direction:column;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;font-size:inherit;line-height:inherit}#app{display:flex;flex-direction:column;min-height:100vh}.app-header{background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));padding:var(--space-lg) var(--space-xl);box-shadow:var(--shadow-md);position:sticky;top:0;z-index:100}@supports (backdrop-filter: blur(16px)) or (-webkit-backdrop-filter: blur(16px)){.app-header{background:linear-gradient(135deg,#3b86e3cc,#1d283acc)}.app-header .backdrop{position:absolute;inset:0;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:linear-gradient(to bottom,hsl(213deg 75% 56% / .4),transparent 50%);pointer-events:none;z-index:-1}}@supports (mask-image: none) or (-webkit-mask-image: none){.app-header .backdrop{height:200%;-webkit-mask-image:linear-gradient(to bottom,black 0% 50%,transparent 50% 100%);mask-image:linear-gradient(to bottom,black 0% 50%,transparent 50% 100%)}}.app-header h1{margin:0 0 var(--space-sm) 0;font-size:2.25rem;font-weight:700;text-align:center}.main-nav{display:flex;justify-content:center;gap:var(--space-md);flex-wrap:wrap}.nav-btn{padding:var(--space-sm) var(--space-lg);background:#ffffff1a;color:#fff;border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);font-weight:500;backdrop-filter:blur(10px)}.nav-btn:hover{background:#fff3;transform:translateY(-1px)}.nav-btn.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.main-content{max-width:var(--max-width);margin:0 auto;width:100%;flex:1;display:flex;flex-direction:column}.app-footer{background:linear-gradient(135deg,var(--surface-secondary) 0%,var(--surface-tertiary) 100%);color:var(--text-tertiary);padding:var(--space-md) var(--space-xl);margin-top:auto;border-top:1px solid var(--border-default)}.footer-content{display:flex;justify-content:center;align-items:center;font-size:.875rem}.footer-content a{color:var(--text-primary);text-decoration:none}.footer-content a:hover{text-decoration:underline}.view-container{max-width:100%}.view-header{font-size:2rem;text-align:center;margin-bottom:var(--space-xl)}.view-header h1{font-size:2rem;margin:0 0 var(--space-sm) 0;color:var(--text-primary)}.view-content{margin-top:var(--space-xl)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:var(--space-md) var(--space-lg);border:none;border-radius:var(--radius-md);font-size:1rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast);text-decoration:none;min-height:48px;gap:var(--space-sm)}.btn:disabled{opacity:.7;cursor:not-allowed;transform:none!important}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-success{background:var(--color-success);color:#fff}.btn-success:hover:not(:disabled){background:#059669;transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-error{background:var(--color-error);color:#fff}.btn-error:hover:not(:disabled){background:#dc2626;transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-secondary{background:var(--surface-tertiary);color:var(--text-tertiary);border:1px solid var(--border-default)}.btn-secondary:hover:not(:disabled){background:var(--border-default);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.btn-outline{background:transparent;color:var(--color-primary);border:1px solid var(--color-primary)}.btn-outline:hover:not(:disabled){background:var(--color-primary);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-sm{padding:var(--space-sm) var(--space-md);font-size:.875rem;min-height:36px}.btn-lg{padding:var(--space-lg) var(--space-xl);font-size:1.125rem;min-height:56px}.loading{display:flex;align-items:center;justify-content:center;padding:var(--space-2xl);color:var(--text-body);font-size:1.125rem}.loading:before{content:"";width:20px;height:20px;border:2px solid var(--border-default);border-top-color:var(--color-primary);border-radius:50%;animation:spin 1s linear infinite;margin-right:var(--space-md)}@keyframes spin{to{transform:rotate(360deg)}}.error-container{background:#fef2f2;border:1px solid #fecaca;color:#991b1b;padding:var(--space-lg);border-radius:var(--radius-md);margin-bottom:var(--space-lg);text-align:center}.error-container h2{margin:0 0 var(--space-sm) 0}.error-container button{margin-top:var(--space-md);padding:var(--space-sm) var(--space-lg);background:var(--color-error);color:#fff;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition-fast)}.error-container button:hover{background:#dc2626}.not-found{text-align:center;padding:var(--space-2xl)}.not-found h2{color:var(--text-tertiary);margin-bottom:var(--space-lg)}.not-found code{background:var(--surface-secondary);padding:var(--space-xs) var(--space-sm);border-radius:var(--radius-sm);font-family:var(--font-mono);color:var(--text-secondary)}.not-found button{margin-top:var(--space-lg);padding:var(--space-md) var(--space-xl);background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius-md);cursor:pointer;font-weight:600;transition:all var(--transition-fast)}.not-found button:hover{background:var(--color-primary-hover);transform:translateY(-1px)}@media(prefers-color-scheme:dark){:root:not(.light-mode):not(.dark-mode){--color-red-50: #0d1117;--color-red-200: #f85149;--color-red-400: #f85149;--color-red-600: #ff6b6b;--color-info: #58a6ff;--color-info-bg: var(--color-blue-gray-900);--surface-primary: var(--color-blue-gray-900);--surface-secondary: var(--color-blue-gray-800);--surface-tertiary: var(--color-blue-gray-700);--surface-light: var(--color-blue-gray-400);--surface-mid-light: var(--color-blue-gray-300);--surface-dark: var(--color-blue-gray-700);--text-primary: var(--color-blue-gray-100);--text-secondary: var(--color-blue-gray-200);--text-tertiary: var(--color-blue-gray-300);--text-body: var(--color-blue-gray-400);--border-default: var(--color-blue-gray-700);--border-light: var(--color-blue-gray-800);--border-dark: var(--color-blue-gray-600);--surface-interactive: var(--color-blue-gray-400);--surface-interactive-hover: var(--color-blue-gray-300);--surface-interactive-active: var(--color-blue-gray-300);--text-interactive: var(--color-blue-gray-700);--link-default: var(--color-primary-400);--link-hover: var(--color-primary-300);--link-visited: var(--color-primary-300);--surface-code: var(--color-blue-gray-800);--text-code: var(--color-primary-400)}@supports (backdrop-filter: blur(16px)) or (-webkit-backdrop-filter: blur(16px)){:root:not(.light-mode):not(.dark-mode) .app-header{background:linear-gradient(135deg,#195eb380,#151c2999)}:root:not(.light-mode):not(.dark-mode) .app-header .backdrop{background:linear-gradient(to bottom,hsl(213deg 75% 40% / .25),transparent 50%)}}}:root.light-mode{--color-gray-50: #f9fafb;--color-gray-100: #f3f4f6;--color-gray-200: #e5e7eb;--color-gray-300: #d1d5db;--color-gray-400: #9ca3af;--color-gray-500: #6b7280;--color-gray-600: #4b5563;--color-gray-700: #374151;--color-gray-800: #1f2937;--color-gray-900: #111827;--color-red-50: #fef2f2;--color-red-200: #fecaca;--color-red-400: #f87171;--color-red-600: #dc2626;--color-info: #3b82f6;--color-info-bg: #eff6ff}.validation-error{border-color:var(--color-red-400)!important;box-shadow:0 0 0 3px var(--color-red-50)!important;animation:shake .5s ease-in-out}.model-selector-btn.validation-error{background-color:var(--color-red-50)!important}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}:root.dark-mode{--color-red-50: #0d1117;--color-red-200: #f85149;--color-red-400: #f85149;--color-red-600: #ff6b6b;--color-info: #58a6ff;--color-info-bg: var(--color-blue-gray-900);--surface-primary: var(--color-blue-gray-900);--surface-secondary: var(--color-blue-gray-800);--surface-tertiary: var(--color-blue-gray-700);--surface-light: var(--color-blue-gray-400);--surface-mid-light: var(--color-blue-gray-300);--surface-dark: var(--color-blue-gray-700);--text-primary: var(--color-blue-gray-100);--text-secondary: var(--color-blue-gray-200);--text-tertiary: var(--color-blue-gray-300);--text-body: var(--color-blue-gray-400);--border-default: var(--color-blue-gray-700);--border-light: var(--color-blue-gray-800);--border-dark: var(--color-blue-gray-600);--surface-interactive: var(--color-blue-gray-400);--surface-interactive-hover: var(--color-blue-gray-300);--surface-interactive-active: var(--color-blue-gray-300);--text-interactive: var(--color-blue-gray-700);--link-default: var(--color-primary-400);--link-hover: var(--color-primary-300);--link-visited: var(--color-primary-300);--surface-code: var(--color-blue-gray-800);--text-code: var(--color-primary-400)}@supports (backdrop-filter: blur(16px)) or (-webkit-backdrop-filter: blur(16px)){:root.dark-mode .app-header{background:linear-gradient(135deg,#195eb380,#151c2999)}:root.dark-mode .app-header .backdrop{background:linear-gradient(to bottom,hsl(213deg 75% 40% / .25),transparent 50%)}}::-webkit-scrollbar{width:12px}::-webkit-scrollbar-track{background:var(--surface-secondary);border-radius:6px}::-webkit-scrollbar-thumb{background:var(--border-default);border-radius:6px;border:2px solid var(--surface-secondary)}::-webkit-scrollbar-thumb:hover{background:var(--border-dark)}*{scrollbar-width:thin;scrollbar-color:var(--border-default) var(--surface-secondary)}.header-controls{position:absolute;top:var(--space-lg);right:var(--space-xl);display:flex;align-items:center;gap:var(--space-md)}#dark-mode-toggle{background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-md);color:#fff;font-size:1.5rem;width:48px;height:48px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-fast);backdrop-filter:blur(10px)}#dark-mode-toggle:hover{background:#fff3;transform:translateY(-1px)}:root.light-mode .app-footer{background:linear-gradient(135deg,var(--surface-primary) 0%,var(--surface-secondary) 100%);color:var(--text-tertiary);border-top:1px solid var(--surface-tertiary)}:root.dark-mode .app-footer{background:linear-gradient(135deg,var(--surface-secondary) 0%,var(--surface-tertiary) 100%);color:var(--text-primary);border-top:1px solid var(--border-default)}