:root{--ai-primary-50:#fffbeb;--ai-primary-100:#fef3c7;--ai-primary-400:#fbbf24;--ai-primary-500:#f59e0b;--ai-primary-600:#d97706;--ai-primary-700:#b45309;--ai-bg-primary:#0f161e;--ai-bg-secondary:#131b26;--ai-bg-tertiary:#0a0f14;--ai-text-main:#cbd5e1;--ai-text-dim:#94a3b8;--ai-text-dark:#64748b;--ai-border:#1e293b;--ai-border-light:#334155;--ai-success-500:#10b981;--ai-error-500:#ef4444;--ai-heading-1:2.5rem;--ai-heading-2:2rem;--ai-heading-3:1.5rem;--ai-radius-lg:0.5rem;--ai-radius-xl:0.75rem}@media (max-width:640px){.cursor-pointer,[role=button],button{min-height:44px;min-width:44px}.btn{padding:12px 16px;font-size:16px;line-height:1.5}.card{border-radius:8px;margin:8px}h1{font-size:1.75rem;line-height:1.2}h2{font-size:1.5rem;line-height:1.3}h3{font-size:1.25rem}h3,h4{line-height:1.4}h4{font-size:1.125rem}p{line-height:1.6}.space-y-8>*+*{margin-top:1.5rem}.space-y-6>*+*{margin-top:1rem}.space-y-4>*+*{margin-top:.75rem}.container{padding-left:16px;padding-right:16px}.grid-cols-6{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-cols-3{grid-template-columns:repeat(1,minmax(0,1fr))}.nav-menu{position:fixed;top:0;left:0;right:0;background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.1);z-index:50;transform:translateY(-100%);transition:transform .3s ease-in-out}.nav-menu.open{transform:translateY(0)}.mobile-sidebar{width:200px;max-width:90vw}}@media (min-width:641px) and (max-width:768px){.mobile-sidebar{width:240px;max-width:85vw}}@media (min-width:769px){.mobile-sidebar{width:280px;max-width:80vw}}@media (max-width:640px){input,select,textarea{font-size:16px;border-radius:8px;padding:12px 16px}.form-group{margin-bottom:16px}label{display:block;margin-bottom:8px;font-weight:500}.modal-content{margin:16px;border-radius:12px;max-height:calc(100vh - 32px);overflow-y:auto}.modal-header{padding:16px 20px 0}.modal-body{padding:16px 20px}.modal-footer{padding:0 20px 20px}.card-compact{padding:16px}.stat-card{padding:12px 16px;min-height:72px}.feature-card{padding:20px 16px}.action-buttons{flex-direction:column;gap:12px}.action-buttons button{width:100%;justify-content:center}.mobile-px-4{padding-left:16px;padding-right:16px}.mobile-py-4{padding-top:16px;padding-bottom:16px}.mobile-py-6{padding-top:24px;padding-bottom:24px}.mobile-py-8{padding-top:32px;padding-bottom:32px}.mobile-mb-4{margin-bottom:16px}.mobile-mb-6{margin-bottom:24px}.mobile-mb-8{margin-bottom:32px}.text-xs{font-size:.75rem}.text-sm{font-size:.875rem}.text-base{font-size:1rem}.text-lg{font-size:1.125rem}.text-xl{font-size:1.25rem}.text-2xl{font-size:1.5rem}a:focus,button:focus,input:focus,select:focus,textarea:focus{outline:2px solid #3b82f6;outline-offset:2px}.loading-spinner{width:24px;height:24px}.loading-text{font-size:14px;margin-top:8px}.toast{left:16px;right:16px;top:16px;transform:translateY(-100%)}.toast.show{transform:translateY(0)}html{scroll-behavior:smooth}.interactive{min-height:44px;min-width:44px;display:flex;align-items:center;justify-content:center}.icon-button{padding:8px;border-radius:8px}.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.hero-content,.stats-grid .stat-card{text-align:center}.hero-content{padding:24px 16px}.hero-title{font-size:2rem;font-weight:700;line-height:1.2;margin-bottom:16px}.hero-subtitle{font-size:1rem;line-height:1.5;margin-bottom:24px}.hero-buttons{flex-direction:column;gap:12px;width:100%}.hero-buttons button{width:100%}.features-grid{display:grid;grid-template-columns:1fr;gap:20px}.feature-card{text-align:center;padding:24px 16px}.feature-icon{width:48px;height:48px;margin:0 auto 16px}.footer-content{padding:24px 16px;text-align:center}.footer-brand{flex-direction:column;gap:12px;margin-bottom:16px}.footer-text{font-size:14px;margin-bottom:8px}.card{box-shadow:0 1px 3px rgba(0,0,0,.1)}.card:hover{box-shadow:0 4px 6px rgba(0,0,0,.1)}.gradient-bg{background:#3b82f6}}@media print{.no-print{display:none!important}.print-only{display:block!important}}@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}@media (prefers-contrast:high){.card,button{border:2px solid #000}}@media (prefers-color-scheme:dark){@media (max-width:640px){.bg-white{background-color:#1f2937}.text-gray-900{color:#f9fafb}.text-gray-600{color:#d1d5db}.border-gray-200{border-color:#374151}}@media (prefers-contrast:high) and (max-width:640px){.modal-content{border:3px solid #000;background-color:#fff}.button{border:2px solid #000;background-color:#fff;color:#000}.button:hover{background-color:#000;color:#fff}}@media (max-width:640px){.interactive:active,[role=button]:active,button:active{transform:scale(.98);transition:transform .1s ease-out}.text-contrast-high{color:#1a1a1a!important}.modal-backdrop-enhanced{background-color:rgba(0,0,0,.95);backdrop-filter:blur(2px)}.nav-touch-target{min-height:48px;min-width:48px;padding:12px 16px;display:flex;align-items:center;justify-content:center}input[type=email],input[type=password],input[type=text],select,textarea{font-size:16px;line-height:1.5;padding:12px 16px;border:2px solid #d1d5db;border-radius:8px;transition:border-color .2s ease}input:focus,select:focus,textarea:focus{border-color:#2563eb;outline:none;box-shadow:0 0 0 3px rgba(37,99,235,.1)}.mobile-optimized-animation{transform:translateZ(0);backface-visibility:hidden;perspective:1000px}.mobile-smooth-scroll{scroll-behavior:smooth;-webkit-overflow-scrolling:touch}}@media (max-width:640px){.focus-visible-enhanced:focus-visible{outline:3px solid #2563eb;outline-offset:2px;border-radius:4px}.skip-link{position:absolute;top:-40px;left:6px;background:#000;color:#fff;padding:8px;text-decoration:none;border-radius:4px;z-index:1000}.skip-link:focus{top:6px}}}