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.btn-secondary{background:var(--bg-secondary-dark);color:var(--text-primary-dark);border-color:var(--border-dark)}.btn-secondary:hover{background:var(--bg-accent-light)}body.dark-mode .btn-secondary:hover{background:var(--bg-accent-dark)}.card{background:linear-gradient(135deg,var(--bg-primary-light) 0%,rgba(248,250,252,.8) 100%);border:1px solid var(--border-light);border-radius:var(--border-radius-lg);padding:2rem;box-shadow:0 4px 20px var(--shadow-light);transition:all var(--animation-normal)}body.dark-mode .card{background:linear-gradient(135deg,var(--bg-secondary-dark) 0%,rgba(37,26,58,.9) 50%,rgba(47,33,64,.95) 100%);border:1px solid var(--border-dark);box-shadow:0 4px 20px var(--shadow-dark),inset 0 1px #ffffff1a}.card:hover{transform:translateY(-5px);box-shadow:0 8px 30px var(--shadow-light)}body.dark-mode .card:hover{box-shadow:0 8px 30px var(--shadow-dark),inset 0 1px #ffffff26,0 0 25px #8b5cf626,0 0 40px #7c3aed14}.grid{display:grid;gap:var(--element-spacing)}.grid-2{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.grid-4{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.loading-spinner{display:flex;justify-content:center;align-items:center;height:50vh;color:var(--text-primary-dark)}.loading-spinner div{width:40px;height:40px;border:3px solid var(--primary-blue);border-top:3px solid transparent;border-radius:50%;animation:spin 1s linear infinite}@media (max-width: 768px){:root{--section-padding: 2.5rem 0;--element-spacing: 1.25rem}.container{padding:0 .75rem;max-width:100%}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}@media (max-width: 480px){:root{--section-padding: 1.5rem 0;--element-spacing: .75rem}.container{padding:0 .5rem;max-width:100%}.card{padding:1rem;margin:0 .25rem}.btn{padding:.5rem 1rem;font-size:var(--font-size-sm);width:100%;max-width:300px}}@media (prefers-contrast: high){:root{--shadow-light: rgba(0, 0, 0, .3);--shadow-dark: rgba(255, 255, 255, .3)}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}@media print{.btn,.mobile-menu-btn,.nav-actions,.section-divider{display:none!important}body{background:#fff!important;color:#000!important}}