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ease}@keyframes slideIn{0%{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}.notification.success{border-left:4px solid var(--success-color)}.notification.error{border-left:4px solid var(--error-color)}.notification.warning{border-left:4px solid var(--warning-color)}.notification.info{border-left:4px solid var(--info-color)}.notification-content{display:flex;align-items:center;gap:.5rem}.notification-close{background:transparent;border:none;color:var(--gray);cursor:pointer;font-size:.9rem;padding:.2rem}.modal{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:2000;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background:var(--white);border-radius:var(--border-radius-lg);width:90%;max-width:500px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-xl);animation:slideInUp .3s ease}@keyframes slideInUp{0%{transform:translateY(50px);opacity:0}to{transform:translateY(0);opacity:1}}.modal-header{justify-content:space-between;padding:1.5rem;border-bottom:1px solid var(--border-color)}.modal-close,.modal-header{display:flex;align-items:center}.modal-close{background:transparent;border:none;color:var(--gray);font-size:1.2rem;cursor:pointer;padding:.5rem;border-radius:50%;justify-content:center}.modal-close:hover{background:var(--light-gray);color:var(--dark-gray)}.modal-body{padding:1.5rem}.modal-footer{padding:1rem 1.5rem;border-top:1px solid var(--border-color);display:flex;justify-content:flex-end;gap:1rem}@media (max-width:768px){.nav-container{flex-direction:column;padding:.5rem}.nav-menu{margin:.5rem 0;width:100%;justify-content:center}.nav-link{padding:.5rem}.hero-content h1{font-size:2rem}.hero-stats{flex-direction:column;gap:1rem}.feature-cards{grid-template-columns:1fr}.settings-item{flex-direction:column}.settings-label{margin-bottom:.5rem}.form-options{grid-template-columns:1fr}}@media (max-width:480px){.nav-menu{flex-wrap:wrap}.hero-content h1{font-size:1.8rem}.metrics-grid,.score-cards{grid-template-columns:repeat(2,1fr)}.action-buttons{flex-direction:column}}