@media (max-width: 1024px) {
    :root {
        --sidebar-width: 240px;
    }
    
    .character-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 56px;
    }
    
    .header-content {
        padding: 0 var(--spacing-sm);
    }
    
    .logo h1 {
        font-size: 1.125rem;
    }
    
    .nav-tab {
        padding: var(--spacing-xs) var(--spacing-sm);
        min-width: 80px;
        font-size: 0.875rem;
    }
    
    .main-content {
        flex-direction: column;
        padding: var(--spacing-md);
    }
    
    .filter-sidebar {
        width: 100%;
        position: static;
        margin-bottom: var(--spacing-md);
    }
    
    .character-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: var(--spacing-sm);
    }
    
    .character-card {
        padding: var(--spacing-sm);
    }
    
    .character-avatar {
        width: 60px;
        height: 60px;
    }
    
    .character-name {
        font-size: 0.8125rem;
    }
    
    .character-element {
        font-size: 0.6875rem;
    }
    
    .character-header-section {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-md);
    }
    
    .character-avatar-large .avatar-ring {
        width: 100px;
        height: 100px;
    }
    
    .character-badges {
        justify-content: center;
    }
    
    .character-actions {
        justify-content: center;
    }
    
    .detail-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .detail-tab {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.875rem;
        white-space: nowrap;
    }
    
    .tab-content {
        padding: var(--spacing-md);
    }
    
    .info-table th {
        width: 100px;
    }
    
    .modal-content {
        max-width: 100%;
        margin: var(--spacing-sm);
        max-height: calc(100vh - var(--spacing-md));
    }
    
    .form-row {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .constellation-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .main-nav {
        gap: var(--spacing-xs);
    }
    
    .nav-tab {
        min-width: 70px;
        padding: var(--spacing-xs);
        font-size: 0.75rem;
    }
    
    .filter-buttons {
        gap: 2px;
    }
    
    .filter-btn {
        padding: 4px 6px;
        font-size: 0.6875rem;
    }
    
    .character-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-xs);
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
    
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.25rem; }
    h3 { font-size: 1.125rem; }
    
    .btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.875rem;
    }
    
    .skill-card {
        padding: var(--spacing-sm);
    }
    
    .skill-icon {
        width: 32px;
        height: 32px;
    }
    
    .skill-header h4 {
        font-size: 0.9375rem;
    }
}

@media (hover: none) {
    .character-card:hover {
        transform: none;
        box-shadow: none;
    }
    
    .character-card:active {
        transform: scale(0.98);
    }
    
    .btn:hover {
        transform: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

@media (prefers-color-scheme: dark) {
}