/**
 * Common Responsive CSS Utilities
 * Include in pages that need responsive enhancements
 */

/* Base responsive fixes */
html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

* {
    box-sizing: border-box;
}

img, video, iframe {
    max-width: 100%;
    height: auto;
}

/* Responsive Tables */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* Hide on mobile */
@media (max-width: 768px) {
    .hide-mobile {
        display: none !important;
    }
}

/* Hide on desktop */
@media (min-width: 769px) {
    .hide-desktop {
        display: none !important;
    }
}

/* Responsive typography */
@media (max-width: 768px) {
    h1 { font-size: 1.75rem !important; }
    h2 { font-size: 1.5rem !important; }
    h3 { font-size: 1.25rem !important; }
}

/* Responsive spacing */
@media (max-width: 768px) {
    .container, .main-content {
        padding-left: 15px !important;
        padding-right: 15px !important;
    }
}

/* Responsive grid */
@media (max-width: 1024px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr !important;
    }
}

/* Responsive cards */
@media (max-width: 768px) {
    .card {
        margin-bottom: 15px;
    }
    
    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}

/* Responsive buttons */
@media (max-width: 480px) {
    .btn-group, .button-group, .header-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-group .btn, .button-group .btn, .header-actions .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Responsive forms */
@media (max-width: 768px) {
    .form-row, .filter-form {
        flex-direction: column;
    }
    
    .form-group {
        width: 100%;
        margin-bottom: 15px;
    }
    
    input, select, textarea {
        width: 100%;
    }
    
    .search-filter {
        flex-direction: column;
    }
    
    .search-filter input,
    .search-filter select {
        width: 100%;
        min-width: auto !important;
    }
}

/* Responsive navigation */
@media (max-width: 900px) {
    .top-nav {
        flex-direction: column;
        padding: 10px 15px;
        gap: 10px;
    }
    
    .top-nav .nav-links {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .top-nav .nav-links a {
        padding: 8px 12px;
        font-size: 12px;
    }
}

/* Responsive stats cards */
@media (max-width: 1200px) {
    .stats-row, .kpi-grid, .stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

@media (max-width: 600px) {
    .stats-row, .kpi-grid, .stats-grid {
        grid-template-columns: 1fr !important;
    }
}

/* Responsive modals */
@media (max-width: 768px) {
    .modal-content, .popup-content {
        width: 95% !important;
        max-width: 95% !important;
        margin: 10px auto;
    }
}

/* Responsive sidebars */
@media (max-width: 1024px) {
    .sidebar {
        position: fixed;
        left: -280px;
        transition: left 0.3s ease;
        z-index: 1000;
    }
    
    .sidebar.open {
        left: 0;
    }
    
    .main-with-sidebar {
        margin-left: 0 !important;
    }
}

/* Touch-friendly tap targets */
@media (max-width: 768px) {
    button, 
    .btn, 
    a.btn,
    input[type="submit"],
    input[type="button"] {
        min-height: 44px;
        min-width: 44px;
    }
    
    input, select, textarea {
        font-size: 16px; /* Prevent zoom on iOS */
    }
}

/* Print styles */
@media print {
    .no-print, .top-nav, .sidebar, .cv-sidenav, nav {
        display: none !important;
    }
    
    .main-content {
        padding: 0 !important;
        margin: 0 !important;
    }
    
    body {
        background: white !important;
    }
}