/**
 * Advanced Payment Management System - Responsive Styles
 * Mobile and tablet optimizations
 */

/* Tablet Styles (768px and below) */
@media (max-width: 768px) {
    :root {
        --sidebar-width: 260px;
        --spacing-6: 1.25rem;
    }
    
    /* Sidebar adjustments */
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .sidebar-toggle {
        display: block;
    }
    
    /* Main content adjustments */
    .main-content {
        margin-left: 0;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    /* Header adjustments */
    .top-header {
        padding: 0 var(--spacing-4);
    }
    
    .header-left h1 {
        font-size: var(--font-size-xl);
    }
    
    .user-info {
        display: none;
    }
    
    /* Page content adjustments */
    .page-content {
        padding: var(--spacing-4);
    }
    
    /* Dashboard grid adjustments */
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--spacing-3);
    }
    
    .stat-card {
        padding: var(--spacing-4);
    }
    
    .stat-icon {
        font-size: 2rem;
        padding: var(--spacing-3);
        margin-right: var(--spacing-3);
    }
    
    .stat-content h3 {
        font-size: var(--font-size-xl);
    }
    
    /* Card adjustments */
    .card-header,
    .card-body {
        padding: var(--spacing-4);
    }
    
    /* Table adjustments */
    .table {
        font-size: var(--font-size-xs);
    }
    
    .table th,
    .table td {
        padding: var(--spacing-2) var(--spacing-3);
    }
    
    /* Action grid adjustments */
    .action-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: var(--spacing-3);
    }
    
    .action-btn {
        padding: var(--spacing-4);
    }
    
    .action-icon {
        font-size: 1.5rem;
    }
    
    /* Footer adjustments */
    .app-footer {
        margin-left: 0;
        padding: var(--spacing-3) var(--spacing-4);
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-2);
        text-align: center;
    }
    
    /* Form adjustments */
    .form-control {
        padding: var(--spacing-3);
        font-size: var(--font-size-base);
    }
    
    /* Button adjustments */
    .btn {
        padding: var(--spacing-3) var(--spacing-4);
        font-size: var(--font-size-sm);
    }
    
    .btn-lg {
        padding: var(--spacing-4) var(--spacing-5);
        font-size: var(--font-size-base);
    }
}

/* Mobile Styles (480px and below) */
@media (max-width: 480px) {
    :root {
        --sidebar-width: 240px;
        --spacing-4: 0.75rem;
        --spacing-6: 1rem;
    }
    
    /* Typography adjustments */
    h1 { font-size: var(--font-size-2xl); }
    h2 { font-size: var(--font-size-xl); }
    h3 { font-size: var(--font-size-lg); }
    
    /* Header adjustments */
    .header-left h1 {
        font-size: var(--font-size-lg);
    }
    
    .top-header {
        height: 60px;
        padding: 0 var(--spacing-3);
    }
    
    /* Page content adjustments */
    .page-content {
        padding: var(--spacing-3);
    }
    
    /* Dashboard adjustments */
    .dashboard-grid {
        gap: var(--spacing-4);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-3);
    }
    
    .stat-card {
        padding: var(--spacing-3);
        flex-direction: column;
        text-align: center;
    }
    
    .stat-icon {
        margin-right: 0;
        margin-bottom: var(--spacing-2);
        font-size: 1.75rem;
        padding: var(--spacing-2);
    }
    
    .stat-content h3 {
        font-size: var(--font-size-lg);
    }
    
    /* Card adjustments */
    .card-header {
        flex-direction: column;
        gap: var(--spacing-3);
        align-items: flex-start;
    }
    
    .card-header,
    .card-body {
        padding: var(--spacing-3);
    }
    
    /* Table adjustments */
    .table-responsive {
        font-size: var(--font-size-xs);
    }
    
    .table th,
    .table td {
        padding: var(--spacing-1) var(--spacing-2);
    }
    
    /* Hide less important columns on mobile */
    .table .hide-mobile {
        display: none;
    }
    
    /* Action grid adjustments */
    .action-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-2);
    }
    
    .action-btn {
        padding: var(--spacing-3);
    }
    
    .action-icon {
        font-size: 1.25rem;
        margin-bottom: var(--spacing-1);
    }
    
    .action-text {
        font-size: var(--font-size-xs);
    }
    
    /* Login page adjustments */
    .login-container {
        padding: var(--spacing-3);
    }
    
    .login-header,
    .login-form,
    .login-footer {
        padding: var(--spacing-4);
    }
    
    .demo-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2);
    }
    
    /* Sidebar menu adjustments */
    .menu-item {
        padding: var(--spacing-3) var(--spacing-4);
    }
    
    .menu-item .icon {
        margin-right: var(--spacing-2);
    }
    
    .sidebar-header {
        padding: var(--spacing-4);
    }
    
    .sidebar-header h2 {
        font-size: var(--font-size-lg);
    }
    
    /* Form adjustments */
    .form-group {
        margin-bottom: var(--spacing-3);
    }
    
    .form-control {
        padding: var(--spacing-2) var(--spacing-3);
    }
    
    /* Button adjustments */
    .btn {
        padding: var(--spacing-2) var(--spacing-3);
        font-size: var(--font-size-sm);
    }
    
    .btn-lg {
        padding: var(--spacing-3) var(--spacing-4);
        font-size: var(--font-size-sm);
    }
    
    /* Alert adjustments */
    .alert {
        padding: var(--spacing-3);
        font-size: var(--font-size-sm);
    }
}

/* Extra Small Mobile (320px and below) */
@media (max-width: 320px) {
    :root {
        --sidebar-width: 220px;
        --spacing-3: 0.5rem;
        --spacing-4: 0.625rem;
    }
    
    .stats-grid {
        gap: var(--spacing-2);
    }
    
    .stat-card {
        padding: var(--spacing-2);
    }
    
    .card-header,
    .card-body {
        padding: var(--spacing-2);
    }
    
    .action-grid {
        grid-template-columns: 1fr;
    }
    
    .login-header,
    .login-form,
    .login-footer {
        padding: var(--spacing-3);
    }
    
    .page-content {
        padding: var(--spacing-2);
    }
}

/* Landscape Mobile Adjustments */
@media (max-height: 500px) and (orientation: landscape) {
    .sidebar {
        height: 100vh;
        overflow-y: auto;
    }
    
    .login-page {
        padding: var(--spacing-2);
    }
    
    .login-header {
        padding: var(--spacing-4);
    }
    
    .login-header h1 {
        font-size: var(--font-size-xl);
        margin-bottom: var(--spacing-1);
    }
    
    .demo-accounts {
        margin-bottom: var(--spacing-3);
    }
}

/* Touch-friendly adjustments */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .menu-item,
    .action-btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    .form-control {
        min-height: 44px;
    }
    
    .table th,
    .table td {
        min-height: 44px;
        vertical-align: middle;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .stat-icon,
    .action-icon {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* Sidebar overlay for mobile */
@media (max-width: 768px) {
    .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 999;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .sidebar-overlay.active {
        opacity: 1;
        visibility: visible;
    }
    
    .sidebar.open ~ .sidebar-overlay {
        opacity: 1;
        visibility: visible;
    }
}

/* Print styles */
@media print {
    .sidebar,
    .top-header,
    .app-footer,
    .btn,
    .action-grid {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0 !important;
    }
    
    .page-content {
        padding: 0 !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid var(--gray-300) !important;
    }
    
    .table {
        border-collapse: collapse !important;
    }
    
    .table th,
    .table td {
        border: 1px solid var(--gray-300) !important;
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Dark mode support (if needed in future) */
@media (prefers-color-scheme: dark) {
    /* Dark mode styles can be added here */
}

/* Focus improvements for keyboard navigation */
@media (hover: none) {
    .btn:focus,
    .form-control:focus,
    .menu-item:focus {
        outline: 2px solid var(--primary-color);
        outline-offset: 2px;
    }
}