/* ============================================
   RESPONSIVE UTILITIES
   ============================================ */

/* Hide on specific breakpoints */
.hide-mobile { display: block; }
.hide-tablet { display: block; }
.hide-desktop { display: none; }

/* Show on specific breakpoints */
.show-mobile { display: none; }
.show-tablet { display: none; }
.show-desktop { display: block; }

/* ============================================
   DESKTOP FIRST (default)
   ============================================ */

/* ============================================
   LAPTOP (max-width: 1200px)
   ============================================ */
@media (max-width: 1200px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   TABLET (max-width: 992px)
   ============================================ */
@media (max-width: 992px) {
    .hide-tablet { display: none; }
    .show-tablet { display: block; }
    
    .hide-desktop { display: block; }
    .show-desktop { display: none; }
    
    /* Grid adjustments */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .quick-actions {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Cards */
    .card-body {
        padding: var(--spacing-md);
    }
    
    /* Sidebar */
    .sidebar {
        transform: translateX(-100%);
        width: 280px;
    }
    
    .sidebar.open {
        transform: translateX(0);
        box-shadow: var(--shadow-xl);
    }
    
    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.6);
        z-index: 1020;
        backdrop-filter: blur(4px);
    }
    
    .sidebar-overlay.active {
        display: block;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .btn-toggle-sidebar {
        display: block;
    }
    
    .top-bar {
        padding: 0 var(--spacing-md);
    }
    
    .page-content {
        padding: var(--spacing-md);
    }
    
    .campaign-selector .form-select {
        min-width: 120px;
        font-size: var(--font-size-xs);
        padding: 2px 24px 2px 8px;
    }
    
    /* Tables */
    .table-responsive-stack {
        display: block;
        width: 100%;
        overflow-x: auto;
    }
    
    /* Modals */
    .modal {
        max-width: 90%;
        margin: var(--spacing-md);
    }
}

/* ============================================
   MOBILE LANDSCAPE (max-width: 768px)
   ============================================ */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-sm);
    }
    
    .quick-actions {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .stat-card {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .stat-card .stat-value {
        font-size: var(--font-size-lg);
    }
    
    .stat-card .stat-label {
        font-size: var(--font-size-xs);
    }
    
    /* Hide less important elements */
    .hide-mobile-landscape {
        display: none;
    }
    
    /* Forms */
    .form-control,
    .form-select {
        font-size: 16px !important; /* Prevent zoom on iOS */
        padding: 8px 12px;
    }
    
    /* Buttons */
    .btn {
        padding: 6px 14px;
        font-size: var(--font-size-sm);
        min-height: 44px; /* Touch target size */
    }
    
    .btn-sm {
        min-height: 36px;
        padding: 4px 10px;
    }
    
    .btn-icon {
        width: 44px;
        height: 44px;
    }
    
    .btn-icon.btn-sm {
        width: 36px;
        height: 36px;
    }
    
    /* Modals */
    .modal {
        max-width: 95%;
        margin: var(--spacing-sm);
    }
    
    .modal-header {
        padding: var(--spacing-md);
    }
    
    .modal-body {
        padding: var(--spacing-md);
    }
    
    .modal-footer {
        padding: var(--spacing-sm) var(--spacing-md);
        flex-wrap: wrap;
    }
    
    .modal-footer .btn {
        flex: 1;
        min-width: 80px;
    }
}

/* ============================================
   MOBILE PORTRAIT (max-width: 576px)
   ============================================ */
@media (max-width: 576px) {
    .hide-mobile { display: none; }
    .show-mobile { display: block; }
    
    .hide-tablet { display: none; }
    .show-tablet { display: none; }
    
    .hide-desktop { display: none; }
    .show-desktop { display: none; }
    
    /* Layout */
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .page-content {
        padding: var(--spacing-sm);
    }
    
    /* Top bar */
    .top-bar {
        padding: 0 var(--spacing-sm);
        height: 50px;
        flex-wrap: nowrap;
    }
    
    .top-bar-left {
        gap: var(--spacing-xs);
        flex: 1;
        min-width: 0;
    }
    
    .top-bar-right {
        gap: var(--spacing-xs);
        flex-shrink: 0;
    }
    
    .campaign-selector .form-select {
        min-width: 80px;
        font-size: 11px;
        padding: 2px 20px 2px 6px;
        max-width: 100px;
    }
    
    .search-shortcut kbd {
        font-size: 9px;
        padding: 1px 4px;
    }
    
    .breadcrumb-wrapper .breadcrumb-item {
        font-size: var(--font-size-xs);
    }
    
    .breadcrumb-wrapper .breadcrumb-item + .breadcrumb-item::before {
        content: '/';
        padding: 0 4px;
    }
    
    /* Sidebar */
    .sidebar {
        width: 100%;
        max-width: 320px;
    }
    
    .sidebar-header .logo {
        font-size: var(--font-size-md);
    }
    
    .sidebar-header .logo-icon {
        font-size: var(--font-size-xl);
    }
    
    /* Stats */
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xs);
    }
    
    .stat-card {
        padding: var(--spacing-sm);
    }
    
    .stat-card .stat-value {
        font-size: var(--font-size-md);
    }
    
    .stat-card .stat-label {
        font-size: 10px;
    }
    
    .stat-card .stat-icon {
        font-size: var(--font-size-md);
    }
    
    /* Cards */
    .card {
        border-radius: var(--radius-sm);
    }
    
    .card-header {
        padding: var(--spacing-sm) var(--spacing-md);
        flex-wrap: wrap;
    }
    
    .card-header .card-title {
        font-size: var(--font-size-sm);
    }
    
    .card-body {
        padding: var(--spacing-md);
    }
    
    .card-footer {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    /* Tables - Stack mode */
    .table-responsive-stack {
        display: block;
        width: 100%;
        overflow-x: auto;
    }
    
    .table-responsive-stack thead {
        display: none;
    }
    
    .table-responsive-stack tbody tr {
        display: block;
        border: 1px solid var(--color-border);
        border-radius: var(--radius-sm);
        margin-bottom: var(--spacing-sm);
        padding: var(--spacing-sm);
        background: var(--color-bg-card);
    }
    
    .table-responsive-stack tbody td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: var(--spacing-xs) 0;
        border: none;
        font-size: var(--font-size-sm);
        min-height: 32px;
    }
    
    .table-responsive-stack tbody td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--color-text-muted);
        font-size: var(--font-size-xs);
        flex-shrink: 0;
        margin-right: var(--spacing-md);
    }
    
    .table-responsive-stack tbody td:last-child {
        border-bottom: none;
    }
    
    /* Quick actions */
    .quick-actions {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xs);
    }
    
    .quick-action {
        padding: var(--spacing-sm);
        border-radius: var(--radius-sm);
    }
    
    .quick-action i {
        font-size: var(--font-size-md);
        margin-bottom: 2px;
    }
    
    .quick-action span {
        font-size: 10px;
    }
    
    /* Buttons */
    .btn {
        padding: 6px 12px;
        font-size: var(--font-size-sm);
        min-height: 40px;
        border-radius: var(--radius-sm);
    }
    
    .btn-lg {
        padding: 8px 16px;
        font-size: var(--font-size-sm);
        min-height: 48px;
    }
    
    .btn-sm {
        padding: 4px 8px;
        font-size: 10px;
        min-height: 32px;
    }
    
    .btn-icon {
        width: 40px;
        height: 40px;
    }
    
    .btn-icon.btn-sm {
        width: 32px;
        height: 32px;
    }
    
    /* Badges */
    .badge {
        font-size: 9px;
        padding: 2px 8px;
    }
    
    /* Forms */
    .form-group {
        margin-bottom: var(--spacing-sm);
    }
    
    .form-label {
        font-size: var(--font-size-xs);
    }
    
    /* Modals */
    .modal {
        max-width: 98%;
        margin: var(--spacing-xs);
        border-radius: var(--radius-sm);
    }
    
    .modal-header {
        padding: var(--spacing-sm) var(--spacing-md);
        flex-wrap: wrap;
    }
    
    .modal-title {
        font-size: var(--font-size-md);
    }
    
    .modal-body {
        padding: var(--spacing-md);
        max-height: 60vh;
        overflow-y: auto;
    }
    
    .modal-footer {
        padding: var(--spacing-sm) var(--spacing-md);
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }
    
    .modal-footer .btn {
        flex: 1;
        min-width: 60px;
        font-size: var(--font-size-xs);
        padding: 4px 8px;
    }
    
    /* Pagination */
    .pagination .page-link {
        min-width: 32px;
        height: 32px;
        padding: 0 6px;
        font-size: var(--font-size-xs);
    }
    
    /* Alerts */
    .alert {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
        border-radius: var(--radius-sm);
    }
    
    .alert .btn-close {
        top: var(--spacing-sm);
        right: var(--spacing-sm);
        font-size: var(--font-size-md);
    }
    
    /* Footer */
    .footer {
        padding: 0 var(--spacing-sm);
        height: auto;
        min-height: 36px;
        padding: var(--spacing-xs) 0;
    }
    
    .footer-content {
        font-size: 10px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    /* Toast notifications */
    .toast-container {
        top: auto;
        bottom: var(--spacing-sm);
        right: var(--spacing-sm);
        left: var(--spacing-sm);
        max-width: 100%;
        width: auto;
    }
    
    .toast {
        padding: var(--spacing-sm) var(--spacing-md);
        border-radius: var(--radius-sm);
    }
    
    .toast-title {
        font-size: var(--font-size-xs);
    }
    
    .toast-message {
        font-size: var(--font-size-xs);
    }
}

/* ============================================
   MOBILE-FIRST IMPROVEMENTS
   ============================================ */

/* Better touch targets for all interactive elements */
@media (hover: none) and (pointer: coarse) {
    .clickable,
    [onclick],
    .card-clickable,
    .stat-card,
    .quick-action,
    .list-group-item,
    .menu-item a,
    .dropdown-item,
    .nav-link {
        cursor: pointer;
        -webkit-tap-highlight-color: rgba(240, 194, 127, 0.2);
    }
    
    /* Prevent text selection on interactive elements */
    .stat-card,
    .quick-action,
    .card-clickable {
        -webkit-user-select: none;
        user-select: none;
    }
    
    /* Active state feedback */
    .stat-card:active,
    .quick-action:active,
    .card-clickable:active {
        transform: scale(0.97);
        transition: transform 0.1s;
    }
}

/* Smooth scroll for mobile */
@media (max-width: 768px) {
    html {
        scroll-behavior: smooth;
        -webkit-overflow-scrolling: touch;
    }
    
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        text-rendering: optimizeLegibility;
    }
    
    /* Better card layouts on mobile */
    .card-body {
        padding: var(--spacing-md);
    }
    
    .card-header {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    /* Full-width buttons on mobile */
    .btn-block-mobile {
        width: 100%;
        justify-content: center;
    }
    
    /* Stack form actions on mobile */
    .form-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .form-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Better spacing for lists on mobile */
    .recent-list > div {
        padding: var(--spacing-sm) 0 !important;
    }
    
    /* Mobile-optimized stat cards */
    .stats-grid {
        gap: var(--spacing-xs);
    }
    
    .stat-card {
        padding: var(--spacing-sm);
        border-radius: var(--radius-sm);
    }
    
    .stat-card .stat-value {
        font-size: var(--font-size-lg);
    }
    
    .stat-card .stat-icon {
        font-size: var(--font-size-lg);
    }
}

/* Mobile-optimized quick actions */
@media (max-width: 576px) {
    .quick-actions {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-xs);
    }
    
    .quick-action {
        padding: var(--spacing-sm);
        min-height: 70px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-align: center;
        border-radius: var(--radius-sm);
        border: 1px solid var(--color-border);
        background: var(--color-bg-card);
        text-decoration: none;
        transition: all var(--transition-fast);
    }
    
    .quick-action:active {
        transform: scale(0.95);
        border-color: var(--color-gold);
    }
    
    .quick-action i {
        font-size: var(--font-size-xl);
        margin-bottom: 4px;
    }
    
    .quick-action span {
        font-size: 10px;
        line-height: 1.2;
        color: var(--color-text-secondary);
    }
    
    /* Campaign header mobile */
    .campaign-header .d-flex {
        flex-direction: column;
        align-items: flex-start !important;
    }
    
    .campaign-actions {
        width: 100%;
        justify-content: flex-start;
        flex-wrap: wrap;
    }
    
    .campaign-actions .btn {
        flex: 1;
        min-width: 80px;
        justify-content: center;
        font-size: var(--font-size-xs);
    }
    
    .campaign-meta {
        flex-direction: column;
        gap: var(--spacing-xs) !important;
    }
    
    .campaign-meta span {
        font-size: var(--font-size-xs);
    }
    
    /* Two-column layout becomes single on mobile */
    .row > [class*="col-"] {
        padding-left: 0;
        padding-right: 0;
    }
    
    .row {
        margin-left: 0;
        margin-right: 0;
    }
    
    /* Better modal on mobile */
    .modal-dialog {
        margin: var(--spacing-xs);
    }
    
    .modal-content {
        border-radius: var(--radius-md);
    }
    
    /* Better dropdowns on mobile */
    .dropdown-menu {
        width: 100%;
        min-width: auto;
    }
    
    /* Better pagination on mobile */
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .pagination .page-link {
        min-width: 40px;
        height: 40px;
        font-size: var(--font-size-sm);
    }
}

/* ============================================
   EXTRA SMALL (max-width: 400px)
   ============================================ */
@media (max-width: 400px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xs);
    }
    
    .stat-card {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .stat-card .stat-value {
        font-size: var(--font-size-md);
    }
    
    .stat-card .stat-label {
        font-size: 9px;
    }
    
    .quick-actions {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xs);
    }
    
    .quick-action {
        padding: var(--spacing-xs);
    }
    
    .quick-action i {
        font-size: var(--font-size-sm);
    }
    
    .quick-action span {
        font-size: 9px;
    }
    
    .top-bar {
        padding: 0 var(--spacing-xs);
        height: 44px;
    }
    
    .top-bar-left .btn-toggle-sidebar {
        font-size: var(--font-size-lg);
        padding: 2px 4px;
    }
    
    .campaign-selector .form-select {
        min-width: 60px;
        font-size: 10px;
        padding: 1px 16px 1px 4px;
        max-width: 80px;
    }
    
    .breadcrumb-wrapper .breadcrumb-item {
        font-size: 10px;
    }
    
    .breadcrumb-wrapper .breadcrumb-item + .breadcrumb-item::before {
        content: '/';
        padding: 0 3px;
    }
    
    .card-body {
        padding: var(--spacing-sm);
    }
    
    .card-header {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .btn {
        min-height: 36px;
        font-size: var(--font-size-xs);
        padding: 4px 10px;
    }
    
    .btn-sm {
        min-height: 28px;
        font-size: 9px;
        padding: 2px 6px;
    }
    
    .btn-icon {
        width: 36px;
        height: 36px;
    }
    
    .btn-icon.btn-sm {
        width: 28px;
        height: 28px;
    }
    
    .page-content {
        padding: var(--spacing-xs);
    }
    
    .modal-body {
        padding: var(--spacing-sm);
        max-height: 50vh;
    }
    
    /* Hide completely on very small screens */
    .hide-xxs {
        display: none !important;
    }
}

/* ============================================
   TOUCH DEVICES
   ============================================ */
@media (hover: none) and (pointer: coarse) {
    /* Larger touch targets */
    .btn,
    .form-control,
    .form-select,
    .card-clickable,
    .menu-item a {
        min-height: 44px;
    }
    
    .btn-sm {
        min-height: 36px;
    }
    
    /* Remove hover effects that don't work on touch */
    .hover-lift:hover,
    .hover-glow:hover,
    .hover-scale:hover {
        transform: none !important;
    }
    
    .card-hover:hover {
        transform: none !important;
    }
    
    /* Active state instead of hover */
    .btn:active {
        transform: scale(0.95);
    }
    
    .card-hover:active {
        background: var(--color-bg-card-hover);
    }
    
    /* Disable hover styles that cause issues on touch */
    .sidebar-menu .menu-item a:hover {
        background: none;
    }
    
    .sidebar-menu .menu-item a:active {
        background: rgba(240, 194, 127, 0.1);
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .sidebar,
    .top-bar,
    .footer,
    .btn,
    .no-print {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0 !important;
    }
    
    .page-content {
        padding: 0 !important;
    }
    
    .card {
        border: 1px solid #ddd !important;
        box-shadow: none !important;
        break-inside: avoid;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .text-gold {
        color: #b8860b !important;
    }
}