/* ===== MOBILE & DESKTOP VIEW ENHANCEMENTS ===== */

/* ===== RESPONSIVE BREAKPOINTS ===== */
@media (max-width: 1200px) {
    .container {
        max-width: 100%;
        padding: 0 var(--spacing-md);
    }
    
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .sidebar-mobile-open .sidebar {
        transform: translateX(0);
    }
}

@media (max-width: 992px) {
    .sidebar {
        width: 100%;
        max-width: 320px;
        z-index: 1050;
    }
    
    .main-content {
        margin-left: 0 !important;
        padding: var(--spacing-md);
    }
    
    .header-container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-section {
        padding: 2rem 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 56px;
        --mobile-nav-height: 56px;
        --content-padding: 0.25rem;
    }
    
    .header {
        height: var(--header-height);
    }
    
    .header-container {
        padding: 0 var(--spacing-xs);
    }
    
    .logo {
        font-size: 1.25rem;
    }
    
    .hero-section {
        padding: 1.5rem 0;
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        line-height: 1.4;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
        gap: 0.75rem;
    }
    
    .service-card {
        margin-bottom: 1rem;
    }
    
    .dashboard-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .stat-card {
        padding: 1rem;
    }
    
    .sidebar-toggle {
        display: block !important;
    }
    
    .sidebar {
        position: fixed;
        top: var(--header-height);
        left: 0;
        height: calc(100vh - var(--header-height));
        background: var(--bg-primary);
        box-shadow: var(--shadow-xl);
        z-index: 1040;
        overflow-y: auto;
    }
    
    .sidebar-mobile-open::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1030;
    }
    
    .mobile-bottom-nav {
        display: flex !important;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        border-top: 1px solid var(--border-light);
        z-index: 1020;
        height: var(--mobile-nav-height);
    }
    
    .mobile-nav-item {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: var(--spacing-xs);
        color: var(--text-muted);
        text-decoration: none;
        transition: all 0.3s ease;
        border-radius: var(--radius-sm);
        margin: var(--spacing-xs);
    }
    
    .mobile-nav-item:hover,
    .mobile-nav-item.active {
        color: var(--primary);
        background: var(--primary-lighter);
    }
    
    .mobile-nav-item i {
        font-size: 1.25rem;
        margin-bottom: 0.25rem;
    }
    
    .mobile-nav-item span {
        font-size: 0.75rem;
        font-weight: 500;
    }
    
    .main-content {
        padding-bottom: calc(var(--mobile-nav-height) + var(--spacing-lg));
    }
}

@media (max-width: 576px) {
    :root {
        --spacing-md: 0.375rem;
        --spacing-lg: 0.5rem;
        --spacing-xl: 0.75rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
    
    .form-control {
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
    
    .modal-dialog {
        margin: 0.5rem;
        max-width: calc(100% - 1rem);
    }
}

/* ===== MOBILE NAVIGATION ENHANCEMENTS ===== */
.mobile-bottom-nav {
    display: none;
}

.mobile-nav-item {
    position: relative;
}

.mobile-nav-item .badge {
    position: absolute;
    top: 0;
    right: 0;
    transform: translate(50%, -50%);
    font-size: 0.625rem;
    padding: 0.125rem 0.25rem;
    border-radius: 10px;
    background: var(--danger);
    color: white;
}

/* ===== SIDEBAR MOBILE ENHANCEMENTS ===== */
.sidebar {
    transition: transform 0.3s ease;
}

.sidebar-mobile-open .sidebar {
    transform: translateX(0);
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-secondary);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-light);
}

.sidebar-user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.sidebar-user-info h6 {
    margin: 0;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.sidebar-user-info small {
    color: var(--text-muted);
    font-size: 0.75rem;
}

/* ===== MOBILE-FIRST COMPONENTS ===== */
.mobile-card {
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
}

.mobile-card-header {
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-light);
}

.mobile-card-body {
    padding: var(--spacing-md);
}

.mobile-card-footer {
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-light);
}

/* ===== TOUCH-FRIENDLY INTERACTIONS ===== */
.btn, .form-control, .nav-link {
    min-height: 44px; /* iOS touch target minimum */
}

.btn-sm {
    min-height: 36px;
}

.btn-lg {
    min-height: 48px;
}

/* ===== MOBILE FORM ENHANCEMENTS ===== */
.mobile-form-group {
    margin-bottom: var(--spacing-lg);
}

.mobile-form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.mobile-form-control {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: 16px; /* Prevents zoom on iOS */
    transition: border-color 0.3s ease;
}

.mobile-form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-lighter);
}

/* ===== MOBILE TABLE ENHANCEMENTS ===== */
.mobile-table {
    width: 100%;
    border-collapse: collapse;
}

.mobile-table th,
.mobile-table td {
    padding: var(--spacing-sm);
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

.mobile-table th {
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-primary);
}

.mobile-table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* ===== MOBILE MODAL ENHANCEMENTS ===== */
.mobile-modal .modal-content {
    border-radius: var(--radius-md);
    border: none;
    box-shadow: var(--shadow-xl);
}

.mobile-modal .modal-header {
    border-bottom: 1px solid var(--border-light);
    padding: var(--spacing-lg);
}

.mobile-modal .modal-body {
    padding: var(--spacing-lg);
}

.mobile-modal .modal-footer {
    border-top: 1px solid var(--border-light);
    padding: var(--spacing-lg);
}

/* ===== MOBILE LOADING STATES ===== */
.mobile-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    color: var(--text-muted);
}

.mobile-loading .spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-light);
    border-top: 2px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: var(--spacing-md);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===== MOBILE NOTIFICATIONS ===== */
.mobile-notification {
    position: fixed;
    top: var(--header-height);
    left: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-md);
    z-index: 1060;
    transform: translateY(-100%);
    transition: transform 0.3s ease;
}

.mobile-notification.show {
    transform: translateY(0);
}

.mobile-notification.success {
    border-left: 4px solid var(--success);
}

.mobile-notification.error {
    border-left: 4px solid var(--danger);
}

.mobile-notification.warning {
    border-left: 4px solid var(--warning);
}

/* ===== MOBILE SEARCH ENHANCEMENTS ===== */
.mobile-search {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.mobile-search-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg) var(--spacing-md) 2.5rem;
    border: 2px solid var(--border-light);
    border-radius: 25px;
    font-size: 16px;
    background: var(--bg-primary);
}

.mobile-search-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

/* ===== MOBILE FILTERS ===== */
.mobile-filters {
    display: flex;
    gap: var(--spacing-sm);
    overflow-x: auto;
    padding: var(--spacing-sm) 0;
    margin-bottom: var(--spacing-lg);
}

.mobile-filter-chip {
    flex-shrink: 0;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 20px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.mobile-filter-chip:hover,
.mobile-filter-chip.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* ===== MOBILE PAGINATION ===== */
.mobile-pagination {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.mobile-page-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-light);
    background: var(--bg-primary);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all 0.3s ease;
}

.mobile-page-btn:hover,
.mobile-page-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* ===== MOBILE UTILITY CLASSES ===== */
.mobile-hidden {
    display: none !important;
}

.mobile-visible {
    display: block !important;
}

@media (min-width: 768px) {
    .mobile-hidden {
        display: block !important;
    }
    
    .mobile-visible {
        display: none !important;
    }
}

/* ===== MOBILE ANIMATIONS ===== */
.mobile-fade-in {
    animation: fadeIn 0.3s ease-in;
}

.mobile-slide-up {
    animation: slideUp 0.3s ease-out;
}

.mobile-slide-down {
    animation: slideDown 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes slideDown {
    from { transform: translateY(-20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* ===== MOBILE PERFORMANCE OPTIMIZATIONS ===== */
.mobile-optimize {
    will-change: transform;
    backface-visibility: hidden;
    transform: translateZ(0);
}

/* ===== MOBILE ACCESSIBILITY ===== */
.mobile-focus-visible:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.mobile-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}