/* ==========================================================================
   ATX Solutions - Mobile Utility Classes
   Helper classes and utilities for mobile-specific scenarios
   ========================================================================== */

/* ==========================================================================
   Display and Visibility Utilities
   ========================================================================== */

@media (max-width: 767px) {
    /* Display utilities */
    .mobile-d-none { display: none !important; }
    .mobile-d-block { display: block !important; }
    .mobile-d-flex { display: flex !important; }
    .mobile-d-inline { display: inline !important; }
    .mobile-d-inline-block { display: inline-block !important; }
    .mobile-d-inline-flex { display: inline-flex !important; }
    
    /* Visibility */
    .mobile-visible { visibility: visible !important; }
    .mobile-invisible { visibility: hidden !important; }
    
    /* Opacity */
    .mobile-opacity-0 { opacity: 0 !important; }
    .mobile-opacity-50 { opacity: 0.5 !important; }
    .mobile-opacity-100 { opacity: 1 !important; }
}

/* ==========================================================================
   Text Utilities
   ========================================================================== */

@media (max-width: 767px) {
    /* Text alignment */
    .mobile-text-left { text-align: left !important; }
    .mobile-text-center { text-align: center !important; }
    .mobile-text-right { text-align: right !important; }
    
    /* Text transform */
    .mobile-text-uppercase { text-transform: uppercase !important; }
    .mobile-text-lowercase { text-transform: lowercase !important; }
    .mobile-text-capitalize { text-transform: capitalize !important; }
    
    /* Font weight */
    .mobile-fw-light { font-weight: 300 !important; }
    .mobile-fw-normal { font-weight: 400 !important; }
    .mobile-fw-medium { font-weight: 500 !important; }
    .mobile-fw-semibold { font-weight: 600 !important; }
    .mobile-fw-bold { font-weight: 700 !important; }
    
    /* Font size */
    .mobile-fs-xs { font-size: var(--mobile-font-xs) !important; }
    .mobile-fs-sm { font-size: var(--mobile-font-sm) !important; }
    .mobile-fs-base { font-size: var(--mobile-font-base) !important; }
    .mobile-fs-lg { font-size: var(--mobile-font-lg) !important; }
    .mobile-fs-xl { font-size: var(--mobile-font-xl) !important; }
    .mobile-fs-2xl { font-size: var(--mobile-font-2xl) !important; }
    
    /* Text truncation */
    .mobile-text-truncate {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    
    .mobile-text-wrap {
        white-space: normal !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
    }
    
    /* Line clamp */
    .mobile-line-clamp-2 {
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    
    .mobile-line-clamp-3 {
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
}

/* ==========================================================================
   Width and Height Utilities
   ========================================================================== */

@media (max-width: 767px) {
    /* Width */
    .mobile-w-25 { width: 25% !important; }
    .mobile-w-50 { width: 50% !important; }
    .mobile-w-75 { width: 75% !important; }
    .mobile-w-100 { width: 100% !important; }
    .mobile-w-auto { width: auto !important; }
    
    /* Max width */
    .mobile-mw-100 { max-width: 100% !important; }
    
    /* Height */
    .mobile-h-25 { height: 25% !important; }
    .mobile-h-50 { height: 50% !important; }
    .mobile-h-75 { height: 75% !important; }
    .mobile-h-100 { height: 100% !important; }
    .mobile-h-auto { height: auto !important; }
    
    /* Viewport dimensions */
    .mobile-vh-100 { height: 100vh !important; }
    .mobile-vw-100 { width: 100vw !important; }
    
    /* Min height for full screen content */
    .mobile-min-vh-100 {
        min-height: 100vh !important;
        min-height: calc(100vh - 60px) !important; /* Account for navbar */
    }
}

/* ==========================================================================
   Flexbox Utilities
   ========================================================================== */

@media (max-width: 767px) {
    /* Flex direction */
    .mobile-flex-row { flex-direction: row !important; }
    .mobile-flex-column { flex-direction: column !important; }
    .mobile-flex-row-reverse { flex-direction: row-reverse !important; }
    .mobile-flex-column-reverse { flex-direction: column-reverse !important; }
    
    /* Flex wrap */
    .mobile-flex-wrap { flex-wrap: wrap !important; }
    .mobile-flex-nowrap { flex-wrap: nowrap !important; }
    
    /* Justify content */
    .mobile-justify-start { justify-content: flex-start !important; }
    .mobile-justify-end { justify-content: flex-end !important; }
    .mobile-justify-center { justify-content: center !important; }
    .mobile-justify-between { justify-content: space-between !important; }
    .mobile-justify-around { justify-content: space-around !important; }
    .mobile-justify-evenly { justify-content: space-evenly !important; }
    
    /* Align items */
    .mobile-align-start { align-items: flex-start !important; }
    .mobile-align-end { align-items: flex-end !important; }
    .mobile-align-center { align-items: center !important; }
    .mobile-align-baseline { align-items: baseline !important; }
    .mobile-align-stretch { align-items: stretch !important; }
    
    /* Align self */
    .mobile-align-self-start { align-self: flex-start !important; }
    .mobile-align-self-end { align-self: flex-end !important; }
    .mobile-align-self-center { align-self: center !important; }
    .mobile-align-self-baseline { align-self: baseline !important; }
    .mobile-align-self-stretch { align-self: stretch !important; }
    
    /* Flex grow and shrink */
    .mobile-flex-grow-0 { flex-grow: 0 !important; }
    .mobile-flex-grow-1 { flex-grow: 1 !important; }
    .mobile-flex-shrink-0 { flex-shrink: 0 !important; }
    .mobile-flex-shrink-1 { flex-shrink: 1 !important; }
    
    /* Flex gaps */
    .mobile-gap-0 { gap: 0 !important; }
    .mobile-gap-1 { gap: var(--mobile-space-xs) !important; }
    .mobile-gap-2 { gap: var(--mobile-space-sm) !important; }
    .mobile-gap-3 { gap: var(--mobile-space-md) !important; }
    .mobile-gap-4 { gap: var(--mobile-space-lg) !important; }
    .mobile-gap-5 { gap: var(--mobile-space-xl) !important; }
}

/* ==========================================================================
   Position Utilities
   ========================================================================== */

@media (max-width: 767px) {
    .mobile-position-static { position: static !important; }
    .mobile-position-relative { position: relative !important; }
    .mobile-position-absolute { position: absolute !important; }
    .mobile-position-fixed { position: fixed !important; }
    .mobile-position-sticky { position: sticky !important; }
    
    /* Position edges */
    .mobile-top-0 { top: 0 !important; }
    .mobile-bottom-0 { bottom: 0 !important; }
    .mobile-left-0 { left: 0 !important; }
    .mobile-right-0 { right: 0 !important; }
}

/* ==========================================================================
   Border Utilities
   ========================================================================== */

@media (max-width: 767px) {
    /* Border */
    .mobile-border { border: 1px solid #dee2e6 !important; }
    .mobile-border-0 { border: 0 !important; }
    .mobile-border-top { border-top: 1px solid #dee2e6 !important; }
    .mobile-border-bottom { border-bottom: 1px solid #dee2e6 !important; }
    .mobile-border-left { border-left: 1px solid #dee2e6 !important; }
    .mobile-border-right { border-right: 1px solid #dee2e6 !important; }
    
    /* Border radius */
    .mobile-rounded-0 { border-radius: 0 !important; }
    .mobile-rounded-sm { border-radius: var(--mobile-radius-sm) !important; }
    .mobile-rounded { border-radius: var(--mobile-radius-md) !important; }
    .mobile-rounded-lg { border-radius: var(--mobile-radius-lg) !important; }
    .mobile-rounded-full { border-radius: 50% !important; }
    .mobile-rounded-pill { border-radius: var(--mobile-radius-full) !important; }
    
    /* Border radius by side */
    .mobile-rounded-top { border-top-left-radius: var(--mobile-radius-md) !important; border-top-right-radius: var(--mobile-radius-md) !important; }
    .mobile-rounded-bottom { border-bottom-left-radius: var(--mobile-radius-md) !important; border-bottom-right-radius: var(--mobile-radius-md) !important; }
}

/* ==========================================================================
   Shadow Utilities
   ========================================================================== */

@media (max-width: 767px) {
    .mobile-shadow-none { box-shadow: none !important; }
    .mobile-shadow-sm { box-shadow: var(--mobile-shadow-sm) !important; }
    .mobile-shadow { box-shadow: var(--mobile-shadow-md) !important; }
    .mobile-shadow-lg { box-shadow: var(--mobile-shadow-lg) !important; }
}

/* ==========================================================================
   Overflow Utilities
   ========================================================================== */

@media (max-width: 767px) {
    .mobile-overflow-auto { overflow: auto !important; }
    .mobile-overflow-hidden { overflow: hidden !important; }
    .mobile-overflow-visible { overflow: visible !important; }
    .mobile-overflow-scroll { overflow: scroll !important; }
    
    /* Specific axis */
    .mobile-overflow-x-auto { overflow-x: auto !important; -webkit-overflow-scrolling: touch; }
    .mobile-overflow-x-hidden { overflow-x: hidden !important; }
    .mobile-overflow-y-auto { overflow-y: auto !important; -webkit-overflow-scrolling: touch; }
    .mobile-overflow-y-hidden { overflow-y: hidden !important; }
}

/* ==========================================================================
   Z-Index Utilities
   ========================================================================== */

@media (max-width: 767px) {
    .mobile-z-0 { z-index: 0 !important; }
    .mobile-z-1 { z-index: 1 !important; }
    .mobile-z-10 { z-index: 10 !important; }
    .mobile-z-100 { z-index: 100 !important; }
    .mobile-z-1000 { z-index: 1000 !important; }
}

/* ==========================================================================
   Pointer Events Utilities
   ========================================================================== */

@media (max-width: 767px) {
    .mobile-pointer-events-none { pointer-events: none !important; }
    .mobile-pointer-events-auto { pointer-events: auto !important; }
    
    /* Cursor */
    .mobile-cursor-pointer { cursor: pointer !important; }
    .mobile-cursor-not-allowed { cursor: not-allowed !important; }
}

/* ==========================================================================
   User Select Utilities
   ========================================================================== */

@media (max-width: 767px) {
    .mobile-user-select-none {
        -webkit-user-select: none !important;
        -moz-user-select: none !important;
        -ms-user-select: none !important;
        user-select: none !important;
    }
    
    .mobile-user-select-all {
        -webkit-user-select: all !important;
        -moz-user-select: all !important;
        -ms-user-select: all !important;
        user-select: all !important;
    }
    
    .mobile-user-select-auto {
        -webkit-user-select: auto !important;
        -moz-user-select: auto !important;
        -ms-user-select: auto !important;
        user-select: auto !important;
    }
}

/* ==========================================================================
   Background Utilities
   ========================================================================== */

@media (max-width: 767px) {
    .mobile-bg-transparent { background-color: transparent !important; }
    .mobile-bg-white { background-color: white !important; }
    .mobile-bg-light { background-color: #f8f9fa !important; }
    .mobile-bg-dark { background-color: #212529 !important; }
}

/* ==========================================================================
   Special Mobile Components
   ========================================================================== */

@media (max-width: 767px) {
    /* Pull to refresh indicator */
    .pull-to-refresh-indicator {
        position: absolute;
        top: -60px;
        left: 50%;
        transform: translateX(-50%);
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: top var(--mobile-transition-base) ease;
    }
    
    .pull-to-refresh-indicator.visible {
        top: var(--mobile-space-md);
    }
    
    /* Loading skeleton */
    .mobile-skeleton {
        background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
        background-size: 200% 100%;
        animation: skeleton-loading 1.5s infinite;
        border-radius: var(--mobile-radius-sm);
    }
    
    @keyframes skeleton-loading {
        0% { background-position: 200% 0; }
        100% { background-position: -200% 0; }
    }
    
    .mobile-skeleton-text {
        height: 16px;
        margin-bottom: var(--mobile-space-sm);
    }
    
    .mobile-skeleton-title {
        height: 24px;
        margin-bottom: var(--mobile-space-md);
        width: 60%;
    }
    
    .mobile-skeleton-avatar {
        width: 48px;
        height: 48px;
        border-radius: 50%;
    }
    
    /* Empty state */
    .mobile-empty-state {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: var(--mobile-space-xl);
        text-align: center;
        min-height: 300px;
    }
    
    .mobile-empty-state-icon {
        width: 80px;
        height: 80px;
        margin-bottom: var(--mobile-space-md);
        opacity: 0.5;
    }
    
    .mobile-empty-state-title {
        font-size: var(--mobile-font-lg);
        font-weight: 600;
        margin-bottom: var(--mobile-space-sm);
    }
    
    .mobile-empty-state-text {
        font-size: var(--mobile-font-sm);
        color: #6c757d;
        margin-bottom: var(--mobile-space-lg);
    }
}

/* ==========================================================================
   Touch Gesture Utilities
   ========================================================================== */

@media (max-width: 767px) {
    /* Swipeable item */
    .mobile-swipeable {
        position: relative;
        touch-action: pan-y;
        transition: transform var(--mobile-transition-base) ease;
    }
    
    .mobile-swipeable-actions {
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        display: flex;
        align-items: center;
        gap: var(--mobile-space-xs);
        padding: 0 var(--mobile-space-sm);
    }
    
    /* Draggable indicator */
    .mobile-drag-handle {
        width: 40px;
        height: 5px;
        background: #dee2e6;
        border-radius: var(--mobile-radius-full);
        margin: var(--mobile-space-sm) auto;
        cursor: grab;
    }
    
    .mobile-drag-handle:active {
        cursor: grabbing;
    }
}

/* ==========================================================================
   Responsive Image Utilities
   ========================================================================== */

@media (max-width: 767px) {
    .mobile-img-fluid {
        max-width: 100%;
        height: auto;
    }
    
    .mobile-img-cover {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    
    .mobile-img-contain {
        width: 100%;
        height: 100%;
        object-fit: contain;
    }
}

/* ==========================================================================
   Aspect Ratio Utilities
   ========================================================================== */

@media (max-width: 767px) {
    .mobile-ratio-16x9 {
        aspect-ratio: 16 / 9;
    }
    
    .mobile-ratio-4x3 {
        aspect-ratio: 4 / 3;
    }
    
    .mobile-ratio-1x1 {
        aspect-ratio: 1 / 1;
    }
}

/* ==========================================================================
   Accessibility Utilities
   ========================================================================== */

@media (max-width: 767px) {
    /* Reduce motion for accessibility */
    @media (prefers-reduced-motion: reduce) {
        .mobile-respect-motion {
            animation: none !important;
            transition: none !important;
        }
    }
    
    /* High contrast mode support */
    @media (prefers-contrast: high) {
        .mobile-contrast-border {
            border-width: 2px !important;
        }
    }
}

/* ==========================================================================
   Print Utilities (Hide on print from mobile)
   ========================================================================== */

@media print {
    .mobile-d-print-none {
        display: none !important;
    }
}