/* ============================================
   Mobile Utilities CSS
   Touch-friendly, responsive utility classes
   ============================================ */

/* ===========================================
   Touch-Friendly Utilities
   =========================================== */
@media (max-width: 991px) {
    /* Minimum touch target size - 44px for accessibility */
    .btn,
    .nav-link,
    .form-control,
    .form-select,
    input[type="checkbox"],
    input[type="radio"] {
        min-height: 44px;
    }
    
    /* Adequate spacing between buttons */
    .btn + .btn {
        margin-left: 0.5rem;
    }
    
    /* Disable hover effects on touch devices */
    @media (hover: none) {
        .btn:hover,
        .card:hover,
        .nav-link:hover {
            transform: none;
            box-shadow: inherit;
        }
    }
    
    /* Full-width buttons on mobile */
    .btn-mobile-full {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    /* Stack buttons vertically on mobile */
    .btn-group-mobile-stack {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .btn-group-mobile-stack .btn {
        width: 100%;
        margin-left: 0 !important;
    }
}

/* ===========================================
   Typography Mobile
   =========================================== */
@media (max-width: 767px) {
    body {
        font-size: 16px;
        line-height: 1.6;
    }
    
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    h4 { font-size: 1.1rem; }
    
    p, li {
        font-size: 1rem;
        line-height: 1.6;
    }
    
    /* Prevent text from being too small */
    small, .small {
        font-size: 0.875rem;
    }
}

/* ===========================================
   Responsive Images
   =========================================== */
img {
    max-width: 100%;
    height: auto;
}

.img-responsive {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.img-contain {
    width: 100%;
    height: auto;
    object-fit: contain;
}

/* Aspect ratio containers */
.aspect-ratio-16-9 {
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.aspect-ratio-4-3 {
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.aspect-ratio-1-1 {
    aspect-ratio: 1 / 1;
    object-fit: cover;
}

/* ===========================================
   Responsive Video
   =========================================== */
.video-responsive {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
}

.video-responsive iframe,
.video-responsive video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* ===========================================
   Table Responsive
   =========================================== */
.table-mobile-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

@media (max-width: 767px) {
    .table-mobile-scroll table {
        min-width: 600px;
    }
    
    .table-mobile-scroll th,
    .table-mobile-scroll td {
        white-space: nowrap;
        padding: 0.75rem 0.5rem;
    }
}

/* ===========================================
   Hide/Show Mobile Utilities
   =========================================== */
/* Hide on mobile (< 768px) */
@media (max-width: 767px) {
    .hide-mobile { display: none !important; }
}

/* Show only on mobile */
@media (min-width: 768px) {
    .show-mobile-only { display: none !important; }
}

/* Hide on tablet and below (< 992px) */
@media (max-width: 991px) {
    .hide-tablet { display: none !important; }
}

/* Show only on tablet and below */
@media (min-width: 992px) {
    .show-tablet-only { display: none !important; }
}

/* ===========================================
   Element Spacing Utilities
   =========================================== */
@media (max-width: 767px) {
    /* Reduced padding on mobile */
    .p-mobile-sm { padding: 0.75rem !important; }
    .p-mobile-md { padding: 1rem !important; }
    .p-mobile-lg { padding: 1.5rem !important; }
    
    /* Reduced margin on mobile */
    .m-mobile-sm { margin: 0.75rem !important; }
    .m-mobile-md { margin: 1rem !important; }
    .m-mobile-lg { margin: 1.5rem !important; }
    
    /* Gap utilities for mobile */
    .gap-mobile-sm { gap: 0.5rem !important; }
    .gap-mobile-md { gap: 1rem !important; }
    .gap-mobile-lg { gap: 1.5rem !important; }
}

/* ===========================================
   Mobile Container Utilities
   =========================================== */
@media (max-width: 767px) {
    /* Full width container on mobile */
    .container-mobile-full {
        padding-left: 0.75rem !important;
        padding-right: 0.75rem !important;
    }
    
    /* Stack flex items vertically on mobile */
    .flex-mobile-column {
        flex-direction: column !important;
    }
    
    /* Center items on mobile */
    .text-mobile-center {
        text-align: center !important;
    }
}

/* ===========================================
   Safe Area Support (Notched Phones)
   =========================================== */
@supports (padding: env(safe-area-inset-bottom)) {
    .safe-area-bottom {
        padding-bottom: env(safe-area-inset-bottom);
    }
    
    .safe-area-top {
        padding-top: env(safe-area-inset-top);
    }
    
    .safe-area-left {
        padding-left: env(safe-area-inset-left);
    }
    
    .safe-area-right {
        padding-right: env(safe-area-inset-right);
    }
}

/* ===========================================
   Touch Device Specific
   =========================================== */
@media (hover: none) and (pointer: coarse) {
    /* Larger tap targets for touch */
    .touch-target {
        min-width: 44px;
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Remove hover states that don't work on touch */
    .no-touch-hover:hover {
        transform: none !important;
        box-shadow: inherit !important;
    }
}

/* ===========================================
   Scroll Behavior
   =========================================== */
.scroll-smooth {
    scroll-behavior: smooth;
}

.overflow-touch {
    -webkit-overflow-scrolling: touch;
}

/* Hide scrollbar but keep functionality */
.scrollbar-hide {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.scrollbar-hide::-webkit-scrollbar {
    display: none;
}

/* ===========================================
   Form Mobile Enhancements
   =========================================== */
@media (max-width: 767px) {
    /* Full width inputs on mobile */
    .form-control-mobile-full,
    .form-select-mobile-full {
        width: 100% !important;
    }
    
    /* Larger form labels on mobile */
    .form-label {
        font-size: 0.95rem;
        margin-bottom: 0.5rem;
    }
    
    /* Better spacing for form groups */
    .mb-3 {
        margin-bottom: 1rem !important;
    }
}

/* Prevent zoom on input focus (iOS) */
@media (max-width: 767px) {
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="number"],
    input[type="tel"],
    input[type="url"],
    input[type="search"],
    textarea,
    select {
        font-size: 16px !important;
    }
}

/* ===========================================
   Card Mobile Utilities
   =========================================== */
@media (max-width: 767px) {
    .card-mobile-compact {
        padding: 1rem !important;
    }
    
    .card-mobile-compact .card-body {
        padding: 0.75rem !important;
    }
    
    /* Stack cards vertically */
    .cards-mobile-stack {
        display: flex;
        flex-direction: column;
        gap: 1rem;
    }
    
    .cards-mobile-stack > * {
        width: 100%;
    }
}

/* ===========================================
   Modal Mobile Enhancements
   =========================================== */
@media (max-width: 767px) {
    .modal-mobile-fullscreen .modal-dialog {
        margin: 0;
        max-width: 100%;
        height: 100%;
    }
    
    .modal-mobile-fullscreen .modal-content {
        height: 100%;
        border-radius: 0;
    }
    
    .modal-mobile-bottom .modal-dialog {
        margin: 0;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        max-width: 100%;
    }
    
    .modal-mobile-bottom .modal-content {
        border-radius: 1rem 1rem 0 0;
    }
}