/* Mobile-First Responsive Enhancements for Pushpa Designers */

/* ========================================
   Global Mobile Variables
======================================== */
:root {
    /* Mobile Touch Targets */
    --mobile-touch-target: 44px;
    --mobile-touch-target-sm: 36px;
    
    /* Mobile Spacing */
    --mobile-spacing-xs: 0.5rem;
    --mobile-spacing-sm: 0.75rem;
    --mobile-spacing-md: 1rem;
    --mobile-spacing-lg: 1.5rem;
    --mobile-spacing-xl: 2rem;
    
    /* Mobile Typography */
    --mobile-font-size-xs: 0.75rem;
    --mobile-font-size-sm: 0.875rem;
    --mobile-font-size-base: 1rem;
    --mobile-font-size-lg: 1.125rem;
    --mobile-font-size-xl: 1.25rem;
    
    /* Mobile Transitions */
    --mobile-transition: all 0.2s ease-in-out;
    --mobile-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ========================================
   Touch-Friendly Interactions
======================================== */
@media (max-width: 991.98px) {
    /* Improved tap targets */
    .btn,
    .nav-link,
    .dropdown-item,
    .form-control,
    .pagination .page-link {
        min-height: var(--mobile-touch-target);
        min-width: var(--mobile-touch-target);
    }
    
    /* Touch feedback */
    .btn:active,
    .nav-link:active,
    .card:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }
    
    /* Improved scroll behavior */
    html {
        scroll-behavior: smooth;
        -webkit-overflow-scrolling: touch;
    }
    
    /* Better focus states for keyboard navigation */
    .btn:focus,
    .form-control:focus,
    .nav-link:focus {
        outline: 3px solid rgba(74, 144, 164, 0.5);
        outline-offset: 2px;
    }
}

/* ========================================
   Mobile Navigation Enhancements
======================================== */
@media (max-width: 991.98px) {
    /* Mobile navbar improvements */
    .navbar-toggler {
        border: 2px solid var(--pushpa-blue);
        border-radius: 8px;
        padding: 0.5rem;
        transition: var(--mobile-transition);
    }
    
    .navbar-toggler:hover,
    .navbar-toggler:focus {
        background-color: rgba(74, 144, 164, 0.1);
        transform: scale(1.05);
    }
    
    .navbar-collapse {
        background: rgba(255, 255, 255, 0.98);
        margin: 1rem -1rem -1rem -1rem;
        padding: 1rem;
        border-radius: 0 0 15px 15px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }
    
    .navbar-nav .nav-item {
        margin: 0.25rem 0;
    }
    
    .navbar-nav .nav-link {
        padding: 0.75rem 1rem;
        border-radius: 8px;
        transition: var(--mobile-transition);
        display: flex;
        align-items: center;
    }
    
    .navbar-nav .nav-link:hover {
        background: rgba(74, 144, 164, 0.1);
        transform: translateX(5px);
    }
    
    .navbar-nav .nav-link.active {
        background: linear-gradient(135deg, rgba(74, 144, 164, 0.2) 0%, rgba(93, 173, 226, 0.2) 100%);
        border-left: 4px solid var(--pushpa-blue);
    }
}

/* ========================================
   Mobile Typography & Content
======================================== */
@media (max-width: 767.98px) {
    /* Base typography adjustments */
    body {
        font-size: var(--mobile-font-size-sm);
        line-height: 1.6;
    }
    
    h1, .h1 { 
        font-size: 1.875rem; 
        line-height: 1.2; 
        margin-bottom: var(--mobile-spacing-lg);
    }
    
    h2, .h2 { 
        font-size: 1.5rem; 
        line-height: 1.3; 
        margin-bottom: var(--mobile-spacing-md);
    }
    
    h3, .h3 { 
        font-size: 1.25rem; 
        line-height: 1.3; 
        margin-bottom: var(--mobile-spacing-md);
    }
    
    h4, .h4 { 
        font-size: 1.1rem; 
        line-height: 1.4; 
        margin-bottom: var(--mobile-spacing-sm);
    }
    
    h5, .h5 { 
        font-size: 1rem; 
        line-height: 1.4; 
        margin-bottom: var(--mobile-spacing-sm);
    }
    
    h6, .h6 { 
        font-size: 0.9rem; 
        line-height: 1.4; 
        margin-bottom: var(--mobile-spacing-sm);
    }
    
    /* Paragraph spacing */
    p {
        margin-bottom: var(--mobile-spacing-md);
        line-height: 1.6;
    }
    
    .lead {
        font-size: var(--mobile-font-size-lg);
        line-height: 1.5;
    }
    
    /* Display text adjustments */
    .display-1 { font-size: 2.5rem; }
    .display-2 { font-size: 2.25rem; }
    .display-3 { font-size: 2rem; }
    .display-4 { font-size: 1.875rem; }
    .display-5 { font-size: 1.625rem; }
    .display-6 { font-size: 1.375rem; }
}

/* ========================================
   Mobile Form Enhancements
======================================== */
@media (max-width: 767.98px) {
    /* Form controls */
    .form-control,
    .form-select {
        padding: 0.75rem;
        font-size: var(--mobile-font-size-sm);
        border-radius: 8px;
        min-height: var(--mobile-touch-target);
    }
    
    .form-control:focus,
    .form-select:focus {
        border-color: var(--pushpa-blue);
        box-shadow: 0 0 0 3px rgba(74, 144, 164, 0.25);
    }
    
    /* Form labels */
    .form-label {
        font-size: var(--mobile-font-size-sm);
        font-weight: 600;
        margin-bottom: var(--mobile-spacing-xs);
    }
    
    /* Input groups */
    .input-group > .form-control,
    .input-group > .form-select,
    .input-group > .btn {
        border-radius: 8px;
    }
    
    /* Checkboxes and radios */
    .form-check-input {
        width: 1.25rem;
        height: 1.25rem;
    }
    
    .form-check-label {
        font-size: var(--mobile-font-size-sm);
        padding-left: var(--mobile-spacing-xs);
    }
}

/* ========================================
   Mobile Button Enhancements
======================================== */
@media (max-width: 767.98px) {
    /* Base button styles */
    .btn {
        padding: 0.75rem 1rem;
        font-size: var(--mobile-font-size-sm);
        font-weight: 600;
        border-radius: 8px;
        min-height: var(--mobile-touch-target);
        transition: var(--mobile-transition);
    }
    
    .btn:active {
        transform: scale(0.95);
    }
    
    /* Button sizes */
    .btn-sm {
        padding: 0.5rem 0.75rem;
        font-size: var(--mobile-font-size-xs);
        min-height: var(--mobile-touch-target-sm);
    }
    
    .btn-lg {
        padding: 1rem 1.5rem;
        font-size: var(--mobile-font-size-base);
        min-height: 3rem;
    }
    
    /* Full-width buttons on mobile */
    .btn-mobile-full {
        width: 100%;
        margin-bottom: var(--mobile-spacing-sm);
    }
    
    /* Button groups */
    .btn-group {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-group > .btn {
        border-radius: 8px !important;
        margin-bottom: 0.25rem;
    }
    
    .btn-group > .btn:last-child {
        margin-bottom: 0;
    }
}

/* ========================================
   Mobile Card & Content Layout
======================================== */
@media (max-width: 767.98px) {
    /* Card improvements */
    .card {
        border-radius: 12px;
        margin-bottom: var(--mobile-spacing-lg);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }
    
    .card-header,
    .card-footer {
        padding: var(--mobile-spacing-md);
        border-radius: 12px 12px 0 0;
    }
    
    .card-body {
        padding: var(--mobile-spacing-md);
    }
    
    .card-title {
        font-size: var(--mobile-font-size-lg);
        margin-bottom: var(--mobile-spacing-sm);
    }
    
    /* Alert improvements */
    .alert {
        border-radius: 12px;
        padding: var(--mobile-spacing-md);
        margin-bottom: var(--mobile-spacing-lg);
        font-size: var(--mobile-font-size-sm);
    }
    
    /* Modal improvements */
    .modal-dialog {
        margin: var(--mobile-spacing-md);
        max-width: calc(100% - 2rem);
    }
    
    .modal-content {
        border-radius: 16px;
    }
    
    .modal-header,
    .modal-footer {
        padding: var(--mobile-spacing-md);
    }
    
    .modal-body {
        padding: var(--mobile-spacing-md);
        max-height: 70vh;
        overflow-y: auto;
    }
}

/* ========================================
   Mobile Table Enhancements
======================================== */
@media (max-width: 767.98px) {
    /* Responsive table wrapper */
    .table-responsive {
        border: none;
        border-radius: 12px;
        overflow: hidden;
    }
    
    /* Table styling */
    .table {
        font-size: var(--mobile-font-size-xs);
        margin-bottom: 0;
    }
    
    .table th,
    .table td {
        padding: var(--mobile-spacing-xs) 0.25rem;
        vertical-align: middle;
    }
    
    /* Stacked table for mobile */
    .table-mobile-stack {
        display: block;
        width: 100%;
    }
    
    .table-mobile-stack thead,
    .table-mobile-stack tbody,
    .table-mobile-stack th,
    .table-mobile-stack td,
    .table-mobile-stack tr {
        display: block;
    }
    
    .table-mobile-stack thead tr {
        position: absolute;
        top: -9999px;
        left: -9999px;
    }
    
    .table-mobile-stack tr {
        border: 1px solid #dee2e6;
        border-radius: 12px;
        margin-bottom: var(--mobile-spacing-md);
        padding: var(--mobile-spacing-md);
        background: white;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }
    
    .table-mobile-stack td {
        border: none;
        padding: var(--mobile-spacing-xs) 0;
        position: relative;
        padding-left: 40%;
        text-align: left;
    }
    
    .table-mobile-stack td:before {
        content: attr(data-label) ": ";
        position: absolute;
        left: 0;
        width: 35%;
        padding-right: var(--mobile-spacing-xs);
        font-weight: 600;
        color: var(--pushpa-blue);
        text-align: left;
    }
}

/* ========================================
   Mobile Pagination & Navigation
======================================== */
@media (max-width: 767.98px) {
    /* Pagination improvements */
    .pagination {
        justify-content: center;
        margin-top: var(--mobile-spacing-lg);
    }
    
    .pagination .page-link {
        padding: var(--mobile-spacing-sm);
        font-size: var(--mobile-font-size-sm);
        border-radius: 8px;
        margin: 0 2px;
        min-width: var(--mobile-touch-target);
        min-height: var(--mobile-touch-target);
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Breadcrumb improvements */
    .breadcrumb {
        background: transparent;
        padding: var(--mobile-spacing-sm) 0;
        margin-bottom: var(--mobile-spacing-md);
        font-size: var(--mobile-font-size-xs);
    }
    
    .breadcrumb-item + .breadcrumb-item::before {
        padding: 0 var(--mobile-spacing-xs);
    }
}

/* ========================================
   Mobile Utility Classes
======================================== */
@media (max-width: 575.98px) {
    /* Mobile-specific spacing utilities */
    .p-mobile-0 { padding: 0 !important; }
    .p-mobile-1 { padding: var(--mobile-spacing-xs) !important; }
    .p-mobile-2 { padding: var(--mobile-spacing-sm) !important; }
    .p-mobile-3 { padding: var(--mobile-spacing-md) !important; }
    .p-mobile-4 { padding: var(--mobile-spacing-lg) !important; }
    
    .m-mobile-0 { margin: 0 !important; }
    .m-mobile-1 { margin: var(--mobile-spacing-xs) !important; }
    .m-mobile-2 { margin: var(--mobile-spacing-sm) !important; }
    .m-mobile-3 { margin: var(--mobile-spacing-md) !important; }
    .m-mobile-4 { margin: var(--mobile-spacing-lg) !important; }
    
    /* Mobile text alignment */
    .text-mobile-center { text-align: center !important; }
    .text-mobile-left { text-align: left !important; }
    .text-mobile-right { text-align: right !important; }
    
    /* Mobile display utilities */
    .d-mobile-none { display: none !important; }
    .d-mobile-block { display: block !important; }
    .d-mobile-flex { display: flex !important; }
    
    /* Mobile flex utilities */
    .flex-mobile-column { flex-direction: column !important; }
    .flex-mobile-wrap { flex-wrap: wrap !important; }
    .justify-content-mobile-center { justify-content: center !important; }
    .align-items-mobile-center { align-items: center !important; }
}

/* ========================================
   Mobile Animation Improvements
======================================== */
@media (max-width: 767.98px) {
    /* Reduce motion for better performance */
    @media (prefers-reduced-motion: reduce) {
        *,
        *::before,
        *::after {
            animation-duration: 0.01ms !important;
            animation-iteration-count: 1 !important;
            transition-duration: 0.01ms !important;
        }
    }
    
    /* Smooth entrance animations */
    .animate-fade-in {
        animation: fadeIn 0.3s ease-in-out;
    }
    
    .animate-slide-up {
        animation: slideUp 0.4s ease-out;
    }
    
    .animate-slide-in-left {
        animation: slideInLeft 0.4s ease-out;
    }
    
    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }
    
    @keyframes slideUp {
        from { 
            opacity: 0; 
            transform: translateY(20px); 
        }
        to { 
            opacity: 1; 
            transform: translateY(0); 
        }
    }
    
    @keyframes slideInLeft {
        from { 
            opacity: 0; 
            transform: translateX(-20px); 
        }
        to { 
            opacity: 1; 
            transform: translateX(0); 
        }
    }
}

/* ========================================
   Mobile Performance Optimizations
======================================== */
@media (max-width: 767.98px) {
    /* Optimize images */
    img {
        max-width: 100%;
        height: auto;
        border-radius: 8px;
    }
    
    /* Optimize background images */
    .bg-image-mobile {
        background-size: cover;
        background-position: center;
        background-attachment: scroll; /* Avoid fixed on mobile */
    }
    
    /* Optimize scrolling */
    .scroll-container {
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        scrollbar-color: var(--pushpa-blue) transparent;
    }
    
    /* Custom scrollbar for webkit */
    .scroll-container::-webkit-scrollbar {
        width: 4px;
        height: 4px;
    }
    
    .scroll-container::-webkit-scrollbar-track {
        background: transparent;
    }
    
    .scroll-container::-webkit-scrollbar-thumb {
        background: var(--pushpa-blue);
        border-radius: 2px;
    }
}

/* ========================================
   Mobile Accessibility Enhancements
======================================== */
@media (max-width: 767.98px) {
    /* High contrast mode support */
    @media (prefers-contrast: high) {
        .btn,
        .form-control,
        .card {
            border: 2px solid;
        }
        
        .text-muted {
            color: #495057 !important;
        }
    }
    
    /* Large text support */
    @media (prefers-reduced-motion: no-preference) {
        .btn:hover,
        .nav-link:hover,
        .card:hover {
            transition: var(--mobile-transition);
        }
    }
    
    /* Focus indicators */
    .sr-only-mobile {
        position: absolute !important;
        width: 1px !important;
        height: 1px !important;
        padding: 0 !important;
        margin: -1px !important;
        overflow: hidden !important;
        clip: rect(0, 0, 0, 0) !important;
        white-space: nowrap !important;
        border: 0 !important;
    }
    
    .sr-only-mobile:focus {
        position: static !important;
        width: auto !important;
        height: auto !important;
        padding: var(--mobile-spacing-sm) !important;
        margin: 0 !important;
        overflow: visible !important;
        clip: auto !important;
        white-space: normal !important;
        background: var(--pushpa-blue) !important;
        color: white !important;
        border-radius: 4px !important;
    }
}