/* Browser Image Cropper - Custom Styles */

/* Global Styles */
body {
    background-color: #f8f9fa;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Upload Zone Styles */
.upload-zone {
    background-color: #ffffff;
    transition: all 0.3s ease;
    cursor: pointer;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.upload-zone:hover,
.upload-zone.hover-ready {
    background-color: #f8f9fa;
    border-color: #0d6efd !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.upload-zone.drag-over {
    background-color: #e7f3ff;
    border-color: #0d6efd !important;
    transform: scale(1.02);
    box-shadow: 0 6px 12px rgba(13, 110, 253, 0.2);
}

/* Custom Dimensions Styles */
#custom-dimensions .form-control.is-invalid {
    border-color: #dc3545;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

#custom-dimensions .invalid-feedback {
    display: block;
    font-size: 0.75rem;
    color: #dc3545;
    margin-top: 0.25rem;
}

#custom-dimensions .form-label {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

#apply-custom-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

#current-dimensions {
    font-size: 0.875rem;
}

#current-dimensions strong {
    font-weight: 600;
}
.preset-btn {
    font-size: 0.875rem;
    padding: 0.5rem;
    text-align: center;
    border: 1px solid #dee2e6;
    background-color: #ffffff;
    transition: all 0.2s ease;
    cursor: pointer;
    border-radius: 0.375rem;
    position: relative;
    overflow: hidden;
}

.preset-btn:hover,
.preset-btn.hover-highlight {
    background-color: #f8f9fa;
    border-color: #0d6efd;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.preset-btn.active {
    background-color: #0d6efd;
    color: white;
    border-color: #0d6efd;
    box-shadow: 0 2px 8px rgba(13, 110, 253, 0.3);
}

.preset-btn.active-touch {
    transform: scale(0.95);
    transition: transform 0.1s ease;
}

.preset-btn .preset-name {
    font-weight: 600;
    display: block;
}

.preset-btn .preset-size {
    font-size: 0.75rem;
    opacity: 0.8;
    display: block;
}

/* Crop Workspace Styles */
#crop-workspace {
    overflow: hidden;
    position: relative;
    background: repeating-conic-gradient(#f8f9fa 0% 25%, #ffffff 0% 50%) 50% / 20px 20px;
    height: 400px; /* Explicit height instead of min-height */
}

#crop-container {
    position: relative;
    overflow: hidden;
    width: 100%;
    height: 100%;
}

.crop-image {
    max-width: none;
    max-height: none;
    cursor: grab;
    user-select: none;
    -webkit-user-drag: none;
    transition: transform 0.1s ease-out;
    position: absolute;
    top: 0;
    left: 0;
}

.crop-image:active,
.crop-image.dragging,
.crop-image.touch-active {
    cursor: grabbing;
    transition: none;
}

.crop-frame {
    position: absolute;
    border: 2px solid #0d6efd;
    background: rgba(13, 110, 253, 0.1);
    pointer-events: none;
    z-index: 10;
}

.crop-frame::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border: 2px dashed #ffffff;
    pointer-events: none;
}

.crop-frame-label {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* Preview Styles */
#preview-container {
    background: repeating-conic-gradient(#f8f9fa 0% 25%, #ffffff 0% 50%) 50% / 10px 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-placeholder {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.preview-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 0.375rem;
}

/* Current Dimensions Display */
.size-dimensions {
    font-weight: 600;
    font-size: 1rem;
}

.size-aspect {
    font-size: 0.8rem;
    font-style: italic;
}

/* Zoom Controls */
#zoom-controls {
    background-color: #f8f9fa;
    padding: 1rem;
    border-radius: 0.375rem;
}

.form-range::-webkit-slider-thumb {
    background-color: #0d6efd;
}

.form-range::-moz-range-thumb {
    background-color: #0d6efd;
    border: none;
}

/* Error Styles */
.error-alert {
    max-width: 400px;
    animation: slideDown 0.3s ease;
}

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

/* Responsive Design - Enhanced Mobile Support */

/* Large screens (desktops) */
@media (min-width: 1200px) {
    .container-fluid {
        max-width: 1400px;
        margin: 0 auto;
    }
    
    #crop-workspace {
        height: 500px;
    }
}

/* Medium screens (tablets) */
@media (max-width: 991.98px) {
    .container-fluid {
        padding: 0.75rem;
    }
    
    /* Stack layout on tablets */
    .col-lg-4, .col-lg-5, .col-lg-3 {
        margin-bottom: 1.5rem;
    }
    
    #crop-workspace {
        height: 400px;
    }
    
    /* Optimize preset buttons for tablet */
    .preset-btn {
        font-size: 0.8rem;
        padding: 0.5rem;
        min-height: 50px;
    }
}

/* Small screens (mobile landscape) */
@media (max-width: 768px) {
    .container-fluid {
        padding: 0.5rem;
    }
    
    header .col {
        text-align: center;
    }
    
    header .h3 {
        font-size: 1.5rem;
    }
    
    header .small {
        font-size: 0.8rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .card-header {
        padding: 0.75rem 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    #crop-workspace {
        height: 300px;
    }
    
    /* Mobile-optimized preset buttons */
    .preset-btn {
        font-size: 0.75rem;
        padding: 0.5rem 0.375rem;
        min-height: 55px;
    }
    
    .preset-btn .preset-name {
        font-size: 0.75rem;
        line-height: 1.2;
    }
    
    .preset-btn .preset-size {
        font-size: 0.625rem;
        margin-top: 2px;
    }
    
    /* Optimize form controls for mobile */
    .form-control {
        font-size: 16px; /* Prevents zoom on iOS */
        padding: 0.5rem 0.75rem;
    }
    
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    /* Mobile zoom controls */
    #zoom-controls {
        padding: 0.75rem;
        background-color: #f8f9fa;
        border-radius: 0.5rem;
        margin-top: 0.75rem;
    }
    
    #zoom-controls .btn {
        min-width: 40px;
        height: 40px;
        padding: 0;
        font-size: 1.1rem;
        font-weight: bold;
    }
    
    .form-range {
        height: 6px;
        margin: 0 0.5rem;
    }
    
    /* Mobile preview adjustments */
    #preview-container {
        min-height: 180px;
    }
    
    .preview-info {
        font-size: 0.75rem !important;
    }
}

/* Extra small screens (mobile portrait) */
@media (max-width: 576px) {
    .container-fluid {
        padding: 0.25rem;
    }
    
    header {
        padding: 0.75rem 0 !important;
        margin-bottom: 0.75rem !important;
    }
    
    .card {
        margin-bottom: 0.75rem;
    }
    
    .card-header {
        padding: 0.5rem 0.75rem;
    }
    
    .card-body {
        padding: 0.75rem;
    }
    
    #crop-workspace {
        height: 250px;
    }
    
    /* Compact preset grid for small screens */
    #preset-buttons .col-6 {
        padding: 0.125rem;
    }
    
    .preset-btn {
        font-size: 0.7rem;
        padding: 0.375rem 0.25rem;
        min-height: 50px;
    }
    
    .preset-btn .preset-name {
        font-size: 0.7rem;
    }
    
    .preset-btn .preset-size {
        font-size: 0.6rem;
    }
    
    /* Compact custom dimensions */
    #custom-dimensions .row.g-2 {
        margin: 0 -0.25rem;
    }
    
    #custom-dimensions .col-6 {
        padding: 0 0.25rem;
    }
    
    .form-label {
        font-size: 0.8rem;
        margin-bottom: 0.25rem;
    }
    
    /* Mobile-optimized buttons */
    .btn-sm {
        font-size: 0.8rem;
        padding: 0.375rem 0.75rem;
    }
    
    #download-btn {
        font-size: 0.9rem;
        padding: 0.75rem;
    }
    
    /* Compact zoom controls */
    #zoom-controls {
        padding: 0.5rem;
    }
    
    #zoom-controls .btn {
        min-width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    /* Smaller preview for mobile */
    #preview-container {
        min-height: 150px;
    }
    
    /* Compact alerts */
    #current-dimensions {
        font-size: 0.8rem;
        padding: 0.5rem 0.75rem;
    }
    
    .error-alert {
        font-size: 0.85rem;
        max-width: 95vw;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    /* Remove hover effects on touch devices */
    .crop-image {
        cursor: default;
    }
    
    .crop-image:active {
        cursor: default;
    }
    
    .upload-zone:hover {
        background-color: #ffffff;
        border-color: #dee2e6 !important;
        transform: none;
    }
    
    .preset-btn:hover {
        background-color: #ffffff;
        border-color: #dee2e6;
    }
    
    /* Larger touch targets */
    .upload-zone {
        min-height: 140px;
        padding: 1.5rem;
    }
    
    .preset-btn {
        padding: 0.75rem 0.5rem;
        min-height: 60px;
        border-width: 2px;
    }
    
    .btn {
        min-height: 44px; /* iOS recommended touch target size */
        padding: 0.75rem 1rem;
    }
    
    .form-control {
        min-height: 44px;
        padding: 0.75rem;
    }
    
    .form-range {
        height: 8px;
    }
    
    /* Enhanced touch feedback */
    .preset-btn:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }
    
    .btn:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }
    
    /* Prevent text selection on touch */
    .crop-image,
    .preset-btn,
    .btn,
    .crop-frame {
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;
        -webkit-touch-callout: none;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .crop-frame {
        border-width: 1px; /* Thinner borders on high DPI */
    }
    
    .preview-canvas {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Landscape orientation on mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .container-fluid {
        padding: 0.5rem;
    }
    
    /* Adjust layout for landscape */
    .row {
        margin: 0 -0.25rem;
    }
    
    .col-lg-4, .col-lg-5, .col-lg-3 {
        padding: 0 0.25rem;
        margin-bottom: 0.5rem;
    }
    
    #crop-workspace {
        height: 200px;
    }
    
    header {
        padding: 0.5rem 0 !important;
        margin-bottom: 0.5rem !important;
    }
    
    .card-body {
        padding: 0.5rem;
    }
}

/* Dark mode support (if system preference) */
@media (prefers-color-scheme: dark) {
    /* This is optional - keeping light theme for now but structure is ready */
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .crop-image,
    .preset-btn,
    .btn,
    .upload-zone,
    .error-alert {
        transition: none !important;
        animation: none !important;
    }
    
    .loading::after {
        animation: none !important;
    }
}

/* Utility Classes */
.text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.border-dashed {
    border-style: dashed !important;
}

/* User Feedback Enhancements */
.zoom-btn-hover {
    background-color: #0d6efd !important;
    color: white !important;
    transform: scale(1.1);
    transition: all 0.2s ease;
}

.download-ready {
    background-color: #157347 !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(21, 115, 71, 0.3) !important;
}

.status-indicator {
    animation: statusPulse 2s ease-in-out;
}

@keyframes statusPulse {
    0% { opacity: 0; transform: scale(0.8); }
    50% { opacity: 1; transform: scale(1.1); }
    100% { opacity: 1; transform: scale(1); }
}

.spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Enhanced tooltips */
.tooltip {
    font-size: 0.8rem;
}

.tooltip-inner {
    max-width: 250px;
    text-align: left;
    background-color: rgba(0, 0, 0, 0.9);
    border-radius: 6px;
    padding: 8px 12px;
}

/* Progress indicators */
#processing-indicator,
#quick-indicator {
    animation: slideDown 0.3s ease;
}

/* Contextual help overlay */
.dimension-help-overlay {
    animation: fadeIn 0.5s ease;
    backdrop-filter: blur(2px);
}

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

/* Enhanced alert styles */
.alert-light {
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
}

/* Icon enhancements */
.bi {
    vertical-align: -0.125em;
}

/* Hover state improvements */
.form-control:focus {
    border-color: #0d6efd;
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.btn:focus {
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #0d6efd;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}