/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Dark Mode Scrollbar */
.dark ::-webkit-scrollbar-track {
    background: #1e293b;
}

.dark ::-webkit-scrollbar-thumb {
    background: #475569;
}

.dark ::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

/* Drop Zone Styles */
.drop-zone {
    transition: all 0.3s ease;
    background-image: url("data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='16' ry='16' stroke='%23CBD5E1FF' stroke-width='3' stroke-dasharray='12%2c 12' stroke-dashoffset='0' stroke-linecap='square'/%3e%3c/svg%3e");
}

.drop-zone.active {
    background-color: #f0f9ff;
    background-image: url("data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='16' ry='16' stroke='%233B82F6FF' stroke-width='3' stroke-dasharray='12%2c 12' stroke-dashoffset='0' stroke-linecap='square'/%3e%3c/svg%3e");
    transform: scale(1.02);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

/* Dark Mode Drop Zone */
.dark .drop-zone {
    background-image: url("data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='16' ry='16' stroke='%23475569FF' stroke-width='3' stroke-dasharray='12%2c 12' stroke-dashoffset='0' stroke-linecap='square'/%3e%3c/svg%3e");
}

.dark .drop-zone.active {
    background-color: #1e3a5f;
    background-image: url("data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='16' ry='16' stroke='%233B82F6FF' stroke-width='3' stroke-dasharray='12%2c 12' stroke-dashoffset='0' stroke-linecap='square'/%3e%3c/svg%3e");
}

/* Processing Animation */
@keyframes pulse-blue {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.processing-pulse {
    animation: pulse-blue 1.5s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Dark Mode Theme Variables */
.dark {
    color-scheme: dark;
}

.dark body {
    background-color: #0f172a;
    color: #e2e8f0;
}

/* Preview Modal */
.preview-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    backdrop-filter: blur(4px);
}

.preview-modal.active {
    opacity: 1;
    visibility: visible;
}

.preview-content {
    background: white;
    border-radius: 16px;
    max-width: 90vw;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.preview-modal.active .preview-content {
    transform: scale(1);
}

.dark .preview-content {
    background: #1e293b;
}

/* Image Comparison Slider */
.comparison-container {
    position: relative;
    overflow: hidden;
    cursor: ew-resize;
}

.comparison-image {
    display: block;
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
}

.comparison-before {
    position: absolute;
    top: 0;
    left: 0;
    width: 50%;
    height: 100%;
    overflow: hidden;
}

.comparison-before img {
    position: absolute;
    top: 0;
    left: 0;
    width: auto;
    height: 100%;
    max-width: none;
}

.comparison-slider {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 4px;
    background: white;
    left: 50%;
    transform: translateX(-50%);
    cursor: ew-resize;
    z-index: 10;
}

.comparison-slider::before,
.comparison-slider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 12px;
    height: 12px;
    background: white;
    border-radius: 50%;
    transform: translateY(-50%);
}

.comparison-slider::before {
    left: -14px;
    box-shadow: -2px 0 4px rgba(0,0,0,0.3);
}

.comparison-slider::after {
    right: -14px;
    box-shadow: 2px 0 4px rgba(0,0,0,0.3);
}

/* Theme Toggle Button */
.theme-toggle {
    position: relative;
    width: 44px;
    height: 24px;
    background: #e2e8f0;
    border-radius: 12px;
    cursor: pointer;
    transition: background 0.3s;
    border: none;
    padding: 0;
}

.theme-toggle:hover {
    background: #cbd5e1;
}

.dark .theme-toggle {
    background: #475569;
}

.dark .theme-toggle:hover {
    background: #64748b;
}

.theme-toggle::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: transform 0.3s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.dark .theme-toggle::after {
    transform: translateX(20px);
}

/* Preset Button Styles */
.preset-btn {
    transition: all 0.2s;
    position: relative;
}

.preset-btn:hover {
    transform: translateY(-1px);
}

.preset-btn.active {
    background-color: #3b82f6;
    color: white;
    border-color: #3b82f6;
}

.dark .preset-btn.active {
    background-color: #2563eb;
    border-color: #2563eb;
}

/* Preset Tooltip */
.preset-tooltip {
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%) scale(0.8);
    background: #1f2937;
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 10px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    pointer-events: none;
    z-index: 10;
}

.dark .preset-tooltip {
    background: #f1f5f9;
    color: #1f2937;
}

.preset-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: #1f2937;
}

.dark .preset-tooltip::after {
    border-top-color: #f1f5f9;
}

.preset-btn:hover .preset-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) scale(1);
}

/* Fade In Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.3s ease-out;
}

/* Fade Out Animation */
@keyframes fadeOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(20px);
    }
}

.animate-fade-out {
    animation: fadeOut 0.2s ease-in forwards;
}

/* Slide In Animation for Toasts */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

.animate-slide-in {
    animation: slideIn 0.3s ease-out;
}

.animate-slide-out {
    animation: slideOut 0.3s ease-in forwards;
}

/* Toast Styles */
.toast {
    border-left: 4px solid #3b82f6;
}

.toast.toast-success {
    border-left-color: #22c55e;
}

.toast.toast-error {
    border-left-color: #ef4444;
}

.toast.toast-warning {
    border-left-color: #f59e0b;
}

.toast.toast-info {
    border-left-color: #3b82f6;
}

/* Toast Icon Colors */
.toast-icon svg {
    width: 20px;
    height: 20px;
}

.toast-success .toast-icon {
    color: #22c55e;
}

.toast-error .toast-icon {
    color: #ef4444;
}

.toast-warning .toast-icon {
    color: #f59e0b;
}

.toast-info .toast-icon {
    color: #3b82f6;
}

/* Input focus states for dark mode */
.dark input:focus,
.dark select:focus {
    border-color: #3b82f6;
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
}

/* Range slider custom styling */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    height: 8px;
    border-radius: 4px;
    background: #e2e8f0;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #3b82f6;
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    transition: transform 0.2s;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #3b82f6;
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.dark input[type="range"] {
    background: #475569;
}

/* Button press effect */
button:active:not(:disabled) {
    transform: scale(0.98);
}

/* Smooth focus outlines */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

/* Loading shimmer effect */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.shimmer {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

.dark .shimmer {
    background: linear-gradient(90deg, #334155 25%, #475569 50%, #334155 75%);
    background-size: 200% 100%;
}

/* Success checkmark animation */
@keyframes checkmark {
    0% {
        stroke-dashoffset: 100;
    }
    100% {
        stroke-dashoffset: 0;
    }
}

.checkmark-animate {
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    animation: checkmark 0.5s ease-out forwards;
}

/* Bounce animation for icons */
@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-4px);
    }
}

.animate-bounce {
    animation: bounce 0.5s ease-in-out;
}

/* Progress bar glow */
#progressFill {
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
}

/* Keyboard shortcut styling */
kbd {
    font-size: 11px;
}

/* File list item hover glow */
#resultsList > div:hover {
    box-shadow: inset 0 0 0 1px rgba(59, 130, 246, 0.1);
}

.dark #resultsList > div:hover {
    box-shadow: inset 0 0 0 1px rgba(59, 130, 246, 0.2);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .preset-tooltip {
        display: none;
    }

    .theme-toggle {
        width: 40px;
        height: 22px;
    }

    .theme-toggle::after {
        width: 18px;
        height: 18px;
    }

    .dark .theme-toggle::after {
        transform: translateX(18px);
    }
}

/* Print styles */
@media print {
    .preview-modal,
    #toastContainer,
    header,
    footer {
        display: none !important;
    }
}