* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(45deg, #ff6b6b, #ee5a24);
    --success-gradient: linear-gradient(45deg, #56ab2f, #a8e6cf);
    --warning-gradient: linear-gradient(45deg, #f093fb 0%, #f5576c 100%);
    --dark-gradient: linear-gradient(45deg, #bdc3c7, #2c3e50);
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --text-light: rgba(255, 255, 255, 0.9);
    --text-muted: rgba(255, 255, 255, 0.7);
    --shadow-light: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-medium: 0 8px 25px rgba(0,0,0,0.2);
    --shadow-heavy: 0 15px 35px rgba(0,0,0,0.3);
    --border-radius: 15px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: var(--primary-gradient);
    min-height: 100vh;
    transition: var(--transition);
}

/* RTL Support */
[dir="rtl"] {
    text-align: right;
}

[dir="ltr"] {
    text-align: left;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: white;
}

.logo i {
    font-size: 2rem;
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav a {
    color: white;
    text-decoration: none;
    transition: var(--transition);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    position: relative;
}

.nav a:hover {
    background: var(--glass-border);
    transform: translateY(-2px);
}

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: 0.5rem;
    margin-left: 1rem;
}

[dir="rtl"] .language-switcher {
    margin-left: 0;
    margin-right: 1rem;
}

.lang-btn {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.lang-btn:hover,
.lang-btn.active {
    background: var(--glass-border);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    box-shadow: var(--shadow-light);
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem;
    z-index: 999;
    transform: translateY(-100%);
    transition: var(--transition);
}

.mobile-menu.active {
    display: block;
    transform: translateY(0);
}

.mobile-menu a {
    display: block;
    color: white;
    text-decoration: none;
    padding: 1rem;
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition);
}

.mobile-menu a:hover {
    background: var(--glass-border);
}

.mobile-language-switcher {
    display: flex;
    gap: 0.5rem;
    padding: 1rem;
    justify-content: center;
}

/* Tools Navigation */
.tools-nav {
    padding: 120px 0 20px;
    background: rgba(0, 0, 0, 0.1);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.tool-card {
    background: var(--glass-bg);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    color: white;
    backdrop-filter: blur(10px);
}

.tool-card:hover,
.tool-card.active {
    background: var(--glass-border);
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.tool-card i {
    font-size: 2rem;
    margin-bottom: 1rem;
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tool-card h3 {
    margin-bottom: 0.5rem;
}

.tool-card p {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Main Content */
.main-content {
    padding: 40px 0;
}

.tool-section {
    display: none;
    color: white;
    margin-bottom: 3rem;
}

.tool-section.active {
    display: block;
}

.tool-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
}

.tool-section p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    text-align: center;
    opacity: 0.9;
}

/* Upload Area */
.upload-area {
    background: var(--glass-bg);
    border: 3px dashed rgba(255, 255, 255, 0.5);
    border-radius: var(--border-radius);
    padding: 60px 20px;
    margin: 2rem 0;
    transition: var(--transition);
    cursor: pointer;
    backdrop-filter: blur(10px);
    text-align: center;
}

.upload-area:hover,
.upload-area.dragover {
    background: var(--glass-border);
    border-color: rgba(255, 255, 255, 0.8);
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.upload-content i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.7;
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.upload-content h3 {
    margin-bottom: 0.5rem;
}

.upload-content p {
    margin-bottom: 1.5rem;
    opacity: 0.8;
    font-size: 1rem;
}

.upload-btn {
    background: var(--secondary-gradient);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 50px;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.upload-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* Settings */
.settings, .converter-settings, .watermark-settings, .collage-settings, .pdf-settings {
    background: var(--glass-bg);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin: 2rem 0;
    backdrop-filter: blur(10px);
}

.settings h3, .converter-settings h3, .watermark-settings h3, .collage-settings h3, .pdf-settings h3 {
    margin-bottom: 1.5rem;
    text-align: center;
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.setting-group {
    margin-bottom: 1.5rem;
}

.setting-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

/* Images Container */
.images-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.image-card {
    background: var(--glass-bg);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.image-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.image-preview {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 1rem;
}

.image-info {
    margin-bottom: 1rem;
}

.image-info h4 {
    margin-bottom: 0.5rem;
    word-break: break-word;
}

.image-info p {
    font-size: 0.9rem;
    opacity: 0.8;
    text-align: left;
}

[dir="rtl"] .image-info p {
    text-align: right;
}

.compression-stats {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
}

.stat {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    overflow: hidden;
    margin: 1rem 0;
}

.progress-fill {
    height: 100%;
    background: var(--success-gradient);
    width: 0%;
    transition: width 0.5s ease;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    margin: 0.25rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
}

.btn-success {
    background: var(--success-gradient);
    color: white;
}

.btn-secondary {
    background: var(--dark-gradient);
    color: white;
}

.btn-danger {
    background: linear-gradient(45deg, #d32f2f, #e57373);
    color: white;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-light);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Batch Actions */
.batch-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 1rem 0;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius);
}

/* Editor Workspace */
.editor-workspace {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 2rem;
    background: var(--glass-bg);
    border-radius: var(--border-radius);
    padding: 2rem;
    backdrop-filter: blur(10px);
}

.editor-sidebar {
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius);
    padding: 1.5rem;
}

.editor-tools h3 {
    margin-bottom: 1.5rem;
    text-align: center;
}

.tool-group {
    margin-bottom: 2rem;
}

.tool-group h4 {
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--glass-border);
}

.adjustment-control {
    margin-bottom: 1rem;
}

.adjustment-control label {
    display: block;
    margin-bottom: 0.5rem;
}

.filter-buttons, .transform-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 0.5rem;
    margin-top: 1rem;
}

.filter-btn {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
    background: var(--glass-border);
    transform: translateY(-2px);
}

.editor-canvas-area {
    display: flex;
    flex-direction: column;
    align-items: center;
}

#editorCanvas {
    max-width: 100%;
    background: #fff;
    border-radius: 10px;
    margin-bottom: 1.5rem;
}

.editor-actions {
    display: flex;
    gap: 1rem;
}

/* PDF Tools */
.pdf-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.pdf-tool-card {
    background: var(--glass-bg);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    backdrop-filter: blur(10px);
}

.pdf-tool-card i {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pdf-tool-card h3 {
    margin-bottom: 0.5rem;
}

.pdf-tool-card p {
    margin-bottom: 1.5rem;
    opacity: 0.8;
}

.pdf-settings {
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin: 1.5rem 0;
}

/* Extracted Images Grid */
.extracted-images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

/* Image Actions */
.image-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    margin-top: 1rem;
}

/* Watermark Tool Styles */
.success-text {
    color: #4CAF50;
    font-weight: bold;
}

#watermarkImageInput {
    width: 100%;
    padding: 10px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    color: white;
    margin-top: 5px;
}

#watermarkText {
    margin-bottom: 15px;
}

.image-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 200px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
}

.image-loading .loading {
    width: 30px;
    height: 30px;
    margin-bottom: 10px;
}

/* Improve visibility of watermark settings */
.watermark-settings {
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin: 2rem 0;
}

.watermark-settings h3 {
    margin-bottom: 1.5rem;
    text-align: center;
    font-size: 1.5rem;
}

/* Improve radio buttons */
.radio-group {
    display: flex;
    gap: 2rem;
    margin-top: 0.5rem;
    margin-bottom: 1rem;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 1.1rem;
}

/* Collage Workspace */
.collage-workspace {
    text-align: center;
    margin: 2rem 0;
}

#collageCanvas {
    max-width: 100%;
    background: #fff;
    border-radius: 10px;
    margin-bottom: 1.5rem;
}

.collage-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* Metadata Display */
.metadata-display {
    background: var(--glass-bg);
    border-radius: var(--border-radius);
    padding: 2rem;
    backdrop-filter: blur(10px);
}

.metadata-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 2rem;
}

.metadata-preview {
    text-align: center;
}

.metadata-preview img {
    max-width: 100%;
    border-radius: 10px;
}

.metadata-info h3 {
    margin-bottom: 1.5rem;
}

.metadata-table {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    padding: 1.5rem;
}

.metadata-table table {
    width: 100%;
    border-collapse: collapse;
}

.metadata-table th, .metadata-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
}

[dir="rtl"] .metadata-table th, [dir="rtl"] .metadata-table td {
    text-align: right;
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.2);
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer-section p {
    color: var(--text-muted);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--glass-border);
    color: var(--text-muted);
}

/* Notifications */
.notification {
    position: fixed;
    top: 100px;
    right: 20px;
    background: var(--glass-bg);
    color: white;
    padding: 15px 20px;
    border-radius: 8px;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-medium);
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: 10px;
    max-width: 400px;
    animation: slideInRight 0.3s ease;
}

[dir="rtl"] .notification {
    right: auto;
    left: 20px;
    animation: slideInLeft 0.3s ease;
}

.notification-success {
    border-left: 4px solid #4CAF50;
}

.notification-error {
    border-left: 4px solid #f44336;
}

.notification-info {
    border-left: 4px solid #2196F3;
}

[dir="rtl"] .notification-success {
    border-left: none;
    border-right: 4px solid #4CAF50;
}

[dir="rtl"] .notification-error {
    border-left: none;
    border-right: 4px solid #f44336;
}

[dir="rtl"] .notification-info {
    border-left: none;
    border-right: 4px solid #2196F3;
}

/* Loading container */
.loading-container {
    text-align: center;
    padding: 2rem;
    background: var(--glass-bg);
    border-radius: var(--border-radius);
    margin: 1rem 0;
}

/* Error message */
.error-message {
    background: rgba(255, 0, 0, 0.1);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    margin: 1rem 0;
}

.error-message i {
    font-size: 3rem;
    color: #f44336;
    margin-bottom: 1rem;
}

/* Animations */
@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

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

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

/* Loading Spinner */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .editor-workspace {
        grid-template-columns: 1fr;
    }
    
    .metadata-grid {
        grid-template-columns: 1fr;
    }
    
    .pdf-tools-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .tools-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .tool-section h2 {
        font-size: 2rem;
    }
    
    .settings-grid {
        grid-template-columns: 1fr;
    }
    
    .images-container {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .tools-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .tool-card i {
        font-size: 1.5rem;
    }
    
    .tool-card h3 {
        font-size: 1rem;
    }
    
    .upload-area {
        padding: 30px 15px;
    }
    
    .upload-content i {
        font-size: 3rem;
    }
    
    .batch-actions {
        flex-direction: column;
    }
}

/* تحسين عناصر النماذج (Forms) */
select {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.3);
    color: white;
    font-size: 1rem;
    appearance: none; /* إزالة مظهر القائمة المنسدلة الافتراضي */
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg fill='white' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/><path d='M0 0h24v24H0z' fill='none'/></svg>");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 30px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

[dir="rtl"] select {
    background-position: left 10px center;
    padding-right: 10px;
    padding-left: 30px;
}

select:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.5);
}

select option {
    background-color: #333;
    color: white;
    padding: 10px;
}

input[type="text"],
input[type="number"] {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.3);
    color: white;
    font-size: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

input[type="text"]:focus,
input[type="number"]:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.5);
}

input[type="range"] {
    width: 100%;
    height: 6px;
    -webkit-appearance: none;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: white;
    cursor: pointer;
    transition: var(--transition);
}

input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border: none;
    border-radius: 50%;
    background: white;
    cursor: pointer;
    transition: var(--transition);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

input[type="range"]::-moz-range-thumb:hover {
    transform: scale(1.2);
}

/* Radio buttons */
.radio-group {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

input[type="radio"] {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    outline: none;
    transition: var(--transition);
}

input[type="radio"]:checked {
    border: 5px solid white;
    background: var(--primary-gradient);
}

/* Checkbox */
input[type="checkbox"] {
    -
/* تحسينات إضافية للهواتف المحمولة */
@media (max-width: 480px) {
    /* تحسين عرض الأدوات */
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
    
    /* تصغير حجم الأيقونات والخطوط */
    .tool-card i {
        font-size: 1.5rem;
        margin-bottom: 0.5rem;
    }
    
    .tool-card h3 {
        font-size: 0.9rem;
        margin-bottom: 0.3rem;
    }
    
    .tool-card p {
        font-size: 0.8rem;
    }
    
    /* تحسين منطقة الرفع */
    .upload-area {
        padding: 20px 10px;
    }
    
    .upload-content i {
        font-size: 2.5rem;
    }
    
    .upload-content h3 {
        font-size: 1rem;
    }
    
    .upload-content p {
        font-size: 0.8rem;
    }
    
    /* تحسين الإعدادات */
    .settings, .converter-settings, .watermark-settings, .pdf-settings {
        padding: 1rem;
    }
    
    .settings h3, .converter-settings h3, .watermark-settings h3, .pdf-settings h3 {
        font-size: 1.2rem;
    }
    
    /* تحسين بطاقات الصور */
    .image-card {
        padding: 1rem;
    }
    
    .image-preview {
        height: 150px;
    }
    
    /* تحسين الأزرار */
    .btn {
        padding: 8px 15px;
        font-size: 0.9rem;
    }
    
    /* تحسين محرر الصور */
    .editor-workspace {
        grid-template-columns: 1fr;
    }
    
    .editor-sidebar {
        padding: 1rem;
        margin-bottom: 1rem;
    }
    
    .editor-tools h3 {
        font-size: 1.2rem;
    }
    
    .tool-group h4 {
        font-size: 1rem;
    }
    
    /* تحسين عارض البيانات الوصفية */
    .metadata-grid {
        grid-template-columns: 1fr;
    }
    
    /* تحسين أدوات PDF */
    .pdf-tools-grid {
        grid-template-columns: 1fr;
    }
    
    /* تحسين الإشعارات */
    .notification {
        max-width: 90%;
        font-size: 0.9rem;
        padding: 10px 15px;
    }
}

/* تحسينات للأجهزة المتوسطة (الأجهزة اللوحية) */
@media (min-width: 481px) and (max-width: 768px) {
    .tools-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .images-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .settings-grid {
        grid-template-columns: 1fr;
    }
}

/* تحسين التوجيه الأفقي للهواتف */
@media (max-height: 500px) and (orientation: landscape) {
    .tools-nav {
        padding: 100px 0 10px;
    }
    
    .tools-grid {
        grid-template-columns: repeat(6, 1fr);
    }
    
    .tool-card {
        padding: 0.8rem;
    }
    
    .tool-card i {
        font-size: 1.5rem;
        margin-bottom: 0.3rem;
    }
    
    .editor-workspace {
        grid-template-columns: 250px 1fr;
    }
}

/* تحسين التفاعلية للشاشات التي تعمل باللمس */
@media (hover: none) {
    .tool-card:hover {
        transform: none;
    }
    
    .tool-card.active {
        transform: translateY(-3px);
        box-shadow: var(--shadow-medium);
    }
    
    .btn:hover {
        transform: none;
    }
    
    .btn:active {
        transform: translateY(-2px);
    }
}

/* تحسين حجم الخط للشاشات الصغيرة */
@media (max-width: 320px) {
    body {
        font-size: 14px;
    }
    
    .tool-card h3 {
        font-size: 0.8rem;
    }
    
    .tool-card p {
        font-size: 0.7rem;
    }
    
    .btn {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
}

/* تحسين الأداء على الأجهزة المحمولة */
@media (max-width: 768px) {
    .upload-area, .tool-card, .image-card, .settings, .converter-settings, .watermark-settings, .pdf-settings {
        backdrop-filter: none;
    }
}

/* تحسين تجربة المستخدم عند استخدام لوحة المفاتيح */
.btn:focus, .tool-card:focus, .filter-btn:focus, input:focus, select:focus {
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

/* تحسين قابلية الوصول */
.upload-btn, .btn, .tool-card {
    cursor: pointer;
    touch-action: manipulation;
}

/* تحسين الأداء عند التمرير */
.header {
    will-change: transform;
}