:root {
    /* Ana Renkler */
    --primary-color: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    
    /* Durum Renkleri */
    --success-color: #10b981;
    --success-light: #34d399;
    --warning-color: #f59e0b;
    --warning-light: #fbbf24;
    --error-color: #ef4444;
    --error-light: #f87171;
    --info-color: #0ea5e9;
    --info-light: #38bdf8;
    
    /* Nötr Renkler */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Tema Renkleri */
    --background-color: var(--gray-50);
    --card-background: #ffffff;
    --text-color: var(--gray-800);
    --text-light: var(--gray-500);
    --border-color: var(--gray-200);
    
    /* Tasarım Değişkenleri */
    --border-radius-sm: 0.375rem;
    --border-radius: 0.75rem;
    --border-radius-lg: 1rem;
    --border-radius-xl: 1.5rem;
    
    /* Gölgeler */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-md: 0 6px 12px -2px rgb(0 0 0 / 0.1), 0 3px 6px -3px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    /* Boşluklar */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Geçişler */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-spring: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-slide: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

/* Header bölümü */
.site-header {
    text-align: center;
    margin-bottom: 2rem;
}

.site-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.site-subtitle {
    color: #64748b;
    font-size: 0.95rem;
    max-width: 500px;
    margin: 0 auto;
}

/* Tool Kartları */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.tool-card {
    background: var(--card-background);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition-spring);
    overflow: hidden;
    position: relative;
    cursor: pointer;
    border: 1px solid var(--border-color);
    height: 100%;
    min-height: 220px;
    transform-origin: center;
}

.tool-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 30px -10px rgba(0, 0, 0, 0.1);
}

.tool-header {
    padding: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing);
    background: linear-gradient(to bottom, var(--gray-50), transparent);
}

.tool-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    color: white;
    font-size: 1.5rem;
    transition: var(--transition-bounce);
}

.tool-icon.compress { background-color: var(--success-color); }
.tool-icon.resize { background-color: var(--primary-color); }
.tool-icon.rotate { background-color: var(--warning-color); }
.tool-icon.convert { background-color: var(--info-color); }
.tool-icon.crop { background-color: var(--dark-color); }
.tool-icon.watermark { background-color: var(--secondary-color); }
.tool-icon.effect { background-color: var(--purple-color); }
.tool-icon.color { background-color: var(--orange-color); }
.tool-icon.filter { background-color: #ec4899; }
.tool-icon.collage { background-color: var(--primary-color); }

.tool-icon.compress { background-color: #10b981; }
.tool-icon.rotate { background-color: #f59e0b; }
.tool-icon.collage { background-color: #6366f1; }

.tool-info {
    flex: 1;
    min-width: 0;
}

.tool-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.025em;
}

.tool-description {
    font-size: 0.925rem;
    color: var(--text-light);
    margin-bottom: var(--spacing);
    line-height: 1.5;
}

.tool-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: #64748b;
}

.tool-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0;
}

.tool-feature i {
    color: var(--success-color);
    font-size: 1.1rem;
}

.tool-content {
    display: none;
    padding: var(--spacing-lg);
    background: var(--card-background);
    border-top: 1px solid var(--border-color);
}

.tool-card.active {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 1001;
    cursor: default;
}

.tool-card.active .tool-header {
    position: sticky;
    top: 0;
    background: var(--card-background);
    z-index: 2;
    border-bottom: 1px solid var(--border-color);
}

.tool-card.active .tool-info {
    align-items: flex-start;
}

.tool-card.active .tool-features {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1rem;
}

.tool-card.active .tool-content {
    display: block;
}

.overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.overlay.active {
    display: block;
    opacity: 1;
}

/* Form Elementleri */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-size: 0.925rem;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: var(--spacing-xs);
}

.form-control {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--card-background);
    color: var(--text-color);
    transition: var(--transition-spring);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 4px var(--primary-color/10%);
    transform: scale(1.02);
}

/* Butonlar */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 0.925rem;
    transition: var(--transition);
    gap: var(--spacing-xs);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

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

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

.btn-warning { background-color: var(--warning-color); }
.btn-info { background-color: var(--info-color); }
.btn-dark { background-color: var(--dark-color); }
.btn-secondary { background-color: var(--secondary-color); }
.btn-purple { background-color: var(--purple-color); }
.btn-orange { background-color: var(--orange-color); }

/* İşlem sonuçları sayfası */
.results-page {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.results-title {
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 2rem;
}

.result-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
}

.result-card .file-name {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.result-card .file-info {
    color: #64748b;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--success-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.9rem;
}

.download-btn:hover {
    background: #16a34a;
    color: white;
}

.back-btn {
    display: block;
    text-align: center;
    margin-top: 2rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.back-btn:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .tool-card.active {
        position: fixed;
        top: 1rem;
        left: 1rem;
        right: 1rem;
        bottom: 1rem;
        overflow-y: auto;
        margin: 0;
    }

    .tool-card.active .tool-header {
        position: sticky;
        top: 0;
        z-index: 1;
    }

    .history-btn {
        top: auto;
        bottom: 80px;
        right: 20px;
    }
}

/* Modal Stili */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    padding: 1rem;
    overflow-y: auto;
    transition: var(--transition-slide);
}

.modal-content {
    background: white;
    border-radius: var(--border-radius);
    max-width: 600px;
    margin: 2rem auto;
    position: relative;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition-spring);
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: #e2e8f0;
    color: #64748b;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: none;
    font-size: 1.25rem;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: #cbd5e1;
    color: #475569;
}

.modal.active {
    display: block;
}

.modal.active .modal-content {
    transform: translateY(0);
    opacity: 1;
}

/* Kolaj Düzenleri */
.collage-layouts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.layout-option {
    position: relative;
}

.layout-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.layout-option label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

.layout-option input[type="radio"]:checked + label {
    border-color: var(--primary-color);
    background: var(--primary-color-light);
}

.layout-preview {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 4px;
    background: var(--border-color);
    position: relative;
}

.layout-preview::before,
.layout-preview::after {
    content: '';
    position: absolute;
    background: rgba(255, 255, 255, 0.8);
}

.layout-preview.grid2x2::before {
    top: 50%;
    left: 5%;
    right: 5%;
    height: 2px;
    transform: translateY(-50%);
}

.layout-preview.grid2x2::after {
    left: 50%;
    top: 5%;
    bottom: 5%;
    width: 2px;
    transform: translateX(-50%);
}

.layout-preview.grid3x3 {
    background-image: linear-gradient(to right, transparent 33%, rgba(255, 255, 255, 0.8) 33%, rgba(255, 255, 255, 0.8) 34%, transparent 34%, transparent 66%, rgba(255, 255, 255, 0.8) 66%, rgba(255, 255, 255, 0.8) 67%, transparent 67%),
                      linear-gradient(to bottom, transparent 33%, rgba(255, 255, 255, 0.8) 33%, rgba(255, 255, 255, 0.8) 34%, transparent 34%, transparent 66%, rgba(255, 255, 255, 0.8) 66%, rgba(255, 255, 255, 0.8) 67%, transparent 67%);
}

.layout-preview.vertical::before {
    left: 50%;
    top: 10%;
    bottom: 10%;
    width: 2px;
    transform: translateX(-50%);
}

.layout-preview.horizontal::before {
    top: 50%;
    left: 10%;
    right: 10%;
    height: 2px;
    transform: translateY(-50%);
}

.grid-preview {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 0.5rem;
    padding: 0.5rem;
    background: var(--background-light);
    border-radius: var(--border-radius);
    min-height: 120px;
}

.grid-preview img {
    width: 100%;
    height: 100px;
    object-fit: cover;
    border-radius: 4px;
}

/* Renk ve Aralık Seçiciler */
input[type="color"] {
    -webkit-appearance: none;
    width: 100%;
    height: 40px;
    border: none;
    border-radius: var(--border-radius);
    padding: 0;
    cursor: pointer;
}

input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}

input[type="color"]::-webkit-color-swatch {
    border: none;
    border-radius: var(--border-radius);
}

/* Tool İkonları */
.tool-icon.compress { background-color: #10b981; }
.tool-icon.rotate { background-color: #f59e0b; }
.tool-icon.collage { background-color: #6366f1; }

/* Loading Spinner */
.loading-spinner {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1100;
    background: var(--card-background);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto;
    border: 4px solid var(--gray-200);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-spinner p {
    margin-top: var(--spacing);
    color: var(--text-color);
    font-weight: 500;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Sosyal Medya Şablonları */
.social-templates {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.template-option {
    position: relative;
}

.template-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.template-option label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    border: 2px solid #e2e8f0;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
}

.template-option label i {
    font-size: 1.5rem;
    color: #64748b;
}

.template-option label span {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-color);
}

.template-option label small {
    font-size: 0.8rem;
    color: #64748b;
}

.template-option input[type="radio"]:checked + label {
    border-color: var(--primary-color);
    background: #f0f9ff;
}

.template-option input[type="radio"]:checked + label i {
    color: var(--primary-color);
}

/* Özel Boyutlar */
.custom-dimensions {
    background: #f8fafc;
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
}

.dimension-input {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.dimension-input input {
    width: 100px;
    padding: 0.5rem;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 0.9rem;
}

.dimension-input span {
    color: #64748b;
    font-size: 0.9rem;
}

.aspect-ratio-lock {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: #64748b;
}

/* Önizleme Karşılaştırması */
.preview-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.preview-original,
.preview-result {
    background: #f8fafc;
    padding: 1rem;
    border-radius: var(--border-radius);
    text-align: center;
}

.preview-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: #64748b;
    margin-bottom: 0.5rem;
}

.preview-image {
    width: 100%;
    height: 200px;
    background: white;
    border-radius: 6px;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.preview-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.preview-info {
    font-size: 0.8rem;
    color: #64748b;
}

.preview-info span {
    display: block;
}

/* Submit Button */
.submit-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: var(--transition-bounce);
    width: 100%;
}

.submit-btn:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 10px 20px -5px rgba(var(--primary-color-rgb), 0.3);
}

.submit-btn:active {
    transform: translateY(0) scale(0.98);
}

/* İşlem Geçmişi */
.history-btn {
    position: fixed;
    top: 20px;
    right: 140px;
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1000;
}

.history-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.history-btn i {
    font-size: 1.2em;
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 20px;
}

.empty-history {
    text-align: center;
    color: #666;
    padding: 40px;
    font-style: italic;
}

.history-item {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.history-date {
    color: #666;
    font-size: 0.9em;
    margin-bottom: 12px;
}

.history-results {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.history-result {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: white;
    border-radius: 8px;
    border-left: 4px solid #ddd;
}

.history-result.success {
    border-left-color: var(--success-color);
}

.history-result.error {
    border-left-color: var(--error-color);
}

.result-name {
    font-weight: 500;
    color: #333;
}

.result-info {
    display: flex;
    gap: 16px;
    color: #666;
    font-size: 0.9em;
}

.error-message {
    color: var(--error-color);
}

/* Tema Değişkenleri */
:root[data-theme="light"] {
    --primary-color: #4f46e5;
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --info-color: #0ea5e9;
    --dark-color: #1e293b;
    --secondary-color: #64748b;
    --purple-color: #8b5cf6;
    --orange-color: #f97316;
    --background-color: #f8fafc;
    --card-background: #ffffff;
    --text-color: #1e293b;
    --border-color: #e2e8f0;
    --border-radius: 12px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --input-background: #ffffff;
    --input-border: #e2e8f0;
    --input-text: #1e293b;
    --modal-background: #ffffff;
    --preview-background: #f8fafc;
}

:root[data-theme="dark"] {
    --primary-color: #818cf8;
    --success-color: #34d399;
    --warning-color: #fbbf24;
    --info-color: #38bdf8;
    --dark-color: #f8fafc;
    --secondary-color: #94a3b8;
    --purple-color: #a78bfa;
    --orange-color: #fb923c;
    --background-color: #0f172a;
    --card-background: #1e293b;
    --text-color: #f8fafc;
    --border-color: #334155;
    --border-radius: 12px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
    --input-background: #1e293b;
    --input-border: #334155;
    --input-text: #f8fafc;
    --modal-background: #1e293b;
    --preview-background: #0f172a;
}

/* Tema Değiştirici */
.theme-switcher {
    position: fixed;
    top: 20px;
    right: 80px;
    z-index: 1000;
}

.theme-toggle-btn {
    background: var(--card-background);
    border: 2px solid var(--border-color);
    color: var(--text-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-spring);
}

.theme-toggle-btn:hover {
    transform: rotate(180deg) scale(1.1);
}

[data-theme="light"] .dark-icon,
[data-theme="dark"] .light-icon {
    display: none;
}

/* Yardım Butonu */
.help-btn {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    background: var(--card-background);
    border: 2px solid var(--border-color);
    color: var(--text-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-spring);
}

.help-btn:hover {
    transform: scale(1.15) rotate(-10deg);
}

/* Yardım Modalı */
.help-section {
    margin-bottom: 2rem;
}

.help-section h4 {
    color: var(--text-color);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.help-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.help-section li {
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
    font-size: 0.9rem;
}

.shortcut-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

kbd {
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 2px 6px;
    font-size: 0.8rem;
    color: var(--text-color);
}

/* Lazy Loading */
.lazy-load {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lazy-load.loaded {
    opacity: 1;
}

/* Mobil Uyumluluk İyileştirmeleri */
@media (max-width: 768px) {
    .theme-switcher {
        top: auto;
        bottom: 20px;
        right: 80px;
    }
    
    .help-btn {
        top: auto;
        bottom: 20px;
        right: 20px;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .social-templates {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .preview-comparison {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        margin: 1rem;
        max-height: calc(100vh - 2rem);
        overflow-y: auto;
    }
}

/* Karanlık Mod Uyarlamaları */
[data-theme="dark"] {
    /* Genel */
    body {
        background-color: var(--background-color);
        color: var(--text-color);
    }
    
    /* Kartlar */
    .tool-card {
        background: var(--card-background);
        border-color: var(--border-color);
    }
    
    /* Form Elemanları */
    input[type="text"],
    input[type="number"],
    select,
    .form-control {
        background: var(--input-background);
        border-color: var(--input-border);
        color: var(--input-text);
    }
    
    /* Range Input */
    .form-range {
        background: var(--border-color);
    }
    
    .form-range::-webkit-slider-thumb {
        background: var(--primary-color);
        border-color: var(--card-background);
    }
    
    /* Modal */
    .modal-content {
        background: var(--modal-background);
    }
    
    .modal-header {
        border-color: var(--border-color);
    }
    
    /* Önizleme */
    .preview-container,
    .file-upload-container {
        background: var(--preview-background);
        border-color: var(--border-color);
    }
    
    /* Yükleme Spinner */
    .loading-spinner {
        background: var(--card-background);
    }

    /* Özel Boyutlar */
    .custom-dimensions {
        background: var(--preview-background);
    }

    /* Checkbox ve Radio */
    .checkbox-group label,
    .template-option label {
        color: var(--text-color);
    }

    /* Tool Features */
    .tool-feature {
        color: var(--secondary-color);
    }

    /* Tool Description */
    .tool-description {
        color: var(--secondary-color);
    }

    /* Form Labels */
    .form-label,
    label {
        color: var(--text-color);
    }

    /* Range Value */
    .range-value {
        color: var(--text-color);
    }

    /* Buttons */
    .btn {
        border-color: transparent;
    }

    /* Modal Close Button */
    .modal-close {
        background: var(--input-background);
        color: var(--text-color);
    }

    /* Help Section */
    .help-section h4 {
        color: var(--text-color);
    }

    .help-section li {
        color: var(--secondary-color);
    }

    /* Overlay */
    .overlay {
        background: rgba(0, 0, 0, 0.7);
    }
}

/* Dosya Yükleme Alanı */
.file-upload-container {
    position: relative;
    width: 100%;
    min-height: 200px;
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-lg);
    background: var(--gray-50);
    transition: var(--transition-spring);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: var(--spacing);
    padding: var(--spacing-lg);
}

.file-upload-container:hover {
    border-color: var(--primary-light);
    background: var(--gray-100);
}

.file-upload-container.drag-over {
    transform: scale(1.02);
    border-color: var(--primary-color);
    background: rgba(var(--primary-color-rgb), 0.1);
}

.file-upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-light);
    cursor: pointer;
}

.file-upload-label i {
    font-size: 2rem;
    color: var(--primary-color);
}

.file-upload-label span {
    font-size: 1rem;
    font-weight: 500;
}

/* Önizleme Alanı */
.preview-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--spacing);
    width: 100%;
    padding: var(--spacing);
    background: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.preview-item {
    position: relative;
    background: var(--gray-50);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition-bounce);
}

.preview-item:hover {
    transform: translateY(-5px) scale(1.05);
    z-index: 1;
}

.preview-image {
    width: 100%;
    height: 120px;
    object-fit: cover;
}

.preview-info {
    padding: var(--spacing-sm);
    background: var(--card-background);
}

.preview-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: var(--spacing-xs);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.preview-size {
    font-size: 0.75rem;
    color: var(--text-light);
}

/* Range Input */
.range-input-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.range-input {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    background: var(--gray-200);
    border-radius: var(--border-radius-sm);
    outline: none;
}

.range-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border: 2px solid white;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-bounce);
}

.range-input::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.range-value {
    font-size: 0.875rem;
    color: var(--text-light);
    text-align: center;
}

/* Checkbox ve Radio */
.checkbox-group,
.radio-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.checkbox-group:hover,
.radio-group:hover {
    background: var(--gray-50);
}

.checkbox-group label,
.radio-group label {
    font-size: 0.925rem;
    color: var(--text-color);
    cursor: pointer;
}

/* Loading Spinner */
.loading-spinner {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--card-background);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing);
    z-index: 1100;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-text {
    font-size: 0.925rem;
    color: var(--text-color);
    font-weight: 500;
}

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

/* Animasyonlar ve Geçişler */
.fade-enter {
    opacity: 0;
    transform: translateY(20px);
}

.fade-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: var(--transition-slide);
}

.fade-exit {
    opacity: 1;
    transform: translateY(0);
}

.fade-exit-active {
    opacity: 0;
    transform: translateY(-20px);
    transition: var(--transition-slide);
}

/* Bildirim Animasyonları */
@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 25px;
    border-radius: var(--border-radius);
    background: var(--card-background);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 1100;
    animation: slideIn 0.5s ease forwards;
}

.notification.hide {
    animation: slideOut 0.5s ease forwards;
}

.notification i {
    font-size: 1.5rem;
}

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

.notification.error {
    background: var(--error-color);
    color: white;
}

/* Form Elemanları Animasyonları */
.form-control {
    /* ... existing code ... */
    transition: var(--transition-spring);
}

.form-control:focus {
    transform: scale(1.02);
}

/* Buton Animasyonları */
.submit-btn {
    /* ... existing code ... */
    transition: var(--transition-bounce);
}

.submit-btn:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 10px 20px -5px rgba(var(--primary-color-rgb), 0.3);
}

.submit-btn:active {
    transform: translateY(0) scale(0.98);
}

/* Modal Animasyonları */
.modal {
    /* ... existing code ... */
    transition: var(--transition-slide);
}

.modal-content {
    /* ... existing code ... */
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition-spring);
}

.modal.active .modal-content {
    transform: translateY(0);
    opacity: 1;
}

/* Loading Spinner Animasyonları */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.loading-spinner {
    /* ... existing code ... */
    animation: pulse 2s infinite;
}

/* Dosya Yükleme Animasyonları */
.file-upload-container {
    /* ... existing code ... */
    transition: var(--transition-spring);
}

.file-upload-container.drag-over {
    transform: scale(1.02);
    border-color: var(--primary-color);
    background: rgba(var(--primary-color-rgb), 0.1);
}

/* Preview Animasyonları */
.preview-item {
    /* ... existing code ... */
    transition: var(--transition-bounce);
}

.preview-item:hover {
    transform: translateY(-5px) scale(1.05);
    z-index: 1;
}

/* Range Input Animasyonları */
.range-input::-webkit-slider-thumb {
    /* ... existing code ... */
    transition: var(--transition-bounce);
}

.range-input::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* Tema Değiştirici Animasyonları */
.theme-toggle-btn {
    /* ... existing code ... */
    transition: var(--transition-spring);
}

.theme-toggle-btn:hover {
    transform: rotate(180deg) scale(1.1);
}

/* Yardım Butonu Animasyonları */
.help-btn {
    /* ... existing code ... */
    transition: var(--transition-spring);
}

.help-btn:hover {
    transform: scale(1.15) rotate(-10deg);
}