/* =====================================================
   Merge PDF & Images Tool
   ===================================================== */

[data-tool="merge-pdf-and-images"] {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* =====================================================
   Tool Cards - متناسق مع بقية الموقع
   ===================================================== */

[data-tool="merge-pdf-and-images"] .tool-card,
[data-tool="merge-pdf-and-images"] .file-list,
[data-tool="merge-pdf-and-images"] .options-section,
[data-tool="merge-pdf-and-images"] .loading {
    background: var(--card-bg, #ffffff);
    border: 1px solid var(--border, #e5e7eb);
    border-radius: var(--radius, 12px);
    box-shadow: var(--shadow, 0 1px 3px rgba(0,0,0,0.06));
    transition: box-shadow 0.2s ease;
}

.tool-card {
    padding: 24px;
    margin-bottom: 20px;
}

.tool-card h3 {
    margin: 0 0 16px;
    font-size: 18px;
    font-weight: 700;
    color: var(--text, #1a1a2e);
    letter-spacing: -0.01em;
}

/* =====================================================
   Loading
   ===================================================== */

[data-tool="merge-pdf-and-images"] .loading {
    text-align: center;
    padding: 40px 32px;
    margin-bottom: 20px;
}

[data-tool="merge-pdf-and-images"] .loading i {
    font-size: 36px;
    color: var(--primary, #4f46e5);
    margin-bottom: 12px;
    display: block;
    animation: pulse-spin 1.2s ease-in-out infinite;
}

[data-tool="merge-pdf-and-images"] .loading p {
    font-size: 15px;
    color: var(--text-light, #6b7280);
    margin: 0;
}

@keyframes pulse-spin {
    0% { transform: scale(1) rotate(0deg); opacity: 0.6; }
    50% { transform: scale(1.1) rotate(180deg); opacity: 1; }
    100% { transform: scale(1) rotate(360deg); opacity: 0.6; }
}

/* =====================================================
   File List - أنيق ومتناسق
   ===================================================== */

[data-tool="merge-pdf-and-images"] .file-list {
    overflow: hidden;
    margin-bottom: 24px;
}

[data-tool="merge-pdf-and-images"] .file-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    background: var(--bg-alt, #f8fafc);
    border-bottom: 1px solid var(--border, #e5e7eb);
    font-weight: 600;
    font-size: 14px;
    color: var(--text-secondary, #374151);
}

[data-tool="merge-pdf-and-images"] .file-list-header .file-count {
    font-weight: 400;
    font-size: 13px;
    color: var(--text-light, #6b7280);
    background: var(--bg-white, #ffffff);
    padding: 2px 12px;
    border-radius: 20px;
    border: 1px solid var(--border, #e5e7eb);
}

[data-tool="merge-pdf-and-images"] .file-list-items {
    max-height: 450px;
    overflow-y: auto;
}

[data-tool="merge-pdf-and-images"] .file-list-items::-webkit-scrollbar {
    width: 6px;
}

[data-tool="merge-pdf-and-images"] .file-list-items::-webkit-scrollbar-track {
    background: var(--bg-alt, #f8fafc);
}

[data-tool="merge-pdf-and-images"] .file-list-items::-webkit-scrollbar-thumb {
    background: var(--border, #e5e7eb);
    border-radius: 3px;
}

[data-tool="merge-pdf-and-images"] .file-list-items::-webkit-scrollbar-thumb:hover {
    background: var(--text-light, #6b7280);
}

/* =====================================================
   File Item - Drag & Drop ready
   ===================================================== */

[data-tool="merge-pdf-and-images"] .file-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border, #e5e7eb);
    transition: background 0.15s ease, transform 0.15s ease;
    cursor: grab;
    user-select: none;
}

[data-tool="merge-pdf-and-images"] .file-item:last-child {
    border-bottom: none;
}

[data-tool="merge-pdf-and-images"] .file-item:hover {
    background: var(--bg-alt, #f8fafc);
}

[data-tool="merge-pdf-and-images"] .file-item.dragging {
    opacity: 0.4;
    background: var(--bg-alt, #f8fafc);
}

[data-tool="merge-pdf-and-images"] .file-item.drag-over {
    border: 2px dashed var(--primary, #4f46e5);
    background: var(--primary-light, #eef2ff);
}

[data-tool="merge-pdf-and-images"] .file-item .drag-handle {
    color: var(--text-light, #9ca3af);
    font-size: 16px;
    cursor: grab;
    transition: color 0.2s ease;
    padding: 4px;
}

[data-tool="merge-pdf-and-images"] .file-item .drag-handle:hover {
    color: var(--text, #1a1a2e);
}

[data-tool="merge-pdf-and-images"] .file-icon i {
    font-size: 24px;
    color: var(--primary, #4f46e5);
    width: 32px;
    text-align: center;
}

[data-tool="merge-pdf-and-images"] .file-icon .fa-file-pdf {
    color: #ef4444;
}

[data-tool="merge-pdf-and-images"] .file-icon .fa-file-image {
    color: #8b5cf6;
}

[data-tool="merge-pdf-and-images"] .file-item-info {
    flex: 1;
    min-width: 0;
}

[data-tool="merge-pdf-and-images"] .file-item-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text, #1a1a2e);
    word-break: break-word;
}

[data-tool="merge-pdf-and-images"] .file-item-size {
    font-size: 12px;
    color: var(--text-light, #6b7280);
    margin-top: 2px;
}

[data-tool="merge-pdf-and-images"] .file-item-order {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-light, #9ca3af);
    background: var(--bg-alt, #f1f5f9);
    padding: 2px 10px;
    border-radius: 12px;
    min-width: 28px;
    text-align: center;
}

/* =====================================================
   File Actions - أزرار صغيرة أنيقة
   ===================================================== */

[data-tool="merge-pdf-and-images"] .file-item-actions {
    display: flex;
    gap: 6px;
}

[data-tool="merge-pdf-and-images"] .file-item-btn {
    width: 34px;
    height: 34px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--text-light, #6b7280);
    cursor: pointer;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

[data-tool="merge-pdf-and-images"] .file-item-btn:hover {
    background: var(--bg-alt, #f1f5f9);
    color: var(--text, #1a1a2e);
}

[data-tool="merge-pdf-and-images"] .file-item-btn.btn-remove:hover {
    background: #fef2f2;
    color: #dc2626;
}

[data-tool="merge-pdf-and-images"] .file-item-btn.btn-move-up:hover,
[data-tool="merge-pdf-and-images"] .file-item-btn.btn-move-down:hover {
    background: var(--primary-light, #eef2ff);
    color: var(--primary, #4f46e5);
}



/* =====================================================
   Options Section - مرن وجميل
   ===================================================== */

[data-tool="merge-pdf-and-images"] .options-section {
    padding: 24px 28px;
    margin-bottom: 24px;
}

[data-tool="merge-pdf-and-images"] .options-title {
    margin: 0 0 20px;
    font-size: 17px;
    font-weight: 700;
    color: var(--text, #1a1a2e);
    display: flex;
    align-items: center;
    gap: 10px;
}

[data-tool="merge-pdf-and-images"] .options-title i {
    color: var(--primary, #4f46e5);
    font-size: 20px;
}

[data-tool="merge-pdf-and-images"] .options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

[data-tool="merge-pdf-and-images"] .option-group {
    display: flex;
    flex-direction: column;
}

[data-tool="merge-pdf-and-images"] .option-group:last-child {
    margin-bottom: 0;
}

[data-tool="merge-pdf-and-images"] .option-label {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary, #374151);
}

[data-tool="merge-pdf-and-images"] .radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

[data-tool="merge-pdf-and-images"] .radio-option {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary, #374151);
    transition: color 0.15s ease;
}

[data-tool="merge-pdf-and-images"] .radio-option:hover {
    color: var(--text, #1a1a2e);
}

[data-tool="merge-pdf-and-images"] .radio-option input[type="radio"] {
    accent-color: var(--primary, #4f46e5);
    width: 16px;
    height: 16px;
    cursor: pointer;
}

[data-tool="merge-pdf-and-images"] .checkbox-option {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary, #374151);
}

[data-tool="merge-pdf-and-images"] .checkbox-option input[type="checkbox"] {
    accent-color: var(--primary, #4f46e5);
    width: 16px;
    height: 16px;
    cursor: pointer;
}

/* =====================================================
   Action Buttons - نظام أزرار متناسق مع الموقع
   ===================================================== */

[data-tool="merge-pdf-and-images"] .action-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 16px;
}

[data-tool="merge-pdf-and-images"] .btn {
    min-width: 140px;
    height: 44px;
    padding: 0 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 999px;
    border: 1px solid var(--border, #e5e7eb);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    text-decoration: none;
    background: var(--bg-white, #ffffff);
    color: var(--text, #1a1a2e);
}

[data-tool="merge-pdf-and-images"] .btn i {
    font-size: 14px;
}

[data-tool="merge-pdf-and-images"] .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

/* =====================================================
   زر دمج الملفات - الرئيسي
   ===================================================== */
[data-tool="merge-pdf-and-images"] .btn-primary {
    background: var(--primary, #4f46e5);
    color: #fff;
    border-color: var(--primary, #4f46e5);
    box-shadow: 0 4px 16px rgba(79, 70, 229, 0.25);
}

[data-tool="merge-pdf-and-images"] .btn-primary:hover {
    background: var(--primary-dark, #4338ca);
    border-color: var(--primary-dark, #4338ca);
    box-shadow: 0 8px 28px rgba(79, 70, 229, 0.35);
}

/* =====================================================
   زر التحميل - نجاح
   ===================================================== */
[data-tool="merge-pdf-and-images"] [data-role="download-btn"] {
    background: var(--success, #059669);
    color: #fff;
    border-color: var(--success, #059669);
    box-shadow: 0 4px 16px rgba(5, 150, 105, 0.25);
}

[data-tool="merge-pdf-and-images"] [data-role="download-btn"]:hover {
    background: var(--success-dark, #047857);
    border-color: var(--success-dark, #047857);
    box-shadow: 0 8px 28px rgba(5, 150, 105, 0.35);
}

/* =====================================================
   زر إضافة ملفات
   ===================================================== */
[data-tool="merge-pdf-and-images"] [data-role="add-btn"] {
    background: var(--secondary, #7c3aed);
    color: #fff;
    border-color: var(--secondary, #7c3aed);
    box-shadow: 0 4px 16px rgba(124, 58, 237, 0.25);
}

[data-tool="merge-pdf-and-images"] [data-role="add-btn"]:hover {
    background: var(--secondary-dark, #6d28d9);
    border-color: var(--secondary-dark, #6d28d9);
    box-shadow: 0 8px 28px rgba(124, 58, 237, 0.35);
}

/* =====================================================
   زر مسح الكل
   ===================================================== */
[data-tool="merge-pdf-and-images"] [data-role="clear-btn"] {
    background: var(--danger, #dc2626);
    color: #fff;
    border-color: var(--danger, #dc2626);
    box-shadow: 0 4px 16px rgba(220, 38, 38, 0.2);
}

[data-tool="merge-pdf-and-images"] [data-role="clear-btn"]:hover {
    background: var(--danger-dark, #b91c1c);
    border-color: var(--danger-dark, #b91c1c);
    box-shadow: 0 8px 28px rgba(220, 38, 38, 0.3);
}

/* =====================================================
   زر إعادة التعيين - ثانوي
   ===================================================== */
[data-tool="merge-pdf-and-images"] .btn-outline {
    background: var(--bg-alt, #f1f5f9);
    color: var(--text-secondary, #475569);
    border-color: var(--border, #e2e8f0);
}

[data-tool="merge-pdf-and-images"] .btn-outline:hover {
    background: var(--border, #e2e8f0);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

/* =====================================================
   زر فرز
   ===================================================== */
[data-tool="merge-pdf-and-images"] [data-role="sort-btn"] {
    background: var(--info, #0ea5e9);
    color: #fff;
    border-color: var(--info, #0ea5e9);
    box-shadow: 0 4px 16px rgba(14, 165, 233, 0.2);
}

[data-tool="merge-pdf-and-images"] [data-role="sort-btn"]:hover {
    background: var(--info-dark, #0284c7);
    border-color: var(--info-dark, #0284c7);
    box-shadow: 0 8px 28px rgba(14, 165, 233, 0.3);
}

/* =====================================================
   زر معاينة
   ===================================================== */
[data-tool="merge-pdf-and-images"] [data-role="preview-btn"] {
    background: var(--warning, #f59e0b);
    color: #fff;
    border-color: var(--warning, #f59e0b);
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.2);
}

[data-tool="merge-pdf-and-images"] [data-role="preview-btn"]:hover {
    background: var(--warning-dark, #d97706);
    border-color: var(--warning-dark, #d97706);
    box-shadow: 0 8px 28px rgba(245, 158, 11, 0.3);
}

/* =====================================================
   جميع الأزرار - معطل
   ===================================================== */
[data-tool="merge-pdf-and-images"] .btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* =====================================================
   Progress Bar - متناسق
   ===================================================== */

[data-tool="merge-pdf-and-images"] .progress-container {
    margin-top: 16px;
    padding: 16px 20px;
    background: var(--bg-alt, #f8fafc);
    border-radius: var(--radius, 12px);
    border: 1px solid var(--border, #e5e7eb);
    display: none;
}

[data-tool="merge-pdf-and-images"] .progress-container.active {
    display: block;
}

[data-tool="merge-pdf-and-images"] .progress-bar {
    width: 100%;
    height: 6px;
    background: var(--border, #e5e7eb);
    border-radius: 3px;
    overflow: hidden;
}

[data-tool="merge-pdf-and-images"] .progress-bar .progress-fill {
    height: 100%;
    background: var(--primary, #4f46e5);
    border-radius: 3px;
    transition: width 0.3s ease;
    width: 0%;
}

[data-tool="merge-pdf-and-images"] .progress-text {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-light, #6b7280);
    margin-top: 8px;
}

/* =====================================================
   Success / Error Messages
   ===================================================== */

[data-tool="merge-pdf-and-images"] .success-message,
[data-tool="merge-pdf-and-images"] .error-message {
    padding: 14px 20px;
    border-radius: var(--radius, 12px);
    margin-bottom: 16px;
    font-size: 14px;
    font-weight: 500;
    display: none;
    align-items: center;
    gap: 10px;
}

[data-tool="merge-pdf-and-images"] .success-message {
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

[data-tool="merge-pdf-and-images"] .success-message i {
    color: #059669;
    font-size: 18px;
}

[data-tool="merge-pdf-and-images"] .error-message {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

[data-tool="merge-pdf-and-images"] .error-message i {
    color: #dc2626;
    font-size: 18px;
}

/* =====================================================
   Dark Mode - متناسق مع الموقع
   ===================================================== */

@media (prefers-color-scheme: dark) {
    [data-tool="merge-pdf-and-images"] .file-list-header {
        background: var(--bg-alt-dark, #1e293b);
        border-color: var(--border-dark, #334155);
        color: var(--text-dark, #e2e8f0);
    }

    [data-tool="merge-pdf-and-images"] .file-list-header .file-count {
        background: var(--bg-dark, #0f172a);
        border-color: var(--border-dark, #334155);
        color: var(--text-light-dark, #94a3b8);
    }

    [data-tool="merge-pdf-and-images"] .file-item {
        border-color: var(--border-dark, #334155);
    }

    [data-tool="merge-pdf-and-images"] .file-item:hover {
        background: var(--bg-alt-dark, #1e293b);
    }

    [data-tool="merge-pdf-and-images"] .file-item-name {
        color: var(--text-dark, #f1f5f9);
    }

    [data-tool="merge-pdf-and-images"] .btn-outline {
        background: var(--bg-alt-dark, #1e293b);
        color: var(--text-dark, #e2e8f0);
        border-color: var(--border-dark, #334155);
    }

    [data-tool="merge-pdf-and-images"] .btn-outline:hover {
        background: var(--border-dark, #334155);
    }

    [data-tool="merge-pdf-and-images"] .upload-area {
        background: var(--bg-alt-dark, #1e293b);
        border-color: var(--border-dark, #334155);
    }

    [data-tool="merge-pdf-and-images"] .upload-area:hover {
        border-color: var(--primary, #818cf8);
        background: rgba(79, 70, 229, 0.08);
    }

    [data-tool="merge-pdf-and-images"] .upload-area .upload-title {
        color: var(--text-dark, #f1f5f9);
    }

    [data-tool="merge-pdf-and-images"] .upload-area .upload-hint {
        color: var(--text-light-dark, #94a3b8);
    }

    [data-tool="merge-pdf-and-images"] .options-title {
        color: var(--text-dark, #f1f5f9);
    }

    [data-tool="merge-pdf-and-images"] .option-label {
        color: var(--text-dark, #e2e8f0);
    }

    [data-tool="merge-pdf-and-images"] .radio-option,
    [data-tool="merge-pdf-and-images"] .checkbox-option {
        color: var(--text-dark, #e2e8f0);
    }

    [data-tool="merge-pdf-and-images"] .progress-container {
        background: var(--bg-alt-dark, #1e293b);
        border-color: var(--border-dark, #334155);
    }

    [data-tool="merge-pdf-and-images"] .success-message {
        background: rgba(5, 150, 105, 0.15);
        color: #6ee7b7;
        border-color: rgba(5, 150, 105, 0.3);
    }

    [data-tool="merge-pdf-and-images"] .error-message {
        background: rgba(220, 38, 38, 0.15);
        color: #fca5a5;
        border-color: rgba(220, 38, 38, 0.3);
    }

    [data-tool="merge-pdf-and-images"] .file-item-btn:hover {
        background: var(--bg-alt-dark, #1e293b);
        color: var(--text-dark, #f1f5f9);
    }

    [data-tool="merge-pdf-and-images"] .file-item-btn.btn-remove:hover {
        background: rgba(220, 38, 38, 0.15);
        color: #ef4444;
    }

    [data-tool="merge-pdf-and-images"] .file-item-btn.btn-move-up:hover,
    [data-tool="merge-pdf-and-images"] .file-item-btn.btn-move-down:hover {
        background: rgba(79, 70, 229, 0.15);
        color: #818cf8;
    }

    [data-tool="merge-pdf-and-images"] .file-item-order {
        background: var(--bg-alt-dark, #1e293b);
        color: var(--text-light-dark, #94a3b8);
    }

    [data-tool="merge-pdf-and-images"] .file-list-items::-webkit-scrollbar-track {
        background: var(--bg-alt-dark, #1e293b);
    }

    [data-tool="merge-pdf-and-images"] .file-list-items::-webkit-scrollbar-thumb {
        background: var(--border-dark, #334155);
    }
}

/* =====================================================
   Responsive Design
   ===================================================== */

@media (max-width: 768px) {
    [data-tool="merge-pdf-and-images"] {
        padding: 16px;
    }

    [data-tool="merge-pdf-and-images"] .file-item {
        flex-wrap: wrap;
        gap: 10px;
        padding: 12px 16px;
    }

    [data-tool="merge-pdf-and-images"] .file-item-actions {
        width: 100%;
        justify-content: flex-end;
        gap: 4px;
    }

    [data-tool="merge-pdf-and-images"] .file-item .drag-handle {
        display: none;
    }

    [data-tool="merge-pdf-and-images"] .btn {
        width: 100%;
        max-width: 320px;
        min-width: 120px;
        height: 40px;
        padding: 0 18px;
        font-size: 13px;
    }

    [data-tool="merge-pdf-and-images"] .action-buttons {
        flex-direction: column;
        gap: 10px;
    }

    [data-tool="merge-pdf-and-images"] .options-section {
        padding: 16px 18px;
    }

    [data-tool="merge-pdf-and-images"] .options-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    [data-tool="merge-pdf-and-images"] .upload-area {
        padding: 32px 20px;
    }

    [data-tool="merge-pdf-and-images"] .upload-area .upload-icon {
        font-size: 36px;
    }

    [data-tool="merge-pdf-and-images"] .file-list-header {
        flex-wrap: wrap;
        gap: 8px;
        padding: 12px 16px;
        font-size: 13px;
    }

    [data-tool="merge-pdf-and-images"] .tool-card {
        padding: 16px;
    }

    [data-tool="merge-pdf-and-images"] .file-item-name {
        font-size: 13px;
    }

    [data-tool="merge-pdf-and-images"] .radio-group {
        gap: 10px;
    }

    [data-tool="merge-pdf-and-images"] .radio-option {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    [data-tool="merge-pdf-and-images"] {
        padding: 12px;
    }

    [data-tool="merge-pdf-and-images"] .file-item {
        padding: 10px 12px;
        gap: 8px;
    }

    [data-tool="merge-pdf-and-images"] .file-item-info {
        flex: 1 1 100%;
        order: 2;
    }

    [data-tool="merge-pdf-and-images"] .file-icon {
        order: 1;
    }

    [data-tool="merge-pdf-and-images"] .file-item-order {
        order: 3;
    }

    [data-tool="merge-pdf-and-images"] .file-item-actions {
        order: 4;
        width: 100%;
        justify-content: flex-start;
        padding-top: 6px;
        border-top: 1px solid var(--border, #e5e7eb);
    }

    [data-tool="merge-pdf-and-images"] .btn {
        max-width: 100%;
        height: 38px;
        font-size: 12px;
        padding: 0 14px;
    }

    [data-tool="merge-pdf-and-images"] .upload-area .upload-title {
        font-size: 16px;
    }

    [data-tool="merge-pdf-and-images"] .upload-area .upload-hint {
        font-size: 13px;
    }

    [data-tool="merge-pdf-and-images"] .upload-area {
        padding: 24px 16px;
    }

    [data-tool="merge-pdf-and-images"] .options-section {
        padding: 12px 14px;
    }

    [data-tool="merge-pdf-and-images"] .tool-card {
        padding: 12px;
    }

    [data-tool="merge-pdf-and-images"] .file-list-header {
        font-size: 12px;
        padding: 10px 12px;
    }

    [data-tool="merge-pdf-and-images"] .file-item-name {
        font-size: 12px;
    }

    [data-tool="merge-pdf-and-images"] .file-item-size {
        font-size: 11px;
    }

    [data-tool="merge-pdf-and-images"] .success-message,
    [data-tool="merge-pdf-and-images"] .error-message {
        font-size: 13px;
        padding: 10px 14px;
    }
}