/* ================================================================
   ADD WATERMARK TO PDF - Complete Styling
   Version: 1.0
   ================================================================ */

/* ================================================================
   1. CSS VARIABLES
   ================================================================ */
:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #dbeafe;
    --primary-dark: #1e40af;
    
    --secondary: #f3f4f6;
    --secondary-hover: #e5e7eb;
    
    --success: #10b981;
    --success-hover: #059669;
    --success-light: #d1fae5;
    
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --danger-light: #fee2e2;
    
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    
    --text: #1f2937;
    --text-secondary: #4b5563;
    --text-light: #6b7280;
    --text-white: #ffffff;
    
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --bg-gray: #f1f5f9;
    --bg-dark: #0f172a;
    
    --border: #e5e7eb;
    --border-light: #f1f5f9;
    --border-dark: #d1d5db;
    
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --shadow: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    --container-max: 720px;
}

/* ================================================================
   2. TOOL WRAPPER
   ================================================================ */
.tool-wrapper[data-tool="add-watermark-to-pdf"] {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 20px 40px;
}


/* ================================================================
   4. ERROR MESSAGE
   ================================================================ */
.tool-wrapper[data-tool="add-watermark-to-pdf"] .error-message {
    max-width: var(--container-max);
    margin: 0 auto 16px;
    padding: 14px 18px;
    background: var(--danger-light);
    color: #991b1b;
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--danger);
    font-size: 14px;
    display: none;
    align-items: center;
    gap: 10px;
    animation: slideDown 0.3s ease;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .error-message:not(:empty) {
    display: flex;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .error-message i {
    font-size: 18px;
    flex-shrink: 0;
}

/* ================================================================
   5. EDITOR LAYOUT (Main Flex Container)
   ================================================================ */
.tool-wrapper[data-tool="add-watermark-to-pdf"] .editor-layout {
    display: flex;
    gap: 30px;
    align-items: flex-start;
    margin-top: 0;
}

/* ================================================================
   6. PREVIEW BOX (Left Column)
   ================================================================ */
.tool-wrapper[data-tool="add-watermark-to-pdf"] .preview-box {
    flex: 1;
    min-width: 0;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    max-height: 800px;
    display: flex;
    flex-direction: column;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .preview-box .preview-toolbar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 10px 16px;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    margin-bottom: 14px;
    flex-wrap: wrap;
    flex-shrink: 0;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .preview-box .preview-toolbar button {
    padding: 6px 16px;
    border: 1px solid var(--border-dark);
    border-radius: 6px;
    background: var(--bg-white);
    cursor: pointer;
    font-size: 18px;
    font-weight: 600;
    transition: var(--transition);
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    min-height: 36px;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .preview-box .preview-toolbar button:hover {
    background: var(--secondary-hover);
    border-color: var(--primary);
    color: var(--primary);
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .preview-box .preview-toolbar button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .preview-box .preview-toolbar input[type="number"] {
    width: 60px;
    padding: 6px 10px;
    border: 1px solid var(--border-dark);
    border-radius: 6px;
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    background: var(--bg-white);
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .preview-box .preview-toolbar input[type="number"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .preview-box .preview-toolbar span {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .preview-box .preview-canvas-wrap {
    flex: 1;
    overflow: auto;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    position: relative;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .preview-box .preview-canvas-wrap canvas {
    max-width: 100%;
    height: auto;
    max-height: 600px;
    display: block;
    border-radius: 4px;
    box-shadow: var(--shadow-sm);
    background: var(--bg-white);
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .preview-box{
    display:none;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .tool-settings:not(.hidden) + .preview-box,
.tool-wrapper[data-tool="add-watermark-to-pdf"] .preview-box.active{
    display:flex;
}

/* ================================================================
   7. TOOL SETTINGS (Right Column)
   ================================================================ */
.tool-wrapper[data-tool="add-watermark-to-pdf"] .tool-settings {
    flex: 0 0 380px;
    min-width: 320px;
    max-width: 420px;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 28px;
    box-shadow: var(--shadow);
    max-height: 800px;
    position: sticky;
    top: 20px;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .tool-settings.hidden {
    display: none;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .tool-settings:not(.hidden) {
    display: block;
    animation: fadeIn 0.4s ease;
}

/* Scrollbar for settings */
.tool-wrapper[data-tool="add-watermark-to-pdf"] .tool-settings::-webkit-scrollbar {
    width: 4px;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .tool-settings::-webkit-scrollbar-track {
    background: var(--bg-light);
    border-radius: 4px;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .tool-settings::-webkit-scrollbar-thumb {
    background: var(--border-dark);
    border-radius: 4px;
}

/* ================================================================
   8. FILE BOX
   ================================================================ */
.tool-wrapper[data-tool="add-watermark-to-pdf"] .file-box {
    padding: 14px 16px;
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .file-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .file-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    flex: 1;
    word-break: break-word;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .file-pages,
.tool-wrapper[data-tool="add-watermark-to-pdf"] .file-size {
    font-size: 12px;
    color: var(--text-light);
    white-space: nowrap;
}

/* ================================================================
   9. OPTIONS GRID
   ================================================================ */
.tool-wrapper[data-tool="add-watermark-to-pdf"] .options-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .option-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .option-label {
    font-weight: 600;
    font-size: 13px;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 6px;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .option-label i {
    color: var(--primary);
    font-size: 14px;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .form-control {
    width: 100%;
    padding: 8px 12px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    background: var(--bg-white);
    transition: var(--transition);
    color: var(--text);
    font-family: inherit;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .form-control:hover {
    border-color: var(--border-dark);
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .form-control[type="range"] {
    padding: 0;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--border);
    border-radius: 3px;
    border: none;
    outline: none;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .form-control[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .form-control[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.4);
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .form-control[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    border: none;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .form-control[type="text"] {
    font-size: 14px;
}

/* ================================================================
   10. POSITION GRID
   ================================================================ */
.tool-wrapper[data-tool="add-watermark-to-pdf"] .position-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    margin-top: 4px;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .position-option {
    padding: 8px 4px;
    text-align: center;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    background: var(--bg-white);
    user-select: none;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .position-option:hover {
    border-color: var(--border-dark);
    background: var(--bg-gray);
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .position-option.active {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}

/* ================================================================
   11. TEXT & IMAGE OPTIONS
   ================================================================ */
.tool-wrapper[data-tool="add-watermark-to-pdf"] [data-role="text-options"],
.tool-wrapper[data-tool="add-watermark-to-pdf"] [data-role="image-options"] {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] [data-role="image-options"] {
    display: none;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] [data-role="image-options"]:not([style*="display:none"]) {
    display: flex;
}

/* ================================================================
   12. IMAGE UPLOAD
   ================================================================ */
.tool-wrapper[data-tool="add-watermark-to-pdf"] .image-upload-container {
    position: relative;
    border: 2px dashed var(--border-dark);
    border-radius: var(--radius-sm);
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: var(--bg-light);
    min-height: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--text-light);
    font-size: 14px;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .image-upload-container:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .image-upload-container input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .image-upload-container img {
    max-width: 100%;
    max-height: 120px;
    border-radius: 4px;
    display: none;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .image-upload-container img[src]:not([src=""]) {
    display: block;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .image-upload-container .upload-hint-text {
    font-size: 12px;
    color: var(--text-light);
}

/* ================================================================
   13. CUSTOM RANGE
   ================================================================ */
.tool-wrapper[data-tool="add-watermark-to-pdf"] [data-role="custom-range"] {
    display: none;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] [data-role="custom-range"]:not([style*="display:none"]) {
    display: flex;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .text-muted {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 2px;
}

/* ================================================================
   14. ACTION BUTTONS
   ================================================================ */
.tool-wrapper[data-tool="add-watermark-to-pdf"] .action-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border-light);
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .action-buttons .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    flex: 1;
    min-width: 120px;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .action-buttons .btn:active {
    transform: scale(0.97);
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .action-buttons .btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: var(--text-white);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
    flex: 2;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .action-buttons .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.4);
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .action-buttons .btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .action-buttons .btn-secondary {
    background: var(--secondary);
    color: var(--text);
    border: 1px solid var(--border);
}

.tool-wrapper[data-tool="add-watermark-to-pdf"] .action-buttons .btn-secondary:hover {
    background: var(--secondary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ================================================================
   15. ANIMATIONS
   ================================================================ */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-15px); }
    to { opacity: 1; transform: translateY(0); }
}

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

/* ================================================================
   16. RESPONSIVE
   ================================================================ */
@media (max-width: 1100px) {
    .tool-wrapper[data-tool="add-watermark-to-pdf"] .tool-settings {
        flex: 0 0 340px;
        min-width: 280px;
        max-width: 380px;
    }
}

@media (max-width: 992px) {
    .tool-wrapper[data-tool="add-watermark-to-pdf"] .editor-layout {
        flex-direction: column;
    }

    .tool-wrapper[data-tool="add-watermark-to-pdf"] .preview-box {
        max-height: none;
        order: -1;
    }

    .tool-wrapper[data-tool="add-watermark-to-pdf"] .tool-settings {
        flex: 1 1 100%;
        min-width: unset;
        max-width: 100%;
        position: static;
        max-height: none;
    }

    .tool-wrapper[data-tool="add-watermark-to-pdf"] .preview-box .preview-canvas-wrap {
        min-height: 250px;
    }

    .tool-wrapper[data-tool="add-watermark-to-pdf"] .preview-box .preview-canvas-wrap canvas {
        max-height: 400px;
    }

    .tool-wrapper[data-tool="add-watermark-to-pdf"] .action-buttons .btn {
        flex: 1 1 100%;
        min-width: unset;
    }
}

@media (max-width: 768px) {
    .tool-wrapper[data-tool="add-watermark-to-pdf"] {
        padding: 0 12px 30px;
    }

    .tool-wrapper[data-tool="add-watermark-to-pdf"] .upload-area {
        padding: 32px 16px;
    }

    .tool-wrapper[data-tool="add-watermark-to-pdf"] .upload-text {
        font-size: 18px;
    }

    .tool-wrapper[data-tool="add-watermark-to-pdf"] .upload-hint {
        font-size: 13px;
    }

    .tool-wrapper[data-tool="add-watermark-to-pdf"] .upload-icon {
        font-size: 42px;
    }

    .tool-wrapper[data-tool="add-watermark-to-pdf"] .upload-btn {
        padding: 10px 24px;
        font-size: 14px;
    }

    .tool-wrapper[data-tool="add-watermark-to-pdf"] .tool-settings {
        padding: 20px;
    }

    .tool-wrapper[data-tool="add-watermark-to-pdf"] .preview-box {
        padding: 14px;
    }

    .tool-wrapper[data-tool="add-watermark-to-pdf"] .preview-box .preview-toolbar {
        gap: 8px;
        padding: 8px 12px;
    }

    .tool-wrapper[data-tool="add-watermark-to-pdf"] .preview-box .preview-toolbar button {
        padding: 4px 12px;
        font-size: 16px;
        min-width: 34px;
        min-height: 30px;
    }

    .tool-wrapper[data-tool="add-watermark-to-pdf"] .preview-box .preview-toolbar input[type="number"] {
        width: 50px;
        padding: 4px 8px;
        font-size: 13px;
    }

    .tool-wrapper[data-tool="add-watermark-to-pdf"] .position-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .tool-wrapper[data-tool="add-watermark-to-pdf"] .action-buttons {
        flex-direction: column;
    }

    .tool-wrapper[data-tool="add-watermark-to-pdf"] .action-buttons .btn {
        width: 100%;
        justify-content: center;
        padding: 12px 20px;
    }

    .tool-wrapper[data-tool="add-watermark-to-pdf"] .file-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
}

@media (max-width: 480px) {
    .tool-wrapper[data-tool="add-watermark-to-pdf"] .upload-text {
        font-size: 16px;
    }

    .tool-wrapper[data-tool="add-watermark-to-pdf"] .upload-icon {
        font-size: 36px;
    }

    .tool-wrapper[data-tool="add-watermark-to-pdf"] .upload-btn {
        padding: 8px 18px;
        font-size: 13px;
    }

    .tool-wrapper[data-tool="add-watermark-to-pdf"] .tool-settings {
        padding: 16px;
    }

    .tool-wrapper[data-tool="add-watermark-to-pdf"] .form-control {
        padding: 6px 10px;
        font-size: 13px;
    }

    .tool-wrapper[data-tool="add-watermark-to-pdf"] .position-option {
        font-size: 10px;
        padding: 6px 2px;
    }

    .tool-wrapper[data-tool="add-watermark-to-pdf"] .preview-box {
        padding: 10px;
    }

    .tool-wrapper[data-tool="add-watermark-to-pdf"] .preview-box .preview-canvas-wrap {
        min-height: 180px;
    }

    .tool-wrapper[data-tool="add-watermark-to-pdf"] .preview-box .preview-canvas-wrap canvas {
        max-height: 300px;
    }

    .tool-wrapper[data-tool="add-watermark-to-pdf"] .image-upload-container {
        padding: 14px;
        min-height: 80px;
    }
}


/* ================================================================
   18. RTL SUPPORT
   ================================================================ */
[dir="rtl"] .tool-wrapper[data-tool="add-watermark-to-pdf"] .upload-area:hover .upload-icon {
    transform: scale(1.1) rotate(5deg);
}

[dir="rtl"] .tool-wrapper[data-tool="add-watermark-to-pdf"] .preview-box .preview-toolbar {
    direction: ltr;
}

[dir="rtl"] .tool-wrapper[data-tool="add-watermark-to-pdf"] .action-buttons .btn i,
[dir="rtl"] .tool-wrapper[data-tool="add-watermark-to-pdf"] .upload-btn i {
    margin-left: 4px;
    margin-right: 0;
}

[dir="rtl"] .tool-wrapper[data-tool="add-watermark-to-pdf"] .file-row {
    flex-direction: row-reverse;
}

[dir="rtl"] .tool-wrapper[data-tool="add-watermark-to-pdf"] .error-message {
    border-left: none;
    border-right: 4px solid var(--danger);
}

@media (max-width: 768px) {
    [dir="rtl"] .tool-wrapper[data-tool="add-watermark-to-pdf"] .file-row {
        flex-direction: column;
        align-items: flex-start;
    }
}