/**
 * Tool-specific stylesheet for WeLovePDF2.com
 * 
 * This file contains styles specific to tool pages and interfaces.
 */

/* ===== TOOL PAGE LAYOUT ===== */
.tool-page-header {
    background-color: var(--bg-light);
    padding: var(--spacing-lg) 0;
    margin-bottom: var(--spacing-lg);
}

.tool-page-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.tool-page-description {
    color: var(--text-light);
    max-width: 800px;
}

.tool-breadcrumbs {
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
}

.tool-breadcrumbs a {
    color: var(--text-light);
}

.tool-breadcrumbs a:hover {
    color: var(--primary-color);
}

.tool-breadcrumbs .separator {
    margin: 0 var(--spacing-xs);
    color: var(--text-lighter);
}

.tool-breadcrumbs .current {
    color: var(--primary-color);
}

.tool-container {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.tool-main {
    flex: 1;
}

.tool-sidebar {
    width: 300px;
}

/* ===== TOOL INTERFACE ===== */
.tool-interface {
    background-color: var(--bg-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.tool-header {
    background-color: var(--primary-color);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
}

.tool-header h2 {
    margin: 0;
    font-size: 1.5rem;
    color: white;
}

.tool-body {
    padding: var(--spacing-lg);
}

.tool-footer {
    background-color: var(--bg-light);
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ===== FILE UPLOAD AREA ===== */
.file-upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    margin-bottom: var(--spacing-lg);
}

.file-upload-area:hover,
.file-upload-area.dragover {
    border-color: var(--primary-color);
    background-color: rgba(74, 108, 247, 0.05);
}

.file-upload-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.file-upload-text h3 {
    margin-bottom: var(--spacing-sm);
}

.file-upload-text p {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.file-upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    font-weight: 500;
    transition: all 0.3s ease;
}

.file-upload-btn:hover {
    background-color: var(--primary-dark);
    color: white;
}

.file-upload-input {
    display: none;
}

.file-upload-alternatives {
    margin-top: var(--spacing-lg);
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
}

.upload-alternative {
    display: flex;
    align-items: center;
    color: var(--primary-color);
    font-weight: 500;
}

.upload-alternative i {
    margin-right: var(--spacing-xs);
}

/* ===== FILE LIST ===== */
.file-list {
    margin-top: var(--spacing-lg);
}

.file-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.file-list-title {
    font-size: 1.25rem;
    margin: 0;
}

.file-list-actions {
    display: flex;
    gap: var(--spacing-sm);
}

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

.file-list-table th,
.file-list-table td {
    padding: var(--spacing-sm);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.file-list-table th {
    background-color: var(--bg-light);
    font-weight: 500;
}

.file-item {
    display: flex;
    align-items: center;
}

.file-icon {
    margin-right: var(--spacing-sm);
    color: var(--text-light);
    font-size: 1.25rem;
}

.file-name {
    font-weight: 500;
}

.file-size {
    color: var(--text-light);
    font-size: 0.9rem;
}

.file-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.file-action-btn {
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    font-size: 1rem;
    padding: var(--spacing-xs);
    transition: color 0.3s ease;
}

.file-action-btn:hover {
    color: var(--primary-color);
}

.file-action-btn.delete:hover {
    color: var(--error-color);
}

/* ===== TOOL OPTIONS ===== */
.tool-options {
    margin-top: var(--spacing-lg);
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.option-group {
    flex: 1;
    min-width: 250px;
}

.option-group-title {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--border-color);
}

.option-row {
    margin-bottom: var(--spacing-md);
}

.option-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.option-input {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
}

.option-input:focus {
    border-color: var(--primary-color);
    outline: none;
}

.option-select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    background-color: var(--bg-color);
}

.option-select:focus {
    border-color: var(--primary-color);
    outline: none;
}

.option-checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.option-checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.option-checkbox {
    margin-right: var(--spacing-sm);
}

.option-radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.option-radio-label {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.option-radio {
    margin-right: var(--spacing-sm);
}

.option-range {
    width: 100%;
}

.option-range-values {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-xs);
    font-size: 0.9rem;
    color: var(--text-light);
}

/* ===== PROCESS BUTTON ===== */
.process-btn-container {
    margin-top: var(--spacing-lg);
    text-align: center;
}

.process-btn {
    background-color: var(--primary-color);
    color: white;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius-md);
    font-size: 1.1rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

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

.process-btn i {
    margin-right: var(--spacing-sm);
}

.process-btn.loading {
    background-color: var(--primary-dark);
    cursor: not-allowed;
}

.process-btn.loading i {
    animation: spin 1s linear infinite;
}

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

/* ===== RESULTS AREA ===== */
.results-area {
    margin-top: var(--spacing-xl);
    display: none;
}

.results-area.active {
    display: block;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.results-title {
    font-size: 1.25rem;
    margin: 0;
}

.results-body {
    background-color: var(--bg-light);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.results-info {
    margin-bottom: var(--spacing-md);
}

.results-info-item {
    display: flex;
    margin-bottom: var(--spacing-xs);
}

.results-info-label {
    font-weight: 500;
    width: 150px;
}

.results-info-value {
    color: var(--text-light);
}

.results-preview {
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.results-preview img {
    max-width: 100%;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-sm);
}

.results-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.download-btn {
    background-color: var(--success-color);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    transition: all 0.3s ease;
}

.download-btn:hover {
    background-color: #218838;
    color: white;
}

.download-btn i {
    margin-right: var(--spacing-sm);
}

.action-btn {
    background-color: var(--bg-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    transition: all 0.3s ease;
}

.action-btn:hover {
    background-color: var(--bg-light);
}

.action-btn i {
    margin-right: var(--spacing-sm);
}

/* ===== SIDEBAR COMPONENTS ===== */
.sidebar-widget {
    background-color: var(--bg-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.sidebar-widget-header {
    background-color: var(--primary-color);
    color: white;
    padding: var(--spacing-md);
}

.sidebar-widget-header h3 {
    margin: 0;
    font-size: 1.25rem;
    color: white;
}

.sidebar-widget-body {
    padding: var(--spacing-md);
}

/* Related Tools Widget */
.related-tools-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.related-tools-list li {
    border-bottom: 1px solid var(--border-color);
}

.related-tools-list li:last-child {
    border-bottom: none;
}

.related-tools-list a {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) 0;
    color: var(--text-color);
}

.related-tools-list a:hover {
    color: var(--primary-color);
}

.related-tools-list .tool-icon {
    width: 24px;
    height: 24px;
    margin-right: var(--spacing-sm);
}

/* Recent Tools Widget */
.recent-tools-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.recent-tools-list li {
    border-bottom: 1px solid var(--border-color);
}

.recent-tools-list li:last-child {
    border-bottom: none;
}

.recent-tools-list a {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) 0;
    color: var(--text-color);
}

.recent-tools-list a:hover {
    color: var(--primary-color);
}

.recent-tools-list .tool-icon {
    width: 24px;
    height: 24px;
    margin-right: var(--spacing-sm);
}

.recent-tools-list .tool-time {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-left: auto;
}

/* Help Widget */
.help-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.help-list li {
    margin-bottom: var(--spacing-sm);
}

.help-list li:last-child {
    margin-bottom: 0;
}

.help-list a {
    display: flex;
    align-items: center;
    color: var(--text-color);
}

.help-list a:hover {
    color: var(--primary-color);
}

.help-list i {
    margin-right: var(--spacing-sm);
    color: var(--primary-color);
}

/* ===== LOADING STATES ===== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid var(--bg-light);
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ===== PROGRESS BAR ===== */
.progress-container {
    margin: var(--spacing-md) 0;
}

.progress-bar {
    height: 10px;
    background-color: var(--bg-light);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background-color: var(--primary-color);
    width: 0;
    transition: width 0.3s ease;
}

.progress-text {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-xs);
    font-size: 0.9rem;
    color: var(--text-light);
}

/* ===== TOOL SPECIFIC STYLES ===== */

/* PDF Merge Tool */
.pdf-page-list {
    margin-top: var(--spacing-md);
}

.pdf-page-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-sm);
    background-color: var(--bg-color);
}

.pdf-page-preview {
    width: 60px;
    height: 80px;
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    margin-right: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-light);
}

.pdf-page-preview img {
    max-width: 100%;
    max-height: 100%;
}

.pdf-page-info {
    flex: 1;
}

.pdf-page-title {
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.pdf-page-details {
    font-size: 0.9rem;
    color: var(--text-light);
}

.pdf-page-actions {
    display: flex;
    gap: var(--spacing-xs);
}

/* Image Tools */
.image-preview-container {
    margin-top: var(--spacing-md);
    text-align: center;
}

.image-preview {
    max-width: 100%;
    max-height: 300px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
}

.image-dimensions {
    margin-top: var(--spacing-xs);
    font-size: 0.9rem;
    color: var(--text-light);
}

/* AI Tools */
.ai-input-container {
    margin-bottom: var(--spacing-lg);
}

.ai-textarea {
    width: 100%;
    min-height: 150px;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-size: 1rem;
    font-family: var(--font-primary);
    resize: vertical;
}

.ai-textarea:focus {
    border-color: var(--primary-color);
    outline: none;
}

.ai-result {
    background-color: var(--bg-light);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.ai-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.ai-result-title {
    font-size: 1.25rem;
    margin: 0;
}

.ai-result-content {
    line-height: 1.8;
}

/* ===== TOOL CATEGORIES PAGE ===== */
.category-header {
    background-color: var(--bg-light);
    padding: var(--spacing-xl) 0;
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.category-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.category-description {
    max-width: 800px;
    margin: 0 auto;
    color: var(--text-light);
}

.category-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.category-sections {
    margin-bottom: var(--spacing-xxl);
}

.category-section {
    margin-bottom: var(--spacing-xl);
}

.category-section-header {
    margin-bottom: var(--spacing-lg);
}

.category-section-title {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
}

.category-section-description {
    color: var(--text-light);
}