/* Document Formatter Pro - Main Styles */

:root {
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --secondary-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    --dark-bg: #111827;
    --light-bg: #f9fafb;
    --card-bg: #ffffff;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --border-color: #e5e7eb;
    --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 40px -15px rgba(0, 0, 0, 0.15);
    --radius: 16px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.document-formatter-pro-wrapper * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
}

.document-formatter-pro-wrapper {
    background: linear-gradient(135deg, #f0f4ff 0%, #fdf2f8 100%);
    min-height: 100vh;
    padding: 30px 20px;
    color: var(--text-dark);
}

/* --- Header --- */
.dfp-header {
    background: linear-gradient(135deg, var(--primary-color), #8b5cf6);
    color: white;
    padding: 3rem 2rem;
    text-align: center;
    border-radius: var(--radius);
    margin-bottom: 30px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.dfp-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 30px 30px;
    animation: float 20s linear infinite;
}

@keyframes float {
    0% {
        transform: translate(0, 0) rotate(0deg);
    }
    100% {
        transform: translate(-30px, -30px) rotate(360deg);
    }
}

.dfp-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 800;
    position: relative;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.dfp-header p {
    font-size: 1.1rem;
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto;
    position: relative;
}

/* --- Main Container --- */
.dfp-main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

.dfp-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

@media (max-width: 1200px) {
    .dfp-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .dfp-header h1 {
        font-size: 2.5rem;
    }
}

/* --- Cards --- */
.dfp-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 2rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.dfp-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.dfp-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* --- Input/Output Areas --- */
.dfp-textarea {
    width: 100%;
    min-height: 300px;
    padding: 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 14px;
    line-height: 1.6;
    resize: vertical;
    transition: var(--transition);
    background: var(--light-bg);
}

.dfp-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* --- Options Grid --- */
.dfp-options-panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin: 25px 0;
}

.dfp-option-item {
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    padding: 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: var(--transition);
    user-select: none;
}

.dfp-option-item:hover {
    background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
    border-color: var(--primary-color);
}

.dfp-option-item input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--primary-color);
}

/* --- Button Groups --- */
.dfp-btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin: 25px 0;
}

.dfp-btn {
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.dfp-btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.dfp-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.dfp-btn-secondary {
    background: linear-gradient(135deg, var(--secondary-color), #059669);
    color: white;
}

.dfp-btn-danger {
    background: linear-gradient(135deg, var(--danger-color), #dc2626);
    color: white;
}

.dfp-btn-utility {
    background: linear-gradient(135deg, #6b7280, #4b5563);
    color: white;
    font-size: 0.85rem;
    padding: 0.75rem 1.25rem;
}

/* --- Preview Area --- */
.dfp-preview-container {
    min-height: 400px;
    max-height: 600px;
    overflow-y: auto;
    padding: 1.5rem;
    background: white;
    border-radius: var(--radius-sm);
    border: 2px solid var(--border-color);
}

.dfp-preview-container img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.dfp-placeholder {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-light);
}

.dfp-placeholder-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.dfp-placeholder-text {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.dfp-placeholder-hint {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* --- Statistics --- */
.dfp-statistics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.dfp-stat-item {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    padding: 1rem;
    border-radius: var(--radius-sm);
    text-align: center;
    border: 1px solid var(--border-color);
}

.dfp-stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.dfp-stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

/* --- SEO Tools --- */
.dfp-seo-tools {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid var(--border-color);
}

.dfp-seo-field {
    margin-bottom: 15px;
}

.dfp-seo-field label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: var(--text-dark);
}

.dfp-seo-field input,
.dfp-seo-field textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: inherit;
}

.dfp-seo-field textarea {
    resize: vertical;
    min-height: 80px;
}

/* --- Table of Contents --- */
.dfp-toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.dfp-toc-item {
    margin-bottom: 0.5rem;
}

.dfp-toc-link {
    display: block;
    padding: 0.5rem 1rem;
    background: var(--light-bg);
    border-radius: 6px;
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.dfp-toc-link:hover {
    background: #e5e7eb;
    border-left-color: var(--primary-color);
    transform: translateX(5px);
}

/* --- Accessibility Report --- */
.dfp-report-content {
    padding: 1rem 0;
}

.dfp-score-badge {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.dfp-report-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    margin-bottom: 1rem;
    background: var(--light-bg);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--border-color);
}

.dfp-report-item.error {
    border-left-color: var(--danger-color);
    background: linear-gradient(135deg, #fef2f2, #fee2e2);
}

.dfp-report-item.warning {
    border-left-color: var(--warning-color);
    background: linear-gradient(135deg, #fffbeb, #fef3c7);
}

.dfp-report-item.success {
    border-left-color: var(--secondary-color);
    background: linear-gradient(135deg, #ecfdf5, #d1fae5);
}

.dfp-report-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: white;
    flex-shrink: 0;
}

.dfp-report-icon.error {
    background: var(--danger-color);
}

.dfp-report-icon.warning {
    background: var(--warning-color);
}

.dfp-report-icon.success {
    background: var(--secondary-color);
}

/* --- Progress Bar --- */
.dfp-progress-bar {
    width: 100%;
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
    margin: 20px 0;
}

.dfp-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    width: 0%;
    transition: width 0.3s ease;
}

/* --- Toast Notifications --- */
.dfp-toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 1rem 1.5rem;
    background: white;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary-color);
    transform: translateX(150%);
    transition: transform 0.3s ease;
    z-index: 1000;
    max-width: 400px;
}

.dfp-toast.show {
    transform: translateX(0);
}

.dfp-toast.success {
    border-left-color: var(--secondary-color);
}

.dfp-toast.error {
    border-left-color: var(--danger-color);
}

.dfp-toast.info {
    border-left-color: var(--info-color);
}

/* --- Batch Tools --- */
.dfp-batch-tools textarea {
    width: 100%;
    min-height: 150px;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    font-family: monospace;
    resize: vertical;
}

/* --- Loading Animation --- */
.dfp-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

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

/* --- Input Controls --- */
.dfp-input-controls {
    display: flex;
    gap: 10px;
    align-items: center;
}

.dfp-select {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: white;
    color: var(--text-dark);
    font-family: inherit;
    min-width: 180px;
}

/* --- Preview Controls --- */
.dfp-preview-controls {
    display: flex;
    gap: 10px;
}

/* --- Utility Group --- */
.dfp-utility-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

/* --- Responsive Design --- */
@media (max-width: 768px) {
    .dfp-main {
        padding: 10px;
    }
    
    .dfp-header {
        padding: 2rem 1rem;
    }
    
    .dfp-header h1 {
        font-size: 2rem;
    }
    
    .dfp-card {
        padding: 1.5rem;
    }
    
    .dfp-options-panel {
        grid-template-columns: 1fr;
    }
    
    .dfp-btn-group {
        flex-direction: column;
    }
    
    .dfp-btn {
        width: 100%;
        justify-content: center;
    }
    
    .dfp-input-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .dfp-select {
        width: 100%;
    }
    
    .dfp-preview-controls {
        flex-wrap: wrap;
    }
    
    .dfp-utility-group {
        justify-content: center;
    }
    
    .dfp-statistics {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* --- Table Styles --- */
.dfp-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

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

.dfp-table th {
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    font-weight: 600;
    color: var(--text-dark);
}

.dfp-table tr:nth-child(even) {
    background: var(--light-bg);
}

.dfp-table tr:hover {
    background: #f0f9ff;
}

/* --- Code Block Styles --- */
.dfp-preview-container pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: 1rem;
    border-radius: 6px;
    overflow-x: auto;
    margin: 1rem 0;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
}

.dfp-preview-container code {
    background: #f1f5f9;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    color: #475569;
}

.dfp-preview-container pre code {
    background: transparent;
    color: inherit;
    padding: 0;
}

/* --- Blockquote Styles --- */
.dfp-preview-container blockquote {
    border-left: 4px solid var(--primary-color);
    padding: 1rem 1.5rem;
    margin: 1rem 0;
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    border-radius: 0 6px 6px 0;
    font-style: italic;
}

/* --- List Styles --- */
.dfp-preview-container ul,
.dfp-preview-container ol {
    padding-left: 2rem;
    margin: 1rem 0;
}

.dfp-preview-container li {
    margin-bottom: 0.5rem;
}

/* --- Heading Styles --- */
.dfp-preview-container h1 {
    font-size: 2.5rem;
    margin: 1.5rem 0 1rem;
    color: var(--text-dark);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.dfp-preview-container h2 {
    font-size: 2rem;
    margin: 1.5rem 0 1rem;
    color: var(--text-dark);
}

.dfp-preview-container h3 {
    font-size: 1.5rem;
    margin: 1.25rem 0 0.75rem;
    color: var(--text-dark);
}

.dfp-preview-container h4 {
    font-size: 1.25rem;
    margin: 1rem 0 0.5rem;
    color: var(--text-dark);
}

.dfp-preview-container h5 {
    font-size: 1.125rem;
    margin: 0.75rem 0 0.5rem;
    color: var(--text-dark);
}

.dfp-preview-container h6 {
    font-size: 1rem;
    margin: 0.5rem 0;
    color: var(--text-dark);
    font-weight: 600;
    /* Add these styles to the end of main.css */

/* --- Modal Styles --- */
.dfp-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 20px;
}

.dfp-modal {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 2rem;
    max-width: 800px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-lg);
}

.dfp-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.dfp-modal-close:hover {
    background: var(--light-bg);
    color: var(--danger-color);
}

/* --- History Styles --- */
.dfp-history-list {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.dfp-history-list li {
    padding: 1rem;
    margin-bottom: 0.5rem;
    background: var(--light-bg);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dfp-history-content {
    flex: 1;
    color: var(--text-dark);
    font-size: 0.9rem;
}

.dfp-history-meta {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin: 0 1rem;
    font-size: 0.8rem;
    color: var(--text-light);
    text-align: right;
}

.dfp-history-load {
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: var(--transition);
}

.dfp-history-load:hover {
    background: var(--primary-hover);
}

/* --- Responsive Preview --- */
.dfp-responsive-preview {
    position: relative;
    margin: 0 auto;
    transition: var(--transition);
}

.dfp-responsive-preview::before {
    content: '📱 Responsive Preview';
    position: absolute;
    top: -30px;
    left: 0;
    right: 0;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-light);
    font-weight: 600;
}

/* --- Dark Mode Preview --- */
.dfp-preview-container.dark-mode {
    background: #1a1a1a;
    color: #ffffff;
}

.dfp-preview-container.dark-mode h1,
.dfp-preview-container.dark-mode h2,
.dfp-preview-container.dark-mode h3,
.dfp-preview-container.dark-mode h4,
.dfp-preview-container.dark-mode h5,
.dfp-preview-container.dark-mode h6 {
    color: #ffffff;
}

.dfp-preview-container.dark-mode a {
    color: #60a5fa;
}

.dfp-preview-container.dark-mode code {
    background: #2d2d2d;
    color: #e2e8f0;
}

.dfp-preview-container.dark-mode pre {
    background: #2d2d2d;
    color: #e2e8f0;
}

.dfp-preview-container.dark-mode blockquote {
    background: #2d2d2d;
    border-left-color: #60a5fa;
}

/* --- JSON Viewer Styles --- */
.json-viewer {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 14px;
    line-height: 1.5;
}

.json-key {
    color: #f472b6;
}

.json-string {
    color: #34d399;
}

.json-number {
    color: #60a5fa;
}

.json-boolean {
    color: #f59e0b;
}

.json-null {
    color: #94a3b8;
}

/* --- XML Viewer Styles --- */
.xml-viewer {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 14px;
    line-height: 1.5;
    white-space: pre-wrap;
}

.xml-tag {
    color: #3b82f6;
}

.xml-attr {
    color: #f59e0b;
}

.xml-attr-value {
    color: #10b981;
}

.xml-text {
    color: #1f2937;
}

.xml-cdata {
    color: #8b5cf6;
    font-style: italic;
}

/* --- Error Styles --- */
.error {
    color: var(--danger-color);
    background: #fef2f2;
    padding: 1rem;
    border-radius: 6px;
    border: 1px solid #fecaca;
}

/* --- Loading Overlay --- */
.dfp-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    border-radius: var(--radius-sm);
}

.dfp-loading-overlay .dfp-loading {
    width: 40px;
    height: 40px;
    border-width: 4px;
}

/* --- Print Styles --- */
@media print {
    .document-formatter-pro-wrapper {
        background: white !important;
        padding: 0 !important;
    }
    
    .dfp-header,
    .dfp-card-header,
    .dfp-btn-group,
    .dfp-utility-group,
    .dfp-options-panel,
    .dfp-progress-bar,
    .dfp-toast,
    .dfp-batch-tools {
        display: none !important;
    }
    
    .dfp-card {
        box-shadow: none !important;
        border: none !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    
    .dfp-preview-container {
        max-height: none !important;
        overflow: visible !important;
        border: none !important;
        padding: 0 !important;
    }

}