/* ============================================
   JSON Viewer - Modern Stylesheet
   Matching ConvertICO design system (MD Viewer style)
   ============================================ */

/* CSS Variables */
:root {
    --primary: #F59E0B;
    --primary-light: #FEF3C7;
    --primary-dark: #D97706;
    --accent: #FF6B6B;
    --success: #10B981;
    --success-light: #D1FAE5;
    --warning: #F59E0B;
    --danger: #EF4444;
    --purple: #8B5CF6;
    --purple-light: #EDE9FE;
    
    --bg: #f8fafc;
    --bg-elevated: #ffffff;
    --text: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1);
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* JSON syntax colors */
    --json-key: #8B5CF6;
    --json-string: #10B981;
    --json-number: #3B82F6;
    --json-boolean: #F97316;
    --json-null: #6B7280;
    --json-bracket: #374151;
}

/* Base */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, var(--bg) 0%, #f1f5f9 100%);
    color: var(--text);
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

/* Container */
.tool-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
}

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

.tool-title-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.tool-icon-inline {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    color: var(--primary);
}

.tool-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin: 0;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.tool-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Main Tool Area */
.tool-main {
    background: var(--bg-elevated);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--border);
}

/* Upload Section */
.upload-section {
    padding: 3rem;
}

.upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    padding: 4rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, #fafafa 0%, #f5f5f5 100%);
    position: relative;
    overflow: hidden;
}

.upload-area::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.05), rgba(217, 119, 6, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.upload-area:hover,
.upload-area.dragover,
.upload-area.active {
    border-color: var(--primary);
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.upload-area:hover::before,
.upload-area.dragover::before,
.upload-area.active::before {
    opacity: 1;
}

.upload-content {
    position: relative;
    z-index: 1;
}

.upload-icon {
    color: var(--primary);
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease;
}

.upload-area:hover .upload-icon {
    transform: translateY(-5px);
}

.upload-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text);
    margin: 0 0 0.5rem;
}

.upload-subtitle {
    color: var(--text-secondary);
    margin: 0 0 1rem;
    font-size: 1rem;
}

.upload-hint {
    display: inline-block;
    background: var(--bg);
    color: var(--text-muted);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
}

.file-types {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.file-type-badge {
    background: linear-gradient(135deg, var(--primary-light), #fde68a);
    color: var(--primary-dark);
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
}

/* Paste Section */
.paste-section {
    margin-top: 2rem;
}

.paste-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.paste-divider::before,
.paste-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.paste-divider span {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.json-textarea {
    width: 100%;
    min-height: 150px;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    resize: vertical;
    background: var(--bg);
    color: var(--text);
    transition: all 0.2s ease;
}

.json-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}

.json-textarea::placeholder {
    color: var(--text-muted);
}

.paste-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

/* Error Message */
.error-message {
    display: none;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: #FEF2F2;
    border: 1px solid #FECACA;
    border-radius: var(--radius-md);
    color: var(--danger);
    margin-top: 1.5rem;
    animation: fadeIn 0.3s ease;
}

.error-message.visible {
    display: flex;
}

.error-message svg {
    flex-shrink: 0;
}

.error-message span {
    flex: 1;
    font-size: 0.9rem;
}

.error-close {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    color: var(--danger);
    opacity: 0.7;
    transition: opacity 0.2s;
}

.error-close:hover {
    opacity: 1;
}

/* Editor Section */
.editor-section {
    padding: 0;
    animation: fadeIn 0.4s ease;
}

/* File Info Bar */
.file-info-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding: 1.25rem 2rem;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-bottom: 1px solid var(--border);
}

.file-info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.file-info-item svg {
    color: var(--primary);
    flex-shrink: 0;
    width: 18px;
    height: 18px;
}

.validation-status {
    color: var(--success);
}

.validation-status svg {
    color: var(--success);
}

.validation-status.invalid {
    color: var(--danger);
}

.validation-status.invalid svg {
    color: var(--danger);
}

/* Toolbar */
.viewer-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 1rem;
}

.toolbar-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.toolbar-center {
    flex: 1;
    display: flex;
    justify-content: center;
    min-width: 200px;
}

.toolbar-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* View Toggle */
.view-toggle {
    display: flex;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--bg);
}

.view-toggle button {
    padding: 0.6rem 1rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.view-toggle button:not(:last-child) {
    border-right: 1px solid var(--border);
}

.view-toggle button:hover {
    background: var(--bg-elevated);
    color: var(--text);
}

.view-toggle button.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
}

.view-toggle button svg {
    width: 16px;
    height: 16px;
}

/* Search Box */
.search-box {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    max-width: 300px;
    width: 100%;
    transition: all 0.2s ease;
}

.search-box:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}

.search-box svg {
    color: var(--text-muted);
    flex-shrink: 0;
}

.search-box input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 0.875rem;
    color: var(--text);
    outline: none;
    min-width: 0;
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.search-count {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
}

/* Toolbar Buttons */
.toolbar-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border: 1px solid var(--border);
    background: var(--bg-elevated);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-secondary);
}

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

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

.toolbar-btn svg {
    width: 18px;
    height: 18px;
}

/* Options Bar */
.options-bar {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 0.75rem 2rem;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

.option-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.option-group label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.styled-select {
    padding: 0.4rem 2rem 0.4rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-elevated);
    font-size: 0.875rem;
    color: var(--text);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    transition: all 0.2s ease;
}

.styled-select:hover {
    border-color: var(--primary);
}

.styled-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}

/* Checkbox Group */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
}

.checkbox-group label {
    cursor: pointer;
    user-select: none;
}

/* Content Area */
.viewer-content {
    min-height: 450px;
    max-height: 65vh;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
    position: relative;
}

/* Tree Panel */
.tree-panel {
    height: 100%;
    overflow: auto;
    padding: 1.5rem;
    background: var(--bg-elevated);
}

.tree-container {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
}

/* Tree Node */
.tree-node {
    margin-left: 1.25rem;
    position: relative;
}

.tree-node::before {
    content: '';
    position: absolute;
    left: -1rem;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--border);
}

.tree-node:last-child::before {
    bottom: 50%;
}

.tree-row {
    display: flex;
    align-items: flex-start;
    padding: 0.2rem 0;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: background 0.15s ease;
}

.tree-row:hover {
    background: rgba(245, 158, 11, 0.08);
}

.tree-row.search-match {
    background: rgba(245, 158, 11, 0.2);
}

.tree-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    margin-right: 0.25rem;
    color: var(--text-muted);
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.tree-toggle.collapsed {
    transform: rotate(-90deg);
}

.tree-toggle svg {
    width: 14px;
    height: 14px;
}

.tree-toggle-placeholder {
    width: 20px;
    margin-right: 0.25rem;
    flex-shrink: 0;
}

.tree-key {
    color: var(--json-key);
    font-weight: 500;
    margin-right: 0.5rem;
}

.tree-colon {
    color: var(--text-muted);
    margin-right: 0.5rem;
}

.tree-value {
    word-break: break-word;
}

.tree-value.string {
    color: var(--json-string);
}

.tree-value.number {
    color: var(--json-number);
}

.tree-value.boolean {
    color: var(--json-boolean);
}

.tree-value.null {
    color: var(--json-null);
    font-style: italic;
}

.tree-bracket {
    color: var(--json-bracket);
    font-weight: 500;
}

.tree-preview {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-left: 0.5rem;
}

.tree-children {
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.tree-children.collapsed {
    display: none;
}

/* Type Badge */
.type-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.1rem 0.4rem;
    border-radius: var(--radius-sm);
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-left: 0.5rem;
    flex-shrink: 0;
}

.type-badge.string {
    background: rgba(16, 185, 129, 0.15);
    color: var(--json-string);
}

.type-badge.number {
    background: rgba(59, 130, 246, 0.15);
    color: var(--json-number);
}

.type-badge.boolean {
    background: rgba(249, 115, 22, 0.15);
    color: var(--json-boolean);
}

.type-badge.null {
    background: rgba(107, 114, 128, 0.15);
    color: var(--json-null);
}

.type-badge.array {
    background: rgba(139, 92, 246, 0.15);
    color: var(--purple);
}

.type-badge.object {
    background: rgba(245, 158, 11, 0.15);
    color: var(--primary);
}

/* Code Panel */
.code-panel {
    height: 100%;
    overflow: auto;
    background: #1e293b;
}

.code-wrapper {
    display: flex;
    min-height: 100%;
}

.line-numbers {
    padding: 1.5rem 1rem;
    background: #0f172a;
    color: #64748b;
    text-align: right;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    user-select: none;
    border-right: 1px solid #334155;
    flex-shrink: 0;
}

.code-content {
    flex: 1;
    padding: 1.5rem;
    margin: 0;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    color: #e2e8f0;
    white-space: pre-wrap;
    word-break: break-word;
    overflow-x: auto;
}

/* Code syntax highlighting */
.code-content .json-key {
    color: #c4b5fd;
}

.code-content .json-string {
    color: #6ee7b7;
}

.code-content .json-number {
    color: #93c5fd;
}

.code-content .json-boolean {
    color: #fdba74;
}

.code-content .json-null {
    color: #9ca3af;
    font-style: italic;
}

.code-content .json-bracket {
    color: #94a3b8;
}

/* Table Panel */
.table-panel {
    height: 100%;
    overflow: auto;
    background: var(--bg-elevated);
}

.table-container {
    padding: 1.5rem;
    min-height: 100%;
}

.table-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
    color: var(--text-muted);
}

.table-message svg {
    margin-bottom: 1rem;
    opacity: 0.5;
}

.table-message h3 {
    margin: 0 0 0.5rem;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.table-message p {
    margin: 0;
    font-size: 0.9rem;
}

/* JSON Table */
.json-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.json-table th {
    position: sticky;
    top: 0;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 600;
    white-space: nowrap;
}

.json-table th:first-child {
    border-radius: var(--radius-sm) 0 0 0;
}

.json-table th:last-child {
    border-radius: 0 var(--radius-sm) 0 0;
}

.json-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.json-table tr:hover td {
    background: rgba(245, 158, 11, 0.05);
}

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

.json-table tr:nth-child(even):hover td {
    background: rgba(245, 158, 11, 0.08);
}

/* Stats Bar */
.stats-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-bottom: 1px solid var(--border);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.stat-item svg {
    color: var(--primary);
    width: 16px;
    height: 16px;
}

.stat-item strong {
    color: var(--text);
    font-weight: 600;
}

/* Action Bar */
.action-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1.5rem 2rem;
    justify-content: center;
    background: var(--bg-elevated);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    text-decoration: none;
}

.btn svg {
    width: 20px;
    height: 20px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

.btn-secondary {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-elevated);
    border-color: var(--primary);
    color: var(--primary);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #DC2626);
    color: white;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* Info Sections */
.info-sections {
    display: grid;
    gap: 2rem;
    margin-top: 3rem;
}

.info-card {
    background: var(--bg-elevated);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
}

.info-card h2 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.35rem;
    color: var(--text);
    margin: 0 0 1.5rem;
}

.info-card h2 svg {
    color: var(--primary);
    width: 24px;
    height: 24px;
}

/* Steps List */
.steps-list {
    list-style: none;
    padding: 0;
    margin: 0;
    counter-reset: step;
}

.steps-list li {
    position: relative;
    padding-left: 3.5rem;
    padding-bottom: 1.25rem;
    margin-left: 1rem;
    counter-increment: step;
}

.steps-list li:not(:last-child) {
    border-left: 2px solid var(--primary-light);
}

.steps-list li:last-child {
    padding-bottom: 0;
}

.steps-list li::before {
    content: counter(step);
    position: absolute;
    left: -1rem;
    top: 0;
    width: 2rem;
    height: 2rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.feature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
}

.feature-icon.blue { background: linear-gradient(135deg, #3B82F6, #2563EB); }
.feature-icon.green { background: linear-gradient(135deg, var(--success), #059669); }
.feature-icon.purple { background: linear-gradient(135deg, var(--purple), #7C3AED); }
.feature-icon.orange { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); }

.feature-content h3 {
    margin: 0 0 0.35rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
}

.feature-content p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Syntax Grid */
.syntax-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 0.75rem;
    margin-top: 1rem;
}

.syntax-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.syntax-badge:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.type-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.syntax-badge.string .type-dot { background: var(--json-string); }
.syntax-badge.number .type-dot { background: var(--json-number); }
.syntax-badge.boolean .type-dot { background: var(--json-boolean); }
.syntax-badge.null .type-dot { background: var(--json-null); }
.syntax-badge.array .type-dot { background: var(--purple); }
.syntax-badge.object .type-dot { background: var(--primary); }

/* FAQ */
.faq-list {
    display: grid;
    gap: 0.75rem;
}

.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 1rem 1.25rem;
    background: var(--bg);
    border: none;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s ease;
}

.faq-question:hover {
    background: var(--bg-elevated);
}

.faq-question svg {
    color: var(--primary);
    transition: transform 0.3s ease;
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.faq-item.open .faq-question svg {
    transform: rotate(180deg);
}

.faq-answer {
    display: none;
    padding: 0 1.25rem 1rem;
    background: var(--bg-elevated);
}

.faq-item.open .faq-answer {
    display: block;
}

.faq-answer p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Toast Notification */
.toast-notification {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: var(--text);
    color: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
}

.toast-notification.visible {
    transform: translateY(0);
    opacity: 1;
}

.toast-notification svg {
    color: var(--success);
    flex-shrink: 0;
}

/* Responsive */
@media (max-width: 900px) {
    .viewer-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .toolbar-left,
    .toolbar-center,
    .toolbar-right {
        justify-content: center;
    }
    
    .toolbar-center {
        order: 3;
    }
    
    .search-box {
        max-width: none;
    }
    
    .viewer-content {
        max-height: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .options-bar {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .tool-container {
        padding: 1rem;
    }
    
    .upload-section {
        padding: 2rem 1.5rem;
    }
    
    .upload-area {
        padding: 3rem 1.5rem;
    }
    
    .viewer-toolbar {
        padding: 1rem;
    }
    
    .options-bar {
        padding: 0.75rem 1rem;
        gap: 1rem;
    }
    
    .tree-panel,
    .table-container {
        padding: 1rem;
    }
    
    .stats-bar {
        gap: 1rem;
        padding: 1rem;
    }
    
    .action-bar {
        flex-direction: column;
        padding: 1.5rem;
    }
    
    .btn {
        width: 100%;
    }
    
    .file-info-bar {
        justify-content: center;
    }
    
    .paste-actions {
        flex-direction: column;
    }
    
    .paste-actions .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .tool-title {
        font-size: 1.75rem;
    }
    
    .tool-title-row {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .file-info-bar {
        flex-direction: column;
        gap: 0.75rem;
        align-items: flex-start;
    }
    
    .view-toggle {
        width: 100%;
    }
    
    .view-toggle button {
        flex: 1;
        justify-content: center;
    }
    
    .toolbar-right {
        width: 100%;
        justify-content: space-between;
    }
    
    .stats-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .feature-item {
        flex-direction: column;
    }
    
    .syntax-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

/* Print Styles */
@media print {
    .upload-section,
    .viewer-toolbar,
    .options-bar,
    .action-bar,
    .stats-bar,
    .info-sections,
    .toast-notification {
        display: none !important;
    }
    
    .tool-main {
        box-shadow: none;
        border: none;
    }
    
    .editor-section {
        display: block !important;
    }
    
    .tree-panel,
    .code-panel {
        max-height: none;
        overflow: visible;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}