/* Pseudocode Generator - Complete Styles with Light/Dark Theme Support */

/* ===== CSS Variables ===== */
.pseudo-generator-container {
    --pseudo-primary: var(--primary-color, #6366f1);
    --pseudo-secondary: var(--secondary-color, #8b5cf6);
    --pseudo-bg: var(--card-bg-color, #fcfcfc);
    --pseudo-surface: var(--background-color, #ffffff);
    --pseudo-text: var(--text-color, #1f2937);
    --pseudo-text-muted: #6b7280;
    --pseudo-border: var(--border-color, rgba(99, 102, 241, 0.15));
    --pseudo-shadow: var(--box-shadow, 0 4px 6px rgba(0, 0, 0, 0.1));
    --pseudo-radius: var(--border-radius-md, 10px);
    --pseudo-radius-lg: var(--border-radius-lg, 16px);
    --pseudo-transition: var(--transition-fast, 0.2s ease);
    --pseudo-gradient: linear-gradient(135deg, var(--pseudo-primary), var(--pseudo-secondary));
    --pseudo-success: #10b981;
    --pseudo-warning: #f59e0b;
    --pseudo-danger: #ef4444;
    --pseudo-info: #3b82f6;

    /* Syntax Highlighting Colors - Light */
    --pseudo-keyword: #7c3aed;
    --pseudo-variable: #2563eb;
    --pseudo-string: #059669;
    --pseudo-number: #d97706;
    --pseudo-comment: #6b7280;
    --pseudo-operator: #dc2626;
}

.dark-theme .pseudo-generator-container,
[data-theme="dark"] .pseudo-generator-container {
    --pseudo-text-muted: #9ca3af;
    --pseudo-surface: #1a1d24;
    --pseudo-bg: #242830;
    --pseudo-border: rgba(99, 102, 241, 0.25);

    /* Syntax Highlighting Colors - Dark */
    --pseudo-keyword: #a78bfa;
    --pseudo-variable: #60a5fa;
    --pseudo-string: #34d399;
    --pseudo-number: #fbbf24;
    --pseudo-comment: #9ca3af;
    --pseudo-operator: #f87171;
}

/* ===== Base Container ===== */
.pseudo-generator-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem;
    font-family: var(--font-family, 'Inter', -apple-system, BlinkMacSystemFont, sans-serif);
    color: var(--pseudo-text);
}

/* ===== Header ===== */
.pseudo-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.05));
    border-radius: var(--pseudo-radius-lg);
    border: 1px solid rgba(99, 102, 241, 0.15);
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.dark-theme .pseudo-header {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.1));
}

.pseudo-header .header-content {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.pseudo-header .header-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--pseudo-gradient);
    border-radius: 16px;
    font-size: 1.75rem;
    color: white;
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35);
}

.pseudo-header h2 {
    margin: 0 0 0.25rem 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--pseudo-text);
}

.pseudo-header p {
    margin: 0;
    opacity: 0.7;
    font-size: 0.9rem;
    color: var(--pseudo-text);
}

.header-actions {
    display: flex;
    gap: 0.5rem;
}

.pseudo-generator-container .btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--pseudo-border);
    border-radius: 12px;
    background: var(--pseudo-surface);
    color: var(--pseudo-text);
    cursor: pointer;
    transition: all 0.3s ease;
}

.pseudo-generator-container .btn-icon:hover:not(:disabled) {
    border-color: var(--pseudo-primary);
    color: var(--pseudo-primary);
    background: rgba(99, 102, 241, 0.05);
    transform: translateY(-2px);
}

.pseudo-generator-container .btn-icon:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===== Privacy Notice ===== */
.privacy-notice {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--pseudo-radius);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(59, 130, 246, 0.1));
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--pseudo-success);
}

.dark-theme .privacy-notice {
    background: rgba(16, 185, 129, 0.15);
}

/* ===== Buttons ===== */
.pseudo-generator-container .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--pseudo-radius);
    border: none;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.pseudo-generator-container .btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.pseudo-generator-container .btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.pseudo-generator-container .btn-primary {
    background: var(--pseudo-gradient);
    color: #fff !important;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
}

.pseudo-generator-container .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.pseudo-generator-container .btn-secondary {
    background: var(--pseudo-bg);
    color: var(--pseudo-text);
    border: 2px solid var(--pseudo-border);
}

.pseudo-generator-container .btn-secondary:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--pseudo-primary);
}

.pseudo-generator-container .btn-outline {
    background: transparent;
    color: var(--pseudo-primary);
    border: 2px solid var(--pseudo-primary);
}

.pseudo-generator-container .btn-outline:hover {
    background: var(--pseudo-primary);
    color: #fff;
}

.pseudo-generator-container .btn-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--pseudo-text-muted);
    cursor: pointer;
    padding: 0.5rem;
    line-height: 1;
    transition: color 0.2s;
}

.pseudo-generator-container .btn-close:hover {
    color: var(--pseudo-danger);
}

/* ===== Mode Tabs ===== */
.mode-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    padding: 0.5rem;
    background: var(--pseudo-bg);
    border-radius: var(--pseudo-radius);
    border: 1px solid var(--pseudo-border);
    overflow-x: auto;
}

.mode-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    border: none;
    background: transparent;
    color: var(--pseudo-text-muted);
    border-radius: var(--pseudo-radius);
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.mode-tab:hover {
    background: var(--pseudo-surface);
    color: var(--pseudo-text);
}

.mode-tab.active {
    background: var(--pseudo-gradient);
    color: #fff;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.mode-tab i {
    font-size: 1rem;
}

/* ===== Mode Panels ===== */
.mode-panel {
    display: none;
    background: var(--pseudo-bg);
    border-radius: var(--pseudo-radius-lg);
    border: 1px solid var(--pseudo-border);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.mode-panel.active {
    display: block;
    animation: fadeSlideIn 0.4s ease;
}

@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.panel-header h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
    font-size: 1.25rem;
    color: var(--pseudo-text);
}

.panel-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* ===== Style Selector ===== */
.style-selector,
.language-selector,
.template-filter {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.style-selector label,
.language-selector label,
.template-filter label {
    font-weight: 500;
    color: var(--pseudo-text-muted);
    font-size: 0.9rem;
}

.select-control {
    padding: 0.6rem 1rem;
    border: 2px solid var(--pseudo-border);
    border-radius: var(--pseudo-radius);
    background: var(--pseudo-surface);
    color: var(--pseudo-text);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
    min-width: 160px;
}

.select-control:focus {
    outline: none;
    border-color: var(--pseudo-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

/* ===== Dual Pane Layout ===== */
.dual-pane {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 1.5rem;
    align-items: stretch;
}

.input-pane,
.output-pane {
    display: flex;
    flex-direction: column;
    background: var(--pseudo-surface);
    border-radius: var(--pseudo-radius);
    border: 1px solid var(--pseudo-border);
    overflow: hidden;
}

.pane-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.875rem 1rem;
    background: rgba(99, 102, 241, 0.05);
    border-bottom: 1px solid var(--pseudo-border);
    flex-wrap: wrap;
    gap: 0.5rem;
}

.dark-theme .pane-header {
    background: rgba(99, 102, 241, 0.1);
}

.pane-header h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--pseudo-text);
}

.pane-actions {
    display: flex;
    gap: 0.5rem;
}

.input-pane textarea,
.flowchart-input textarea {
    flex: 1;
    min-height: 350px;
    padding: 1rem;
    border: none;
    background: var(--pseudo-surface);
    color: var(--pseudo-text);
    font-family: 'Monaco', 'Menlo', 'Consolas', 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.7;
    resize: vertical;
    outline: none;
}

.input-pane textarea::placeholder,
.flowchart-input textarea::placeholder {
    color: var(--pseudo-text-muted);
    opacity: 0.6;
}

.input-hints {
    padding: 0.75rem 1rem;
    background: rgba(99, 102, 241, 0.03);
    border-top: 1px solid var(--pseudo-border);
    font-size: 0.85rem;
    color: var(--pseudo-text-muted);
}

.dark-theme .input-hints {
    background: rgba(99, 102, 241, 0.08);
}

.action-divider {
    display: flex;
    align-items: center;
    justify-content: center;
}

.pseudo-output {
    flex: 1;
    min-height: 350px;
    padding: 1rem;
    margin: 0;
    background: var(--pseudo-surface);
    color: var(--pseudo-text);
    font-family: 'Monaco', 'Menlo', 'Consolas', 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.7;
    white-space: pre-wrap;
    overflow: auto;
}

/* Syntax Highlighting in Output */
.pseudo-output .keyword {
    color: var(--pseudo-keyword);
    font-weight: 600;
}

.pseudo-output .variable {
    color: var(--pseudo-variable);
}

.pseudo-output .string {
    color: var(--pseudo-string);
}

.pseudo-output .number {
    color: var(--pseudo-number);
}

.pseudo-output .comment {
    color: var(--pseudo-comment);
    font-style: italic;
}

.pseudo-output .operator {
    color: var(--pseudo-operator);
}

/* ===== Code Input with Line Numbers ===== */
.code-input-wrapper {
    display: flex;
    flex: 1;
    position: relative;
}

.line-numbers {
    width: 50px;
    padding: 1rem 0.5rem;
    background: rgba(99, 102, 241, 0.03);
    border-right: 1px solid var(--pseudo-border);
    text-align: right;
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    font-size: 0.85rem;
    line-height: 1.7;
    color: var(--pseudo-text-muted);
    user-select: none;
    overflow: hidden;
}

.dark-theme .line-numbers {
    background: rgba(99, 102, 241, 0.08);
}

.line-numbers span {
    display: block;
}

.code-input-wrapper textarea {
    flex: 1;
    min-height: 350px;
    padding: 1rem;
    border: none;
    background: var(--pseudo-surface);
    color: var(--pseudo-text);
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    font-size: 0.9rem;
    line-height: 1.7;
    resize: vertical;
    outline: none;
}

.detected-language {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: rgba(99, 102, 241, 0.05);
    border-top: 1px solid var(--pseudo-border);
    font-size: 0.85rem;
    color: var(--pseudo-text-muted);
}

.detected-language strong {
    color: var(--pseudo-primary);
}

/* ===== Visual Builder ===== */
.builder-container {
    display: grid;
    grid-template-columns: 200px 1fr 1fr;
    gap: 1.5rem;
    min-height: 500px;
}

.builder-sidebar {
    background: var(--pseudo-surface);
    border-radius: var(--pseudo-radius);
    border: 1px solid var(--pseudo-border);
    padding: 1rem;
    overflow-y: auto;
}

.builder-sidebar h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 0 1rem 0;
    font-size: 0.95rem;
    color: var(--pseudo-text);
}

.element-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

.element-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    padding: 0.75rem 0.5rem;
    background: var(--pseudo-bg);
    border: 2px solid var(--pseudo-border);
    border-radius: var(--pseudo-radius);
    color: var(--pseudo-text);
    font-size: 0.7rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.element-btn i {
    font-size: 1rem;
    color: var(--pseudo-primary);
}

.element-btn:hover {
    border-color: var(--pseudo-primary);
    background: rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
}

.element-btn:active {
    transform: translateY(0);
}

.builder-main {
    background: var(--pseudo-surface);
    border-radius: var(--pseudo-radius);
    border: 1px solid var(--pseudo-border);
    overflow-y: auto;
}

.steps-container {
    padding: 1rem;
    min-height: 400px;
}

.steps-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 350px;
    text-align: center;
    color: var(--pseudo-text-muted);
}

.steps-placeholder i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.steps-placeholder p {
    margin: 0;
    font-size: 1rem;
}

.steps-placeholder span {
    font-size: 0.85rem;
    opacity: 0.7;
}

.step-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--pseudo-bg);
    border: 1px solid var(--pseudo-border);
    border-radius: var(--pseudo-radius);
    margin-bottom: 0.5rem;
    transition: all 0.2s;
    cursor: move;
}

.step-item:hover {
    border-color: var(--pseudo-primary);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.15);
}

.step-item.indent-1 {
    margin-left: 1.5rem;
}

.step-item.indent-2 {
    margin-left: 3rem;
}

.step-item.indent-3 {
    margin-left: 4.5rem;
}

.step-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--pseudo-gradient);
    border-radius: 8px;
    color: white;
    font-size: 0.85rem;
}

.step-content {
    flex: 1;
}

.step-type {
    font-weight: 600;
    color: var(--pseudo-keyword);
    font-size: 0.8rem;
    text-transform: uppercase;
}

.step-input {
    width: 100%;
    padding: 0.4rem 0.6rem;
    border: 1px solid var(--pseudo-border);
    border-radius: 4px;
    background: var(--pseudo-surface);
    color: var(--pseudo-text);
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

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

.step-actions {
    display: flex;
    gap: 0.25rem;
}

.step-action-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: 1px solid transparent;
    border-radius: 4px;
    color: var(--pseudo-text-muted);
    cursor: pointer;
    transition: all 0.2s;
}

.step-action-btn:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--pseudo-primary);
    border-color: var(--pseudo-primary);
}

.step-action-btn.delete:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--pseudo-danger);
    border-color: var(--pseudo-danger);
}

.builder-output {
    background: var(--pseudo-surface);
    border-radius: var(--pseudo-radius);
    border: 1px solid var(--pseudo-border);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.builder-output .pseudo-output {
    flex: 1;
}

/* ===== Algorithm Templates ===== */
.templates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.template-card {
    background: var(--pseudo-surface);
    border: 2px solid var(--pseudo-border);
    border-radius: var(--pseudo-radius);
    padding: 1.25rem;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.template-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--pseudo-gradient);
    opacity: 0;
    transition: opacity 0.3s;
}

.template-card:hover {
    border-color: var(--pseudo-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.2);
}

.template-card:hover::before {
    opacity: 1;
}

.template-card.selected {
    border-color: var(--pseudo-primary);
    background: rgba(99, 102, 241, 0.05);
}

.template-card.selected::before {
    opacity: 1;
}

.template-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 12px;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    color: var(--pseudo-primary);
}

.template-card h4 {
    margin: 0 0 0.5rem 0;
    font-size: 1rem;
    color: var(--pseudo-text);
}

.template-card p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--pseudo-text-muted);
    line-height: 1.4;
}

.template-complexity {
    display: inline-block;
    margin-top: 0.75rem;
    padding: 0.25rem 0.75rem;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--pseudo-primary);
}

.template-output-section {
    background: var(--pseudo-surface);
    border-radius: var(--pseudo-radius);
    border: 1px solid var(--pseudo-border);
    overflow: hidden;
}

/* ===== Flowchart ===== */
.flowchart-container {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 1.5rem;
    min-height: 500px;
}

.flowchart-input {
    background: var(--pseudo-surface);
    border-radius: var(--pseudo-radius);
    border: 1px solid var(--pseudo-border);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.flowchart-input textarea {
    flex: 1;
    min-height: 400px;
}

.flowchart-output {
    background: var(--pseudo-surface);
    border-radius: var(--pseudo-radius);
    border: 1px solid var(--pseudo-border);
    overflow: hidden;
}

.flowchart-canvas-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 500px;
    overflow: auto;
    background:
        linear-gradient(90deg, rgba(99, 102, 241, 0.05) 1px, transparent 1px),
        linear-gradient(rgba(99, 102, 241, 0.05) 1px, transparent 1px);
    background-size: 20px 20px;
}

#flowchart-canvas {
    display: block;
}

.flowchart-placeholder {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--pseudo-text-muted);
}

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

.flowchart-placeholder p {
    margin: 0;
    font-size: 1rem;
}

.flowchart-actions {
    display: flex;
    gap: 0.5rem;
}

/* ===== Error Detection Section ===== */
.error-detection-section {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(239, 68, 68, 0.05));
    border: 2px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--pseudo-radius);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.error-detection-section .error-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    font-weight: 600;
    border-bottom: 1px solid rgba(239, 68, 68, 0.2);
}

.error-detection-section .error-header span {
    flex: 1;
}

.error-detection-section .error-header .btn-outline {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
    border-color: rgba(239, 68, 68, 0.5);
    color: #ef4444;
}

.error-detection-section .error-header .btn-outline:hover {
    background: rgba(239, 68, 68, 0.2);
    border-color: #ef4444;
}

.error-list {
    padding: 1rem;
    background: rgba(239, 68, 68, 0.03);
}

.error-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-left: 4px solid #ef4444;
    border-radius: 8px;
    margin-bottom: 0.75rem;
}

.error-item:last-child {
    margin-bottom: 0;
}

.error-item i {
    color: #ef4444;
    margin-top: 0.2rem;
    font-size: 1rem;
}

.error-item>div {
    flex: 1;
}

.error-item .error-message {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--pseudo-text);
    margin-bottom: 0.25rem;
}

.error-item .error-line {
    font-size: 0.85rem;
    color: var(--pseudo-text-muted);
}

/* Dark theme overrides for error section */
.dark-theme .error-detection-section,
[data-theme="dark"] .error-detection-section,
body.dark-theme .error-detection-section {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.15), rgba(239, 68, 68, 0.08)) !important;
    border-color: rgba(239, 68, 68, 0.4) !important;
}

.dark-theme .error-detection-section .error-header,
[data-theme="dark"] .error-detection-section .error-header,
body.dark-theme .error-detection-section .error-header {
    background: rgba(239, 68, 68, 0.2) !important;
    color: #f87171 !important;
    border-bottom-color: rgba(239, 68, 68, 0.3) !important;
}

.dark-theme .error-list,
[data-theme="dark"] .error-list,
body.dark-theme .error-list {
    background: rgba(20, 20, 30, 0.5) !important;
}

.dark-theme .error-item,
[data-theme="dark"] .error-item,
body.dark-theme .error-item {
    background: rgba(40, 30, 35, 0.9) !important;
    border-color: rgba(239, 68, 68, 0.4) !important;
    border-left-color: #f87171 !important;
}

.dark-theme .error-item i,
[data-theme="dark"] .error-item i,
body.dark-theme .error-item i {
    color: #f87171 !important;
}

.dark-theme .error-item>div,
[data-theme="dark"] .error-item>div,
body.dark-theme .error-item>div {
    background: transparent !important;
}

.dark-theme .error-item .error-message,
[data-theme="dark"] .error-item .error-message,
body.dark-theme .error-item .error-message {
    color: #f3f4f6 !important;
    background: transparent !important;
}

.dark-theme .error-item .error-line,
[data-theme="dark"] .error-item .error-line,
body.dark-theme .error-item .error-line {
    color: #9ca3af !important;
    background: transparent !important;
}

/* Additional specificity for nested elements */
.dark-theme .error-detection-section .error-list .error-item,
[data-theme="dark"] .error-detection-section .error-list .error-item {
    background: rgba(40, 30, 35, 0.95) !important;
}

.dark-theme .error-detection-section .error-list .error-item *,
[data-theme="dark"] .error-detection-section .error-list .error-item * {
    background-color: transparent !important;
}

/* ===== Explanation Section ===== */
.explanation-section {
    background: var(--pseudo-bg);
    border-radius: var(--pseudo-radius-lg);
    border: 1px solid var(--pseudo-border);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.explanation-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    background: rgba(99, 102, 241, 0.05);
    border-bottom: 1px solid var(--pseudo-border);
}

.explanation-header h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
    font-size: 1.1rem;
    color: var(--pseudo-text);
}

.explanation-content {
    padding: 1rem;
    max-height: 400px;
    overflow-y: auto;
}

.explanation-line {
    display: flex;
    gap: 1rem;
    padding: 0.75rem;
    border-radius: 8px;
    margin-bottom: 0.5rem;
    background: var(--pseudo-surface);
    border: 1px solid var(--pseudo-border);
}

.explanation-line:hover {
    border-color: var(--pseudo-primary);
}

.explanation-code {
    flex: 1;
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    font-size: 0.85rem;
    color: var(--pseudo-keyword);
}

.explanation-text {
    flex: 2;
    font-size: 0.9rem;
    color: var(--pseudo-text-muted);
}

/* ===== Export Section ===== */
.export-section {
    background: var(--pseudo-bg);
    border-radius: var(--pseudo-radius-lg);
    border: 1px solid var(--pseudo-border);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.export-header {
    margin-bottom: 1.25rem;
}

.export-header h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
    font-size: 1.1rem;
    color: var(--pseudo-text);
}

.export-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.export-actions .btn {
    flex: 1;
    min-width: 140px;
    justify-content: center;
}

/* ===== Mode Toggle (Exam Mode) ===== */
.mode-toggle-section {
    background: var(--pseudo-bg);
    border-radius: var(--pseudo-radius);
    border: 1px solid var(--pseudo-border);
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
}

.mode-toggle {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 28px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--pseudo-border);
    transition: 0.3s;
    border-radius: 28px;
}

.toggle-slider::before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 3px;
    bottom: 3px;
    background: white;
    transition: 0.3s;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle-switch input:checked+.toggle-slider {
    background: var(--pseudo-gradient);
}

.toggle-switch input:checked+.toggle-slider::before {
    transform: translateX(24px);
}

.toggle-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--pseudo-text);
}

.toggle-info small {
    color: var(--pseudo-text-muted);
    font-size: 0.85rem;
}

/* ===== Modals ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    backdrop-filter: blur(4px);
}

.modal-content {
    background: var(--pseudo-bg);
    border-radius: var(--pseudo-radius-lg);
    width: 90%;
    max-width: 550px;
    max-height: 85vh;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease;
}

.modal-content.modal-lg {
    max-width: 800px;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(-20px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    background: rgba(99, 102, 241, 0.05);
    border-bottom: 1px solid var(--pseudo-border);
}

.modal-header h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
    font-size: 1.25rem;
    color: var(--pseudo-text);
}

.modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--pseudo-text-muted);
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s;
}

.modal-close:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--pseudo-danger);
}

.modal-body {
    padding: 1.5rem;
    max-height: 60vh;
    overflow-y: auto;
}

.modal-footer {
    padding: 1rem 1.5rem;
    background: rgba(99, 102, 241, 0.03);
    border-top: 1px solid var(--pseudo-border);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* ===== Settings Section ===== */
.settings-section {
    margin-bottom: 1.5rem;
}

.settings-section:last-child {
    margin-bottom: 0;
}

.settings-section h4 {
    margin: 0 0 1rem 0;
    font-size: 1rem;
    color: var(--pseudo-text);
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--pseudo-border);
}

.custom-keywords-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.custom-keywords-grid label {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--pseudo-text-muted);
}

.text-input {
    padding: 0.6rem 0.75rem;
    border: 2px solid var(--pseudo-border);
    border-radius: var(--pseudo-radius);
    background: var(--pseudo-surface);
    color: var(--pseudo-text);
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    font-size: 0.9rem;
}

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

.checkbox-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--pseudo-text);
    padding: 0.5rem 0;
}

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

/* ===== Help Modal ===== */
.help-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.help-tab {
    padding: 0.6rem 1.25rem;
    border: 2px solid var(--pseudo-border);
    background: transparent;
    border-radius: var(--pseudo-radius);
    color: var(--pseudo-text-muted);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.help-tab:hover {
    border-color: var(--pseudo-primary);
    color: var(--pseudo-primary);
}

.help-tab.active {
    background: var(--pseudo-gradient);
    border-color: transparent;
    color: white;
}

.help-panel {
    display: none;
}

.help-panel.active {
    display: block;
    animation: fadeSlideIn 0.3s ease;
}

.help-panel h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 0 1rem 0;
    font-size: 1rem;
    color: var(--pseudo-text);
}

.keywords-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
}

.keyword-group {
    background: var(--pseudo-surface);
    border-radius: var(--pseudo-radius);
    border: 1px solid var(--pseudo-border);
    padding: 1rem;
}

.keyword-group h5 {
    margin: 0 0 0.75rem 0;
    font-size: 0.9rem;
    color: var(--pseudo-primary);
}

.keyword-group ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.keyword-group li {
    padding: 0.4rem 0;
    font-size: 0.85rem;
    color: var(--pseudo-text-muted);
}

.keyword-group code {
    padding: 0.2rem 0.4rem;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 4px;
    font-size: 0.8rem;
    color: var(--pseudo-keyword);
}

.syntax-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.syntax-example {
    background: var(--pseudo-surface);
    border-radius: var(--pseudo-radius);
    border: 1px solid var(--pseudo-border);
    overflow: hidden;
}

.syntax-example h5 {
    margin: 0;
    padding: 0.75rem 1rem;
    background: rgba(99, 102, 241, 0.1);
    font-size: 0.9rem;
    color: var(--pseudo-text);
}

.syntax-example pre {
    margin: 0;
    padding: 1rem;
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    font-size: 0.8rem;
    line-height: 1.6;
    color: var(--pseudo-text);
    overflow-x: auto;
}

.shortcuts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.75rem;
}

.shortcut {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--pseudo-surface);
    border-radius: var(--pseudo-radius);
    border: 1px solid var(--pseudo-border);
}

.shortcut kbd {
    display: inline-block;
    padding: 0.3rem 0.6rem;
    background: var(--pseudo-bg);
    border: 1px solid var(--pseudo-border);
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--pseudo-text);
    box-shadow: 0 2px 0 var(--pseudo-border);
}

.shortcut span {
    color: var(--pseudo-text-muted);
    font-size: 0.85rem;
}

.example-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.example-input,
.example-output {
    background: var(--pseudo-surface);
    border-radius: var(--pseudo-radius);
    border: 1px solid var(--pseudo-border);
    overflow: hidden;
}

.example-input h5,
.example-output h5 {
    margin: 0;
    padding: 0.75rem 1rem;
    background: rgba(99, 102, 241, 0.1);
    font-size: 0.85rem;
    color: var(--pseudo-text);
}

.example-input pre,
.example-output pre {
    margin: 0;
    padding: 1rem;
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    font-size: 0.8rem;
    line-height: 1.6;
    color: var(--pseudo-text);
}

/* ===== Responsive Design ===== */
@media (max-width: 1200px) {
    .builder-container {
        grid-template-columns: 180px 1fr;
    }

    .builder-output {
        grid-column: 1 / -1;
    }
}

@media (max-width: 992px) {
    .pseudo-generator-container {
        padding: 1rem;
    }

    .dual-pane {
        grid-template-columns: 1fr;
    }

    .action-divider {
        padding: 1rem 0;
    }

    .action-divider .btn {
        width: 100%;
        justify-content: center;
    }

    .action-divider .btn i {
        transform: rotate(90deg);
    }

    .flowchart-container {
        grid-template-columns: 1fr;
    }

    .builder-container {
        grid-template-columns: 1fr;
    }

    .builder-sidebar {
        order: -1;
    }

    .element-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .pseudo-header {
        padding: 1rem;
    }

    .pseudo-header .header-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }

    .pseudo-header h2 {
        font-size: 1.25rem;
    }

    .mode-tabs {
        padding: 0.4rem;
    }

    .mode-tab {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }

    .mode-tab span {
        display: none;
    }

    .mode-tab i {
        font-size: 1.1rem;
    }

    .panel-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .style-selector,
    .language-selector {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
    }

    .select-control {
        width: 100%;
    }

    .templates-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .element-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .example-item {
        grid-template-columns: 1fr;
    }

    .syntax-comparison {
        grid-template-columns: 1fr;
    }

    .export-actions {
        flex-direction: column;
    }

    .export-actions .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .pseudo-generator-container {
        padding: 0.75rem;
    }

    .pseudo-header .header-content {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
    }

    .pane-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .pane-actions {
        width: 100%;
        justify-content: flex-end;
    }

    .element-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .keywords-grid {
        grid-template-columns: 1fr;
    }

    .shortcuts-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== Print Styles ===== */
@media print {
    .pseudo-generator-container {
        padding: 0;
    }

    .pseudo-header,
    .mode-tabs,
    .header-actions,
    .pane-actions,
    .export-section,
    .mode-toggle-section,
    .privacy-notice,
    .builder-sidebar,
    .flowchart-actions,
    .modal {
        display: none !important;
    }

    .mode-panel {
        display: block !important;
        border: none;
        box-shadow: none;
    }

    .pseudo-output {
        border: 1px solid #ccc;
        page-break-inside: avoid;
    }
}

/* ===== Scrollbar Styling ===== */
.pseudo-generator-container ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.pseudo-generator-container ::-webkit-scrollbar-track {
    background: rgba(99, 102, 241, 0.05);
    border-radius: 4px;
}

.pseudo-generator-container ::-webkit-scrollbar-thumb {
    background: rgba(99, 102, 241, 0.3);
    border-radius: 4px;
}

.pseudo-generator-container ::-webkit-scrollbar-thumb:hover {
    background: rgba(99, 102, 241, 0.5);
}

.dark-theme .pseudo-generator-container ::-webkit-scrollbar-track {
    background: rgba(99, 102, 241, 0.1);
}

.dark-theme .pseudo-generator-container ::-webkit-scrollbar-thumb {
    background: rgba(99, 102, 241, 0.4);
}

/* ===== Animations ===== */
@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.loading {
    animation: pulse 1.5s ease-in-out infinite;
}

/* ===== Toast Notifications ===== */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 10001;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--pseudo-bg);
    border-radius: var(--pseudo-radius);
    border: 1px solid var(--pseudo-border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    animation: slideInRight 0.3s ease;
    min-width: 280px;
}

.toast.success {
    border-left: 4px solid var(--pseudo-success);
}

.toast.error {
    border-left: 4px solid var(--pseudo-danger);
}

.toast.info {
    border-left: 4px solid var(--pseudo-info);
}

.toast i {
    font-size: 1.25rem;
}

.toast.success i {
    color: var(--pseudo-success);
}

.toast.error i {
    color: var(--pseudo-danger);
}

.toast.info i {
    color: var(--pseudo-info);
}

.toast span {
    flex: 1;
    color: var(--pseudo-text);
    font-size: 0.9rem;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Flowchart dark theme styles */
.dark-theme .flowchart-canvas-wrapper,
[data-theme="dark"] .flowchart-canvas-wrapper {
    background:
        linear-gradient(90deg, rgba(99, 102, 241, 0.1) 1px, transparent 1px),
        linear-gradient(rgba(99, 102, 241, 0.1) 1px, transparent 1px);
    background-size: 20px 20px;
    background-color: var(--pseudo-surface);
}

.dark-theme .flowchart-placeholder,
[data-theme="dark"] .flowchart-placeholder {
    color: #9ca3af;
}

/* Toast dark theme enhancements */
.dark-theme .toast,
[data-theme="dark"] .toast {
    background: #2a2f3a;
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.dark-theme .toast span,
[data-theme="dark"] .toast span {
    color: #e5e7eb;
}

/* Ensure toast container is always visible and positioned correctly */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 100001;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    pointer-events: none;
}

.toast {
    pointer-events: auto;
}