/**
 * IDE Page Layout - Styles for Online Compiler / IDE Pages
 *
 * This file provides:
 * 1. IDE-specific layout that keeps Monaco editor in viewport
 * 2. VS Code-style dark theme for IDE workspace
 * 3. Light theme SEO content section below IDE
 * 4. Responsive adjustments for mobile/tablet
 *
 * Usage: Include after design-system.css and navigation.css
 */

/* ============================================
   IDE Theme Variables
   ============================================ */
:root {
    --oc-primary: #007acc;
    --oc-primary-hover: #005a9e;
    --oc-bg-dark: #1e1e1e;
    --oc-bg-darker: #252526;
    --oc-bg-sidebar: #333333;
    --oc-border: #3c3c3c;
    --oc-text: #cccccc;
    --oc-text-bright: #ffffff;
    --oc-success: #4ec9b0;
    --oc-error: #f48771;
    --oc-warning: #dcdcaa;
    --toolbar-height: 40px;
    --panel-height: 280px;
    /* Match navigation heights from navigation.css */
    --nav-height: 72px; /* Desktop: matches --header-height-desktop */
    --nav-height-mobile: 64px; /* Mobile: matches --header-height-mobile */
}

/* ============================================
   IDE Page Body Override
   ============================================ */
body.ide-layout {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    overflow-y: auto;
    background: var(--oc-bg-dark);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* ============================================
   IDE Container - Full Viewport
   ============================================ */
.ide-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding-top: var(--nav-height);
}

.ide-workspace {
    display: flex;
    flex-direction: column;
    height: calc(100vh - var(--nav-height));
    min-height: 500px;
    background: var(--oc-bg-dark);
}

/* ============================================
   IDE Toolbar
   ============================================ */
.ide-toolbar {
    height: var(--toolbar-height);
    min-height: var(--toolbar-height);
    background: var(--oc-bg-darker);
    border-bottom: 1px solid var(--oc-border);
    display: flex;
    align-items: center;
    padding: 0 8px;
    gap: 8px;
}

.ide-toolbar select {
    background: var(--oc-bg-sidebar);
    color: var(--oc-text);
    border: 1px solid var(--oc-border);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 13px;
    cursor: pointer;
}

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

.ide-toolbar-btn {
    background: transparent;
    color: var(--oc-text);
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 13px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: background 0.15s;
}

.ide-toolbar-btn:hover {
    background: var(--oc-bg-sidebar);
}

.ide-toolbar-btn.run-btn {
    background: var(--oc-primary);
    color: white;
    font-weight: 600;
}

.ide-toolbar-btn.run-btn:hover {
    background: var(--oc-primary-hover);
}

.ide-toolbar-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.toolbar-divider {
    width: 1px;
    height: 20px;
    background: var(--oc-border);
    margin: 0 4px;
}

.toolbar-spacer {
    flex: 1;
}

.toolbar-input {
    background: var(--oc-bg-sidebar);
    color: var(--oc-text);
    border: 1px solid var(--oc-border);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    width: 150px;
}

.toolbar-input::placeholder {
    color: #666;
}

/* ============================================
   Editor Section
   ============================================ */
.ide-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.ide-editor-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.ide-editor-tabs {
    height: 35px;
    background: var(--oc-bg-darker);
    display: flex;
    align-items: flex-end;
    padding-left: 8px;
    border-bottom: 1px solid var(--oc-border);
}

.ide-tab {
    background: var(--oc-bg-darker);
    color: var(--oc-text);
    padding: 6px 12px;
    font-size: 13px;
    border: 1px solid var(--oc-border);
    border-bottom: none;
    border-radius: 4px 4px 0 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    position: relative;
    margin-right: 2px;
}

.ide-tab:hover {
    background: var(--oc-bg-sidebar);
}

.ide-tab.active {
    background: var(--oc-bg-dark);
    color: var(--oc-text-bright);
    border-bottom: 1px solid var(--oc-bg-dark);
    margin-bottom: -1px;
}

.ide-tab .tab-name {
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ide-tab .tab-close {
    opacity: 0;
    font-size: 10px;
    padding: 2px 4px;
    border-radius: 3px;
    margin-left: 4px;
    transition: opacity 0.15s;
}

.ide-tab:hover .tab-close,
.ide-tab.active .tab-close {
    opacity: 0.7;
}

.ide-tab .tab-close:hover {
    opacity: 1;
    background: var(--oc-error);
    color: white;
}

.ide-tab-add {
    background: transparent;
    border: 1px dashed var(--oc-border);
    color: var(--oc-text);
    padding: 6px 10px;
    font-size: 12px;
    border-radius: 4px 4px 0 0;
    cursor: pointer;
    margin-left: 4px;
}

.ide-tab-add:hover {
    background: var(--oc-bg-sidebar);
    border-style: solid;
    color: var(--oc-text-bright);
}

.tab-rename-input {
    background: var(--oc-bg-dark);
    color: var(--oc-text-bright);
    border: 1px solid var(--oc-primary);
    padding: 2px 6px;
    font-size: 12px;
    width: 100px;
    border-radius: 2px;
}

.tab-rename-input:focus {
    outline: none;
}

.ide-editor-container {
    flex: 1;
    overflow: hidden;
}

#codeEditor {
    width: 100%;
    height: 100%;
}

/* ============================================
   Bottom Panel (Output/Input/Problems)
   ============================================ */
.ide-panel {
    height: var(--panel-height);
    min-height: 100px;
    background: var(--oc-bg-dark);
    border-top: 1px solid var(--oc-border);
    display: flex;
    flex-direction: column;
}

.ide-panel-header {
    height: 35px;
    min-height: 35px;
    background: var(--oc-bg-darker);
    display: flex;
    align-items: center;
    padding: 0 8px;
    border-bottom: 1px solid var(--oc-border);
}

.ide-panel-tabs {
    display: flex;
    gap: 0;
}

.ide-panel-tab {
    background: transparent;
    color: var(--oc-text);
    border: none;
    padding: 8px 16px;
    font-size: 12px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid transparent;
    transition: all 0.15s;
}

.ide-panel-tab:hover {
    color: var(--oc-text-bright);
}

.ide-panel-tab.active {
    color: var(--oc-text-bright);
    border-bottom-color: var(--oc-primary);
}

.ide-panel-tab .badge {
    background: var(--oc-error);
    color: white;
    font-size: 10px;
    padding: 1px 5px;
    border-radius: 8px;
    margin-left: 6px;
}

.ide-panel-actions {
    margin-left: auto;
    display: flex;
    gap: 4px;
}

.ide-panel-btn {
    background: transparent;
    color: var(--oc-text);
    border: none;
    padding: 4px 8px;
    cursor: pointer;
    font-size: 12px;
}

.ide-panel-btn:hover {
    color: var(--oc-text-bright);
}

.ide-panel-content {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.ide-panel-pane {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: auto;
    display: none;
}

.ide-panel-pane.active {
    display: block;
}

/* Output Styling */
.output-content {
    padding: 8px 12px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.5;
    color: var(--oc-text);
    white-space: pre-wrap;
    word-break: break-word;
}

.output-content.stdout {
    color: var(--oc-success);
}

.output-content.stderr {
    color: var(--oc-error);
}

.output-content.system {
    color: var(--oc-text);
    font-style: italic;
}

/* Input Textarea */
.input-textarea {
    width: 100%;
    height: 100%;
    background: var(--oc-bg-dark);
    color: var(--oc-text);
    border: none;
    padding: 8px 12px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 13px;
    resize: none;
}

.input-textarea:focus {
    outline: none;
}

/* ============================================
   Status Bar
   ============================================ */
.ide-statusbar {
    height: 22px;
    background: var(--oc-primary);
    display: flex;
    align-items: center;
    padding: 0 10px;
    font-size: 12px;
    color: white;
}

.status-item {
    padding: 0 10px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.status-item.clickable {
    cursor: pointer;
}

.status-item.clickable:hover {
    background: rgba(255, 255, 255, 0.1);
}

.status-spacer {
    flex: 1;
}

/* ============================================
   Resize Handle
   ============================================ */
.resize-handle {
    height: 4px;
    background: var(--oc-border);
    cursor: ns-resize;
    transition: background 0.15s;
}

.resize-handle:hover {
    background: var(--oc-primary);
}

/* ============================================
   Panel Scrollbar Styling
   ============================================ */
.ide-panel-pane::-webkit-scrollbar {
    width: 8px;
}

.ide-panel-pane::-webkit-scrollbar-track {
    background: var(--oc-bg-dark);
}

.ide-panel-pane::-webkit-scrollbar-thumb {
    background: var(--oc-bg-sidebar);
    border-radius: 4px;
}

.ide-panel-pane::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* ============================================
   SEO Content Section (Below IDE)
   Light Theme for Content
   ============================================ */
.ide-seo-content {
    background: var(--bg-primary, #ffffff);
    color: var(--text-primary, #0f172a);
}

/* Description + Ad Row */
.ide-description-section {
    background: var(--bg-secondary, #f8fafc);
    border-bottom: 1px solid var(--border, #e2e8f0);
    padding: 2rem 1.5rem;
}

.ide-description-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.ide-description-content {
    flex: 1;
}

.ide-description-content h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0 0 0.75rem 0;
    color: var(--text-primary, #0f172a);
    letter-spacing: -0.02em;
}

.ide-description-content p {
    font-size: 1rem;
    color: var(--text-secondary, #475569);
    line-height: 1.6;
    margin: 0;
}

.ide-description-ad {
    flex-shrink: 0;
}

/* Info Section */
.ide-info-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.ide-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.ide-info-card {
    background: var(--bg-secondary, #f8fafc);
    border: 1px solid var(--border, #e2e8f0);
    border-radius: 0.75rem;
    padding: 1.5rem;
}

.ide-info-card h2 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--oc-primary);
    margin: 0 0 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.ide-info-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary, #475569);
    line-height: 1.6;
    margin: 0 0 0.5rem 0;
}

.ide-info-card ul {
    margin: 0;
    padding-left: 1.25rem;
    color: var(--text-secondary, #475569);
}

.ide-info-card li {
    margin-bottom: 0.375rem;
    font-size: 0.9375rem;
}

.ide-info-card a {
    color: var(--oc-primary);
    text-decoration: none;
}

.ide-info-card a:hover {
    text-decoration: underline;
}

/* Full Width Cards */
.ide-info-card.full-width {
    grid-column: 1 / -1;
}

/* Highlight Card */
.ide-info-card.highlight {
    background: linear-gradient(135deg, #e8f4fd 0%, #f0f7ff 100%);
    border-color: rgba(0, 122, 204, 0.2);
}

[data-theme="dark"] .ide-info-card.highlight {
    background: linear-gradient(135deg, rgba(0, 122, 204, 0.15) 0%, rgba(0, 122, 204, 0.08) 100%);
}

/* Ad Container */
.ide-ad-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem;
    text-align: center;
}

/* How to Use Steps */
.ide-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.ide-step {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.ide-step-number {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    background: var(--oc-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
}

.ide-step-content strong {
    display: block;
    color: var(--text-primary, #0f172a);
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.ide-step-content p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-secondary, #64748b);
    line-height: 1.5;
}

/* Embed Features */
.ide-embed-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.ide-embed-feature {
    text-align: center;
    padding: 1rem;
    background: var(--bg-primary, #ffffff);
    border-radius: 0.5rem;
    border: 1px solid var(--border, #e2e8f0);
}

.ide-embed-feature i {
    font-size: 1.5rem;
    color: var(--oc-primary);
    margin-bottom: 0.5rem;
}

.ide-embed-feature strong {
    display: block;
    color: var(--text-primary, #0f172a);
    margin-bottom: 0.25rem;
    font-size: 0.9375rem;
}

.ide-embed-feature p {
    margin: 0;
    font-size: 0.8125rem;
    color: var(--text-secondary, #64748b);
}

/* Code Example */
.ide-code-example {
    background: #1e1e1e;
    color: #d4d4d4;
    padding: 1rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
    margin: 1rem 0;
}

/* Related Links */
.ide-related-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.ide-related-links a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-primary, #ffffff);
    color: var(--text-primary, #0f172a);
    border: 1px solid var(--border, #e2e8f0);
    border-radius: 2rem;
    font-size: 0.875rem;
    text-decoration: none;
    transition: all 0.2s;
}

.ide-related-links a:hover {
    border-color: var(--oc-primary);
    color: var(--oc-primary);
}

/* Breadcrumb in SEO Section */
.ide-breadcrumb {
    font-size: 0.875rem;
    color: var(--text-secondary, #475569);
    margin-bottom: 1.5rem;
}

.ide-breadcrumb a {
    color: var(--oc-primary);
    text-decoration: none;
}

.ide-breadcrumb a:hover {
    text-decoration: underline;
}

/* ============================================
   Modals (Share, Embed)
   ============================================ */
.embed-modal-overlay,
.share-modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.embed-modal-overlay.show,
.share-modal-overlay.show {
    display: flex;
}

.embed-modal,
.share-modal {
    background: var(--oc-bg-darker);
    border: 1px solid var(--oc-border);
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.embed-modal-header,
.share-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--oc-border);
    background: var(--oc-bg-sidebar);
}

.embed-modal-header h3,
.share-modal-header h3 {
    margin: 0;
    font-size: 16px;
    color: var(--oc-text-bright);
    display: flex;
    align-items: center;
    gap: 8px;
}

.embed-modal-close,
.share-modal-close {
    background: transparent;
    border: none;
    color: var(--oc-text);
    font-size: 20px;
    cursor: pointer;
    padding: 4px 8px;
    line-height: 1;
}

.embed-modal-close:hover,
.share-modal-close:hover {
    color: var(--oc-text-bright);
}

.embed-modal-body,
.share-modal-body {
    padding: 20px;
    overflow-y: auto;
}

/* ============================================
   Mobile Responsive
   ============================================ */
@media (max-width: 991px) {
    .ide-description-ad {
        display: none;
    }

    .ide-description-inner {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 991px) {
    :root {
        --nav-height: var(--nav-height-mobile, 64px);
    }

    .ide-container {
        padding-top: var(--nav-height-mobile, 64px);
    }

    .ide-workspace {
        height: calc(100vh - var(--nav-height-mobile, 64px));
    }
}

@media (max-width: 768px) {
    .ide-container {
        padding-top: var(--nav-height-mobile, 64px);
    }

    .ide-workspace {
        height: calc(100vh - var(--nav-height-mobile, 64px));
    }

    .ide-toolbar {
        flex-wrap: wrap;
        height: auto;
        padding: 6px;
        gap: 6px;
    }

    .toolbar-divider {
        display: none;
    }

    .toolbar-input {
        width: 100%;
        order: 10;
    }

    .ide-toolbar select {
        flex: 1;
        min-width: 100px;
    }

    .ide-toolbar-btn {
        padding: 6px 10px;
        font-size: 12px;
    }

    .ide-toolbar-btn span {
        display: none;
    }

    .ide-panel {
        height: 280px;
    }

    .ide-tab {
        padding: 6px 12px;
        font-size: 12px;
    }

    .ide-panel-tab {
        padding: 6px 10px;
        font-size: 11px;
    }

    .ide-statusbar {
        font-size: 11px;
    }

    .status-item {
        padding: 0 6px;
    }

    /* SEO Content Section */
    .ide-description-section {
        padding: 1.5rem 1rem;
    }

    .ide-description-content h1 {
        font-size: 1.375rem;
    }

    .ide-info-section {
        padding: 1.5rem 1rem;
    }

    .ide-info-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .ide-toolbar-btn.run-btn span {
        display: inline;
    }

    .toolbar-spacer {
        display: none;
    }

    .ide-panel {
        height: 350px;
    }
}

/* ============================================
   Dark Mode Adjustments for SEO Content
   ============================================ */
[data-theme="dark"] .ide-seo-content {
    background: var(--bg-primary, #0f172a);
}

[data-theme="dark"] .ide-description-section {
    background: var(--bg-secondary, #1e293b);
    border-color: var(--border, #334155);
}

[data-theme="dark"] .ide-info-card {
    background: var(--bg-secondary, #1e293b);
    border-color: var(--border, #334155);
}

[data-theme="dark"] .ide-embed-feature {
    background: var(--bg-secondary, #1e293b);
    border-color: var(--border, #334155);
}

[data-theme="dark"] .ide-related-links a {
    background: var(--bg-secondary, #1e293b);
    border-color: var(--border, #334155);
}

/* ============================================
   Floating Sidebar Ad (Desktop >1400px)
   ============================================ */
.ide-floating-ad-container {
    display: none;
}

@media (min-width: 1400px) {
    .ide-floating-ad-container {
        display: block;
        position: fixed;
        top: calc(var(--nav-height) + 20px);
        right: 20px;
        z-index: 100;
        width: 336px;
    }

    .ide-floating-ad-container .ad-container {
        background: transparent;
    }

    /* Ensure IDE content doesn't get hidden behind floating ad */
    .ide-workspace {
        margin-right: 0; /* Let the ad float over if needed */
    }
}

@media (min-width: 1600px) {
    .ide-floating-ad-container {
        right: calc((100vw - 1400px) / 2 - 360px);
    }
}

/* ============================================
   Transition Ad (Between IDE and SEO Content)
   ============================================ */
.ide-transition-ad {
    background: linear-gradient(180deg, var(--oc-bg-dark) 0%, var(--bg-secondary, #f8fafc) 100%);
    padding: 2rem 1.5rem;
    text-align: center;
    border-bottom: 1px solid var(--border, #e2e8f0);
}

.ide-transition-ad .ad-container {
    max-width: 970px;
    margin: 0 auto;
}

[data-theme="dark"] .ide-transition-ad {
    background: linear-gradient(180deg, var(--oc-bg-dark) 0%, var(--bg-secondary, #1e293b) 100%);
    border-color: var(--border, #334155);
}

/* ============================================
   Bottom Ad (Before Support Section)
   ============================================ */
.ide-bottom-ad {
    background: var(--bg-secondary, #f8fafc);
    padding: 1.5rem;
    text-align: center;
    border-top: 1px solid var(--border, #e2e8f0);
}

.ide-bottom-ad .ad-container {
    max-width: 970px;
    margin: 0 auto;
}

[data-theme="dark"] .ide-bottom-ad {
    background: var(--bg-secondary, #1e293b);
    border-color: var(--border, #334155);
}