/* ============================================
   MARKDOWN PREVIEW - TOOL-SPECIFIC STYLES
   Common styles loaded from /shared/styles/common.css
   ============================================ */

/* ============================================
   CONTAINER FLUID
   ============================================ */

.container-fluid {
    max-width: 100%;
    padding: 0 var(--space-4);
}

/* ============================================
   TOOLBAR
   ============================================ */

.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
    gap: var(--space-2);
}

.toolbar-group {
    display: flex;
    gap: var(--space-1);
}

.toolbar-btn {
    padding: var(--space-2) var(--space-3);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.toolbar-btn:hover {
    background: var(--border-color);
    transform: translateY(-1px);
}

/* ============================================
   EDITOR GRID
   ============================================ */

.editor-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

@media (max-width: 1024px) {
    .editor-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   EDITOR PANEL
   ============================================ */

.editor-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 600px;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) var(--space-4);
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
}

.panel-header h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.word-count {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.view-toggle {
    display: flex;
    gap: var(--space-1);
}

.view-btn {
    padding: var(--space-1) var(--space-3);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.view-btn.active {
    background: var(--color-primary-500);
    color: white;
    border-color: var(--color-primary-500);
}

/* ============================================
   MARKDOWN EDITOR
   ============================================ */

.markdown-editor {
    flex: 1;
    padding: var(--space-4);
    background: var(--bg-card);
    border: none;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-primary);
    line-height: 1.6;
    resize: none;
    outline: none;
}

.markdown-editor::placeholder {
    color: var(--text-secondary);
    opacity: 0.5;
}

/* ============================================
   PREVIEW CONTENT
   ============================================ */

.preview-content {
    flex: 1;
    padding: var(--space-4);
    overflow-y: auto;
    background: var(--bg-primary);
}

.html-content {
    flex: 1;
    padding: var(--space-4);
    background: var(--bg-card);
    border: none;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-primary);
    line-height: 1.5;
    resize: none;
    outline: none;
}

/* ============================================
   GITHUB MARKDOWN STYLES
   ============================================ */

.markdown-body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    word-wrap: break-word;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
    margin-top: 24px;
    margin-bottom: 16px;
    font-weight: 600;
    line-height: 1.25;
    color: var(--text-primary);
}

.markdown-body h1 {
    font-size: 2em;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.3em;
}

.markdown-body h2 {
    font-size: 1.5em;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.3em;
}

.markdown-body h3 { font-size: 1.25em; }
.markdown-body h4 { font-size: 1em; }
.markdown-body h5 { font-size: 0.875em; }
.markdown-body h6 { font-size: 0.85em; color: var(--text-secondary); }

.markdown-body p {
    margin-top: 0;
    margin-bottom: 16px;
}

.markdown-body a {
    color: var(--color-primary-500);
    text-decoration: none;
}

.markdown-body a:hover {
    text-decoration: underline;
}

.markdown-body strong {
    font-weight: 600;
}

.markdown-body em {
    font-style: italic;
}

.markdown-body code {
    padding: 0.2em 0.4em;
    margin: 0;
    font-size: 85%;
    background: var(--bg-card);
    border-radius: 3px;
    font-family: var(--font-mono);
}

.markdown-body pre {
    padding: 16px;
    overflow: auto;
    font-size: 85%;
    line-height: 1.45;
    background: var(--bg-card);
    border-radius: 6px;
    margin-bottom: 16px;
}

.markdown-body pre code {
    display: inline;
    padding: 0;
    margin: 0;
    overflow: visible;
    line-height: inherit;
    background: transparent;
    border: 0;
}

.markdown-body blockquote {
    padding: 0 1em;
    color: var(--text-secondary);
    border-left: 0.25em solid var(--border-color);
    margin: 0 0 16px 0;
}

.markdown-body ul,
.markdown-body ol {
    padding-left: 2em;
    margin-bottom: 16px;
}

.markdown-body li {
    margin-bottom: 0.25em;
}

.markdown-body table {
    border-spacing: 0;
    border-collapse: collapse;
    margin-bottom: 16px;
    width: 100%;
}

.markdown-body table th,
.markdown-body table td {
    padding: 6px 13px;
    border: 1px solid var(--border-color);
}

.markdown-body table th {
    font-weight: 600;
    background: var(--bg-card);
}

.markdown-body img {
    max-width: 100%;
    height: auto;
}

.markdown-body hr {
    height: 0.25em;
    padding: 0;
    margin: 24px 0;
    background-color: var(--border-color);
    border: 0;
}

/* ============================================
   QUICK REFERENCE
   ============================================ */

.quick-reference {
    margin-top: var(--space-6);
}

.reference-toggle {
    width: 100%;
    padding: var(--space-3);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-base);
}

.reference-toggle:hover {
    background: var(--border-color);
}

.reference-content {
    margin-top: var(--space-3);
    padding: var(--space-4);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.reference-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
}

.reference-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.reference-item strong {
    color: var(--text-primary);
    font-size: 0.875rem;
}

.reference-item code {
    padding: var(--space-2);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    white-space: pre;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .toolbar-group {
        justify-content: center;
    }
    
    .editor-panel {
        height: 400px;
    }
    
    .reference-grid {
        grid-template-columns: 1fr;
    }
}