/* ==========================================================================
   Code Blocks - Syntax Highlighting & Copy Button Styles
   ========================================================================== */

/* Inline code */
:not(pre) > code {
    padding: 0.15em 0.4em;
    background: var(--bg-code-inline);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.85em;
    color: var(--accent-orange);
    word-break: break-word;
}

/* Code block wrapper */
.code-block-wrapper {
    position: relative;
    margin: var(--sp-6) 0;
    border-radius: var(--code-radius);
    overflow: hidden;
    border: 1px solid var(--border-default);
}

/* Code block header bar */
.code-block-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--sp-2) var(--sp-4);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-default);
}

.code-block-header .code-lang {
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Copy button */
.copy-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-1);
    padding: var(--sp-1) var(--sp-3);
    background: transparent;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.copy-btn.copied {
    color: var(--accent-green);
    border-color: var(--accent-green);
}

.copy-btn::before {
    content: "";
    display: inline-block;
    width: 14px;
    height: 14px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236e7681' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='9' y='9' width='13' height='13' rx='2' ry='2'%3E%3C/rect%3E%3Cpath d='M5 15H4a2 2 0 01-2-2V4a2 2 0 012-2h9a2 2 0 012 2v1'%3E%3C/path%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}

.copy-btn.copied::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%233fb950' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
}

/* Pre and code blocks */
pre {
    margin: 0;
    padding: 0;
    background: transparent;
}

pre[class*="language-"],
.code-block-wrapper pre {
    margin: 0;
    padding: var(--code-padding);
    background: var(--bg-code);
    border-radius: 0;
    border: none;
    overflow-x: auto;
    line-height: var(--lh-code);
}

pre code,
pre[class*="language-"] code {
    font-family: var(--font-mono);
    font-size: var(--fs-sm);
    line-height: var(--lh-code);
    tab-size: 4;
    background: transparent;
    border: none;
    padding: 0;
    color: var(--text-primary);
    word-break: normal;
}

/* Standalone pre (not wrapped) */
.article-content > pre {
    margin: var(--sp-6) 0;
    padding: var(--code-padding);
    background: var(--bg-code);
    border: 1px solid var(--border-default);
    border-radius: var(--code-radius);
    overflow-x: auto;
}

/* Scrollbar styling for code blocks */
pre::-webkit-scrollbar {
    height: 6px;
}

pre::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

pre::-webkit-scrollbar-thumb {
    background: var(--border-default);
    border-radius: 3px;
}

pre::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Override Prism.js background */
code[class*="language-"],
pre[class*="language-"] {
    text-shadow: none;
}

/* Line highlighting */
.line-highlight {
    background: rgba(88, 166, 255, 0.08);
    border-left: 3px solid var(--accent-blue);
}

/* Terminal / shell output styling */
.code-block-wrapper[data-lang="bash"] .code-block-header,
.code-block-wrapper[data-lang="shell"] .code-block-header,
.code-block-wrapper[data-lang="terminal"] .code-block-header {
    background: var(--bg-primary);
}

.code-block-wrapper[data-lang="bash"] .code-block-header .code-lang::before,
.code-block-wrapper[data-lang="shell"] .code-block-header .code-lang::before {
    content: "$ ";
    color: var(--accent-green);
}

/* Error output in code blocks */
.code-error {
    color: var(--accent-red);
}

.code-success {
    color: var(--accent-green);
}

.code-warning {
    color: var(--accent-orange);
}

/* Diff styling */
.token.deleted,
.code-diff-removed {
    color: var(--accent-red);
    background: rgba(248, 81, 73, 0.1);
}

.token.inserted,
.code-diff-added {
    color: var(--accent-green);
    background: rgba(63, 185, 80, 0.1);
}