/**
 * Prism.js Light Theme for Gnuboard
 * GitHub Light 기반 구문 강조 (폴백 값 포함)
 *
 * @version 20260203-003
 */

/* ========================================
   Base Code Styles
   ======================================== */

pre[class*="language-"],
code[class*="language-"] {
    font-family: var(--md-font-mono, 'JetBrains Mono', 'D2Coding', Consolas, Monaco, monospace);
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--md-code-text, #1f2937);
    background: none;
    text-align: left;
    white-space: pre;
    word-spacing: normal;
    word-break: normal;
    word-wrap: normal;
    tab-size: 4;
    -moz-tab-size: 4;
    -webkit-hyphens: none;
    -moz-hyphens: none;
    -ms-hyphens: none;
    hyphens: none;
}

/* ========================================
   Code Block Container
   ======================================== */

pre[class*="language-"] {
    position: relative;
    padding: 1rem;
    margin: 1rem 0;
    overflow: auto;
    background-color: var(--md-code-bg, #f6f8fa);
    border: 1px solid var(--md-code-border, #e5e7eb);
    border-radius: var(--gb-radius-lg, 0.5rem);
    max-height: 600px;
}

/* ========================================
   Inline Code
   ======================================== */

:not(pre) > code[class*="language-"],
:not(pre) > code {
    font-family: var(--md-font-mono, 'JetBrains Mono', 'D2Coding', Consolas, Monaco, monospace);
    font-size: 0.875em;
    padding: 0.2em 0.4em;
    background-color: var(--md-code-inline-bg, #eff1f3);
    color: var(--md-code-inline-text, #24292f);
    border-radius: 0.25rem;
    white-space: nowrap;
}

/* ========================================
   Language Label
   ======================================== */

pre[class*="language-"][data-language]::before {
    content: attr(data-language);
    position: absolute;
    top: 0;
    right: 0;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-family: var(--md-font-family, 'Noto Sans KR', sans-serif);
    color: var(--gb-gray-500, #6b7280);
    background-color: var(--gb-gray-100, #f3f4f6);
    border-radius: 0 var(--gb-radius-lg, 0.5rem) 0 var(--gb-radius, 0.375rem);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ========================================
   Syntax Highlighting - GitHub Light Theme
   ======================================== */

/* Comments */
.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
    color: var(--md-syntax-comment, #6a737d);
    font-style: italic;
}

/* Punctuation */
.token.punctuation {
    color: #24292f;
}

/* Namespace */
.token.namespace {
    opacity: 0.7;
}

/* Properties, Tags, Booleans, Numbers, Constants, Symbols */
.token.property,
.token.tag,
.token.boolean,
.token.number,
.token.constant,
.token.symbol,
.token.deleted {
    color: var(--md-syntax-number, #005cc5);
}

/* Selectors, Attribute Names, Strings, Chars, Builtins */
.token.selector,
.token.attr-name,
.token.string,
.token.char,
.token.builtin,
.token.inserted {
    color: var(--md-syntax-string, #032f62);
}

/* Operators, Entities, URLs */
.token.operator,
.token.entity,
.token.url,
.language-css .token.string,
.style .token.string {
    color: var(--md-syntax-variable, #e36209);
}

/* At-rules, Attribute Values, Keywords */
.token.atrule,
.token.attr-value,
.token.keyword {
    color: var(--md-syntax-keyword, #d73a49);
}

/* Functions, Class Names */
.token.function,
.token.class-name {
    color: var(--md-syntax-function, #6f42c1);
}

/* Regex, Important, Variables */
.token.regex,
.token.important,
.token.variable {
    color: var(--md-syntax-variable, #e36209);
}

/* Important, Bold */
.token.important,
.token.bold {
    font-weight: 600;
}

/* Italic */
.token.italic {
    font-style: italic;
}

/* Entity */
.token.entity {
    cursor: help;
}

/* ========================================
   Language-Specific Overrides
   ======================================== */

/* PHP */
.language-php .token.variable {
    color: var(--md-syntax-variable, #e36209);
}

.language-php .token.keyword {
    color: var(--md-syntax-keyword, #d73a49);
}

/* JavaScript/TypeScript */
.language-javascript .token.template-string .token.interpolation,
.language-typescript .token.template-string .token.interpolation {
    color: var(--md-syntax-variable, #e36209);
}

/* CSS */
.language-css .token.property {
    color: var(--md-syntax-keyword, #d73a49);
}

.language-css .token.selector {
    color: var(--md-syntax-function, #6f42c1);
}

/* JSON */
.language-json .token.property {
    color: var(--md-syntax-string, #032f62);
}

/* SQL */
.language-sql .token.keyword {
    color: var(--md-syntax-keyword, #d73a49);
    text-transform: uppercase;
}

/* Bash/Shell */
.language-bash .token.function {
    color: var(--md-syntax-keyword, #d73a49);
}

/* ========================================
   Scrollbar (Light Theme)
   ======================================== */

pre[class*="language-"]::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

pre[class*="language-"]::-webkit-scrollbar-track {
    background: var(--gb-gray-100, #f3f4f6);
    border-radius: 4px;
}

pre[class*="language-"]::-webkit-scrollbar-thumb {
    background: var(--gb-gray-300, #d1d5db);
    border-radius: 4px;
}

pre[class*="language-"]::-webkit-scrollbar-thumb:hover {
    background: var(--gb-gray-400, #9ca3af);
}

/* ========================================
   Line Numbers (Optional)
   ======================================== */

.line-numbers .line-numbers-rows {
    border-right: 1px solid var(--gb-gray-200, #e5e7eb);
}

.line-numbers-rows > span:before {
    color: var(--gb-gray-400, #9ca3af);
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 768px) {
    pre[class*="language-"] {
        font-size: 0.8125rem;
        padding: 0.75rem;
        border-radius: var(--gb-radius, 0.375rem);
        max-height: 400px;
    }

    pre[class*="language-"][data-language]::before {
        padding: 0.2rem 0.5rem;
        font-size: 0.625rem;
    }
}