/* File: /assets/style.css (FINAL VERSION) */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Righteous&display=swap');

/* --- DARK MODE (DEFAULT) --- */
:root {
    --bg-color: #10121a;
    --panel-color: #191c29;
    --border-color: #2a2f42;
    --text-color: #e0e0e0;
    --text-color-light: #b0b8d9;
    --accent-color: #c778dd;
    --link-hover-color: #ffffff;
}

/* --- LIGHT MODE --- */
body.light-mode {
    --bg-color: #f7f8fc;
    --panel-color: #ffffff;
    --border-color: #e6e8f0;
    --text-color: #212529;
    --text-color-light: #6c757d;
    --accent-color: #4f46e5;
    --link-hover-color: #000000;
}

/* --- General Body Styling --- */
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.7;
    margin: 0;
    padding: 0;
    transition: background-color 0.3s, color 0.3s;
}

/* --- Main Content Container --- */
.content-wrapper { max-width: 800px; margin: 0 auto; padding: 1rem 2rem 4rem 2rem; }

/* --- Header and Navigation --- */
.page-header { display: flex; justify-content: space-between; align-items: center; padding: 1.5rem 0; border-bottom: 1px solid var(--border-color); margin-bottom: 2rem; }
.header-logo { font-family: 'Righteous', cursive; font-size: 1.8rem; color: var(--accent-color); text-decoration: none; }
.page-nav { display: flex; align-items: center; gap: 1.5rem; }
.page-nav a { color: var(--text-color-light); text-decoration: none; font-weight: 500; transition: color 0.2s; }
.page-nav a:hover { color: var(--link-hover-color); }

/* Theme Toggle Button in Header */
#theme-toggle-btn { background: none; border: none; cursor: pointer; color: var(--text-color-light); padding: 5px; display: flex; align-items: center; justify-content: center; }
#theme-toggle-btn:hover { color: var(--link-hover-color); }
#theme-toggle-btn svg { width: 22px; height: 22px; }
.theme-icon { display: none; } /* Hide both icons by default */

/* --- Article & Text Styling --- */
article h1 { font-size: 2.5rem; color: var(--accent-color); margin-bottom: 0.5rem; line-height: 1.2; }
article .meta { color: var(--text-color-light); margin-bottom: 2rem; font-size: 0.9rem; }
article h2 { font-size: 1.8rem; border-bottom: 2px solid var(--border-color); padding-bottom: 0.5rem; margin-top: 2.5rem; }
article p, article li { font-size: 1.1rem; color: var(--text-color-light); }
article ul { list-style-type: disc; padding-left: 25px; }
article a { color: var(--accent-color); text-decoration: none; font-weight: bold; transition: color 0.2s; }
article a:hover { color: var(--link-hover-color); text-decoration: underline; }

/* --- Code Block Styling --- */
article code { background-color: var(--panel-color); padding: 3px 6px; border-radius: 4px; font-family: 'Courier New', Courier, monospace; font-size: 0.95em; }
pre { background-color: var(--panel-color); border: 1px solid var(--border-color); padding: 1rem; border-radius: 8px; overflow-x: auto; font-size: 0.9rem; }
pre code { padding: 0; background: none; font-size: 1em; }

/* --- Footer --- */
.page-footer { text-align: center; margin-top: 4rem; padding-top: 2rem; border-top: 1px solid var(--border-color); color: var(--text-color-light); font-size: 0.9rem; }
.page-footer a { color: var(--text-color-light); text-decoration: none; }
.page-footer a:hover { color: var(--accent-color); }

/* --- Blog Index Page Specific Styles --- */
.article-list { list-style: none; padding: 0; }
.article-list li { margin-bottom: 1.5rem; }
.article-list a { font-size: 1.5rem; color: var(--accent-color); text-decoration: none; font-weight: bold; }
.article-list a:hover { text-decoration: underline; color: var(--link-hover-color); }
.article-list p { font-size: 1rem; margin: 0.25rem 0 0; color: var(--text-color-light); }
.article-list .date { font-size: 0.85rem; color: var(--text-color-light); opacity: 0.7; }