/* General Styling & Theme Variables */
:root {
    --primary-color: #3498db; --secondary-color: #2ecc71; --background-color: #ffffff;
    --text-color: #333333; --header-bg: #f8f9fa; --footer-bg: #343a40; --footer-text: #f1f1f1;
    --card-bg: #f8f9fa; --card-hover-bg: #ffffff; --border-color: #dddddd; --link-color: #3498db;
    --link-hover-color: #2980b9; --code-bg: #e9e9e9; --input-bg: #ffffff;
}
[data-theme="dark"] {
    --background-color: #1a1a1a; --text-color: #e0e0e0; --header-bg: #212121;
    --footer-bg: #111111; --footer-text: #cccccc; --card-bg: #2a2a2a;
    --card-hover-bg: #313131; --border-color: #444444; --code-bg: #3a3a3a; --input-bg: #333333;
}
*, *::before, *::after { box-sizing: border-box; }
body { font-family: 'Roboto', -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif; background-color: var(--background-color); color: var(--text-color); margin: 0; line-height: 1.6; transition: background-color 0.3s, color 0.3s; }
.container { max-width: 1200px; margin: 0 auto; padding: 1.5rem; }
h1, h2, h3, h4 { line-height: 1.2; margin: 1.5em 0 0.5em; }
h1:first-child, h2:first-child { margin-top: 0; }
a { color: var(--link-color); text-decoration: none; }
a:hover { color: var(--link-hover-color); }
code { background-color: var(--code-bg); padding: .2em .4em; font-size: 85%; border-radius: 6px; }
pre { background-color: var(--code-bg); padding: 1em; border-radius: 8px; overflow-x: auto; }
pre > code { padding: 0; background: none; }

/* Layout & Components */
.tool-wrapper { border: 1px solid var(--border-color); border-radius: 8px; padding: 1.5rem; margin-bottom: 2rem; background: var(--card-bg); }
header { background-color: var(--header-bg); padding: 1rem 1.5rem; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; position: sticky; top: 0; z-index: 100; }
header .logo { font-size: 1.8rem; font-weight: bold; color: var(--primary-color); text-decoration: none; }
.theme-switcher { cursor: pointer; font-size: 1.5rem; user-select: none; }
footer { background-color: var(--footer-bg); color: var(--footer-text); padding: 40px 20px; margin-top: 40px; }
.footer-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 30px; }
.footer-column h4 { color: var(--primary-color); margin-bottom: 15px; }
.footer-column ul { list-style: none; padding: 0; margin: 0; }
.footer-column li { margin-bottom: 8px; }
.footer-column li a { color: var(--footer-text); transition: color 0.2s; }
.footer-column li a:hover { color: var(--secondary-color); }
#search-bar { width: 100%; padding: 12px; font-size: 1rem; border-radius: 5px; border: 1px solid var(--border-color); margin-bottom: 2rem; background-color: var(--input-bg); color: var(--text-color);}
.tool-card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-top: 2rem; }
.tool-card { display: block; background-color: var(--card-bg); border: 1px solid var(--border-color); border-radius: 8px; padding: 20px; text-decoration: none; color: var(--text-color); transition: transform 0.2s, box-shadow 0.2s; }
.tool-card:hover { transform: translateY(-5px); box-shadow: 0 4px 15px rgba(0,0,0,0.1); background-color: var(--card-hover-bg); }
.tool-card h3 { color: var(--primary-color); margin-top: 0; }
.tool-card p { opacity: 0.8; }

/* Tool-Specific Styling */
.font-card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1rem; }
.font-card { display: flex; flex-direction: column; justify-content: space-between; align-items: center; padding: 1rem; border: 1px solid var(--border-color); border-radius: 8px; text-decoration: none; color: var(--text-color); background-color: var(--card-bg); transition: all 0.2s ease; font-size: 1.5rem; text-align: center; min-height: 100px; }
.font-card:hover { transform: translateY(-3px); box-shadow: 0 2px 8px rgba(0,0,0,0.08); background-color: var(--card-hover-bg); }
.font-card-name { font-size: 0.8rem; opacity: 0.7; margin-top: 0.5rem; }
.controls { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; margin-bottom: 1rem; padding: 1rem 0; }
label { font-weight: 500; }
select, input, textarea, button { font-family: inherit; font-size: 1rem; padding: 10px; border-radius: 4px; border: 1px solid var(--border-color); background-color: var(--input-bg); color: var(--text-color); }
button { cursor: pointer; background-color: var(--primary-color); color: white; border: none; transition: background-color 0.2s; }
button:hover { background-color: var(--link-hover-color); }
textarea { width: 100%; min-height: 150px; resize: vertical; }
.specimen-link { margin: 0 10px; font-size: 0.9em; display: inline-flex; align-items: center; gap: 5px; }
.specimen-link::after { content: '🔗'; }
.comparison-container { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.glyph-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(50px, 1fr)); gap: 0.5rem; font-size: 2rem; text-align: center; }
.glyph-item { padding: 0.5rem; background: var(--card-bg); border-radius: 4px; }
.info-section { margin-top: 3rem; border-top: 1px solid var(--border-color); padding-top: 2rem; }
.how-to-use-list { list-style: decimal; padding-left: 20px; }
.faq-item summary { font-weight: bold; cursor: pointer; padding: 0.5em 0; }
.faq-item[open] summary { color: var(--primary-color); }
.faq-item p { margin-top: 0.5em; padding-left: 1.2em; }