/* Global Styling - Dark Theme Layout */
:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-color: #e2e8f0;
    --text-muted: #94a3b8;
    --accent-color: #38bdf8;
    --accent-hover: #0ea5e9;
    --success-color: #4ade80;
    --border-color: #334155;
    --max-width: 1000px;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
header {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.logo {
    font-size: 1.4rem;
    font-weight: bold;
    color: #fff;
    text-decoration: none;
}

nav a {
    color: var(--text-muted);
    text-decoration: none;
    margin-left: 20px;
    font-weight: 500;
    transition: color 0.2s ease;
}

nav a:hover, nav a.active {
    color: var(--accent-color);
}

/* Main Layout Elements */
main {
    padding: 40px 20px;
}

.hero {
    text-align: center;
    margin-bottom: 50px;
}

.hero h1 {
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 15px;
}

.hero p {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto;
}

/* Cards & Categories Grid */
h2 {
    font-size: 1.8rem;
    color: #fff;
    margin-bottom: 25px;
    border-left: 4px solid var(--accent-color);
    padding-left: 12px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 50px;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 25px;
    position: relative;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-color);
}

.card-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 0.75rem;
    font-weight: bold;
    padding: 4px 8px;
    border-radius: 4px;
}

.card-badge.hot { background-color: #ef4444; color: #fff; }
.card-badge.updated { background-color: var(--success-color); color: #0f172a; }

.card h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
    color: #fff;
    padding-right: 70px;
}

.card p {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.btn {
    display: inline-block;
    background-color: var(--accent-color);
    color: #0f172a;
    text-decoration: none;
    font-weight: bold;
    padding: 10px 20px;
    border-radius: 6px;
    transition: background-color 0.2s ease;
}

.btn:hover {
    background-color: var(--accent-hover);
}

/* Data Tables */
.table-container {
    overflow-x: auto;
    margin-bottom: 35px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    background-color: var(--card-bg);
}

th, td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: #1e293b;
    color: #fff;
    font-weight: 600;
}

.code-text {
    font-family: monospace;
    font-size: 1.1rem;
    background-color: #0f172a;
    padding: 4px 8px;
    border-radius: 4px;
    color: #f43f5e;
    border: 1px solid var(--border-color);
    font-weight: bold;
}

.status.active-status {
    color: var(--success-color);
    font-weight: 500;
}

/* Guides & Lists */
.breadcrumb {
    list-style: none;
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.breadcrumb a {
    color: var(--accent-color);
    text-decoration: none;
}

.breadcrumb li+li::before {
    content: "/";
    margin-right: 8px;
    color: var(--border-color);
}

.meta {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 25px;
}

.highlight {
    color: var(--success-color);
    font-weight: bold;
}

.steps-list {
    margin-left: 20px;
    margin-bottom: 30px;
}

.steps-list li {
    margin-bottom: 12px;
    color: var(--text-color);
}

/* FAQ Layout */
.faq-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 20px;
    margin-bottom: 15px;
}

.faq-item h3 {
    font-size: 1.15rem;
    color: #fff;
    margin-bottom: 8px;
}

.faq-item p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Features Block */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.feature-item {
    padding: 15px;
}

.feature-item h4 {
    color: #fff;
    margin-bottom: 6px;
    font-size: 1.1rem;
}

.feature-item p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Footer Section */
footer {
    background-color: #0b0f19;
    border-top: 1px solid var(--border-color);
    padding: 30px 0;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 60px;
}

/* Responsive adjustments */
@media (max-width: 600px) {
    .header-container {
        flex-direction: column;
        text-align: center;
    }
    nav a {
        margin: 0 10px;
    }
    .hero h1 {
        font-size: 1.8rem;
    }
}