/* Core Styling & Dark Theme Colors */
:root {
    --bg-dark: #121212;
    --bg-panel: #1e1e1e;
    --bg-card: #252526;
    --text-main: #e0e0e0;
    --text-muted: #aaaaaa;
    --accent-green: #4caf50;
    --accent-red: #f44336;
    --accent-orange: #ff9800;
    --accent-purple: #9c27b0;
    --border-color: #333333;
}

/* Base Setup */
html {
    scroll-behavior: smooth;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

/* Header Area */
header {
    background-color: var(--bg-panel);
    border-bottom: 3px solid #111;
    text-align: center;
    padding: 40px 0;
    margin-bottom: 30px;
}

header h1 {
    margin: 0 0 10px 0;
    font-size: 2.5rem;
    color: #fff;
    text-shadow: 2px 2px #000;
}

header p {
    color: var(--text-muted);
    margin: 0;
    font-size: 1.1rem;
}

/* Rules Quick Links Navigation Section */
.rules-nav {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 40px;
}

.rules-nav h2 {
    margin-top: 0;
    font-size: 1.4rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 8px;
}

.rules-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.rules-nav li {
    margin: 12px 0;
}

.rules-nav a {
    color: var(--accent-orange);
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    transition: color 0.2s ease;
}

.rules-nav a:hover {
    color: #fff;
    text-decoration: underline;
}

/* Individual Rule Card Containers */
.rule-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 25px;
    position: relative;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
}

.rule-card h3 {
    margin: 10px 0 5px 0;
    font-size: 1.5rem;
    color: #fff;
}

.rule-card p {
    color: var(--text-muted);
    font-style: italic;
    margin: 0 0 15px 0;
}

.rule-card ul {
    padding-left: 20px;
    margin: 0;
}

.rule-card li {
    margin-bottom: 8px;
}

/* Category Accent Badges */
.card-badge {
    position: absolute;
    top: 20px;
    right: 25px;
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: bold;
    padding: 4px 10px;
    border-radius: 4px;
    color: #fff;
}

.bg-green { background-color: var(--accent-green); }
.bg-red { background-color: var(--accent-red); }
.bg-orange { background-color: var(--accent-orange); }
.bg-purple { background-color: var(--accent-purple); }

/* Footer Styling */
footer {
    text-align: center;
    padding: 40px 0;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
    margin-top: 50px;
}

a {
    color: inherit;
    text-decoration: inherit;
}

a:hover {
    text-decoration: underline;
}