/* ===== Global Styles ===== */
:root {
  --primary: #4a6fa5;
  --secondary: #166088;
  --accent: #4fc3f7;
  --dark: #0a2463;
  --light: #f8f9fa;
  --text: #333;
  --success: #4CAF50;
  --warning: #FFC107;
  --danger: #F44336;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--light);
  margin: 0;
  padding: 0;
}

.status-message {
  margin: 1rem 0;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.status-message.visible {
  opacity: 1;
}

.alert {
  padding: 1rem;
  border-radius: 4px;
  display: flex;
  align-items: center;
}

.alert i {
  margin-right: 0.5rem;
}

.alert.success {
  background: #e8f5e9;
  color: #2e7d32;
  border-left: 4px solid #4caf50;
}

.alert.error {
  background: #ffebee;
  color: #c62828;
  border-left: 4px solid #f44336;
}

/* ===== Header & Navigation ===== */
header {
  background: linear-gradient(135deg, var(--dark), var(--primary));
  color: white;
  padding: 1.5rem 0;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

h1 {
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
  color: white;
}

nav {
  background-color: rgba(0,0,0,0.1);
  padding: 0.8rem 0;
}

nav a {
  color: white;
  text-decoration: none;
  margin: 0 1rem;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: all 0.3s ease;
}

nav a:hover {
  background-color: var(--accent);
  color: var(--dark);
}

/* ===== Main Content ===== */
main {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 2rem;
}

section {
  background-color: white;
  border-radius: 8px;
  box-shadow: 0 2px 15px rgba(0,0,0,0.05);
  padding: 1.5rem 2rem;
  margin-bottom: 2rem;
}

h2 {
  color: var(--primary);
  border-bottom: 2px solid var(--accent);
  padding-bottom: 0.5rem;
  margin-top: 0;
}

/* ===== Rules Specific Styles ===== */
.rules-category {
  position: relative;
  padding-left: 1.5rem;
}

.rules-category::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--accent);
  border-radius: 4px;
}

.rules-category ol, .rules-category ul {
  padding-left: 1.5rem;
}

.rules-category li {
  margin-bottom: 0.8rem;
  position: relative;
}

/* ===== Footer ===== */
footer {
  background-color: var(--dark);
  color: white;
  padding: 2rem 0;
  text-align: center;
  margin-top: 3rem;
}

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

footer a:hover {
  text-decoration: underline;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
  nav a {
    display: block;
    margin: 0.5rem 0;
  }
  
  .header-content, main, .footer-content {
    padding: 0 1rem;
  }
}