/* === Base === */
body {
  background-color: #0d0d0d;
  color: #f0f0f0;
  font-family: 'Inter', sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

header, footer {
  text-align: center;
  padding: 1.5rem;
}

header img {
  display: block;
  margin: 0 auto 1rem;
}

header h1 {
  color: #9fef00;
  font-size: 2rem;
}

a {
  color: #9fef00;
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: #9fef00;
  text-decoration: underline;
}

nav {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  background-color: #111;
  padding: 1rem;
  border-bottom: 1px solid #222;
}

nav a {
  color: #e8e8e8;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: all 0.3s;
}

nav a:hover {
  background: rgba(159, 239, 0, 0.1);
  color: #9fef00;
  text-decoration: none;
}

.container {
  max-width: 900px;
  margin: 2rem auto;
  padding: 1rem;
}

h2 {
  color: #9fef00;
  font-size: 1.8rem;
  margin-bottom: 2rem;
  text-align: center;
}

/* === Event Cards === */
.year-section {
  margin-bottom: 3rem;
}

.year-header {
  font-size: 1.5rem;
  color: #9fef00;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid rgba(159, 239, 0, 0.3);
}

.event-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(159, 239, 0, 0.2);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1rem;
  transition: all 0.3s;
}

.event-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: #9fef00;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(159, 239, 0, 0.2);
}

.event-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.event-number {
  background: #9fef00;
  color: #0d0d0d;
  font-weight: bold;
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
}

.event-date {
  color: #9fef00;
  font-weight: 500;
}

.event-title {
  flex: 1;
  font-size: 1.1rem;
  font-weight: 500;
}

.event-details {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.sponsor {
  color: #b8b8b8;
}

.sponsor a {
  color: #9fef00;
  text-decoration: none;
  transition: color 0.3s;
}

.sponsor a:hover {
  color: #c8ff3d;
  text-decoration: none;
}

.machine-link {
  color: #9fef00;
  text-decoration: none;
  padding: 0.3rem 0.8rem;
  border: 1px solid rgba(159, 239, 0, 0.3);
  border-radius: 4px;
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.machine-link:hover {
  background: rgba(159, 239, 0, 0.1);
  border-color: #9fef00;
  text-decoration: none;
}

.icon-links {
  display: flex;
  gap: 1rem;
  margin-left: auto;
}

.icon-link {
  text-decoration: none;
  font-size: 1.3rem;
  transition: transform 0.2s;
  display: inline-block;
}

.icon-link:hover {
  transform: scale(1.2);
  text-decoration: none;
}

.topics {
  margin-top: 0.8rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.topic-tag {
  background: rgba(159, 239, 0, 0.1);
  color: #9fef00;
  padding: 0.2rem 0.6rem;
  border-radius: 3px;
  font-size: 0.85rem;
  border: 1px solid rgba(159, 239, 0, 0.2);
}

/* === Tables === */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
  border: 1px solid #222;
  background-color: #141414;
  border-radius: 8px;
  overflow: hidden;
}

th, td {
  padding: 0.9rem 1rem;
  text-align: left;
}

th {
  background-color: #1c1c1c;
  color: #9fef00;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.85rem;
  border-bottom: 1px solid #222;
}

tr:nth-child(even) {
  background-color: #101010;
}

tr:hover {
  background-color: #1b1b1b;
}

td {
  border-bottom: 1px solid #222;
}

/* === Responsive Tables === */
@media (max-width: 600px) {
  table, thead, tbody, th, td, tr {
    display: block;
  }

  thead {
    display: none;
  }

  tr {
    margin-bottom: 1rem;
    border: 1px solid #222;
    border-radius: 8px;
    padding: 0.5rem;
  }

  td {
    padding: 0.5rem;
    text-align: right;
    position: relative;
  }

  td::before {
    content: attr(data-label);
    position: absolute;
    left: 1rem;
    color: #32ff84;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
  }
}

/* === Responsive Event Cards === */
@media (max-width: 768px) {
  .event-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .icon-links {
    margin-left: 0;
  }
}

/* === Footer === */
footer {
  font-size: 0.9rem;
  color: #888;
  border-top: 1px solid #222;
  margin-top: 2rem;
  padding: 1rem;
}

/* === Utility classes === */
.text-center {
  text-align: center;
}

.mt-2 {
  margin-top: 2rem;
}