@font-face {
  font-family: "Gotham";
  src: url("/font/Gotham-Medium.ttf") format("woff2"),
    url("/font/Gotham-Medium.ttf") format("woff"),
    url("/font/Gotham-Medium.ttf") format("truetype");
  font-weight: 500;
  font-style: normal;
}

:root {
  --primary-color: #f4b942;
  --primary-light: #ffefc4;
  --primary-dark: #d99b00;
  --white: #ffffff;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-800: #343a40;
}

body {
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--gray-100);
}

.container {
  max-width: 1200px;
  margin: 20px auto;
  margin-bottom: 80px;
}

header {
  text-align: center;
  margin-bottom: 30px;
}

.calendar-container {
  overflow-x: auto;
  background-color: var(--white);
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

th {
  background-color: var(--primary-color);
  color: var(--gray-800);
  font-weight: 600;
  text-align: left;
  padding: 15px;
  position: sticky;
  top: 0;
}

tr:nth-child(even) {
  background-color: var(--gray-200);
}

tr:hover {
  background-color: var(--primary-light);
}

td {
  padding: 12px 15px;
  border-bottom: 1px solid #ddd;
  vertical-align: top;
}

.event-no {
  font-weight: bold;
  text-align: center;
  color: var(--primary-dark);
  width: 50px;
}

.event-date {
  font-weight: 600;
  width: 100px;
}

.event-details {
  line-height: 1.5;
}

.meet-link {
  display: inline-block;
  margin-top: 8px;
  color: var(--primary-dark);
  text-decoration: none;
  font-weight: 500;
}

.meet-link:hover {
  text-decoration: underline;
}

.location {
  margin-top: 5px;
  font-style: italic;
  color: #666;
}

.filter-container {
  margin-bottom: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-btn {
  background-color: var(--white);
  border: 2px solid var(--primary-color);
  border-radius: 20px;
  color: var(--primary-dark);
  padding: 8px 15px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
}

.filter-btn:hover {
  background-color: var(--primary-light);
}

.filter-btn.active {
  background-color: var(--primary-color);
  color: var(--gray-800);
}

@media (max-width: 768px) {
  .event-no {
    width: 40px;
  }

  .event-date {
    width: 80px;
  }

  h1 {
    font-size: 1.8rem;
  }

  table {
    table-layout: auto;
  }
}

@media (max-width: 480px) {
  body {
    padding: 10px;
  }

  .card {
    padding: 10px;
    margin-bottom: 15px;
  }

  h1 {
    font-size: 1.5rem;
  }

  th,
  td {
    padding: 8px;
  }
}