body {
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  background-color: #f9f9f9;
  color: #333;
}

header {
  background-color: #003366;
  color: white;
  padding: 2rem 1rem;
  text-align: center;
  position: relative;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

.header-img {
  width: 160px;
  height: 80px;
  object-fit: contain;
  margin: 0 1rem;
}

.header-text {
  max-width: 70%;
}

.observatory {
  display: flex;
  align-items: flex-start;
  margin-bottom: 2rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.observatory-text {
  flex: 1;
  min-width: 250px;
}

.observatory-img {
  width: 400px;
  height: auto;
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  margin-top: 2rem;
}

header h1 {
  margin: 0;
  font-size: 2rem;
}

header p {
  font-size: 1.2rem;
  font-style: italic;
  color: #cdddf5;
  margin-top: 0.3rem;
}

main {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem;
}

section {
  margin-bottom: 2rem;
}

h2 {
  color: #003366;
  border-bottom: 2px solid #003366;
  padding-bottom: 0.3rem;
  margin: 0;
}

ul {
  list-style: disc inside;
  padding-left: 1rem;
}

footer {
  text-align: center;
  padding: 1rem;
  background-color: #eee;
  font-size: 0.9rem;
  color: #555;
}

.gallery-link {
  margin: 0 0 0 1rem;
  text-align: center;
}

.gallery-link a {
  color: #fff;
  background-color: #005588;
  padding: 0.5rem 1rem;
  border-radius: 5px;
  text-decoration: none;
  font-size: 1.1rem;
}

.gallery-link a:hover {
  background-color: #003366;
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.latest-images {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 15px;
  margin-bottom: 2rem;
}

.latest-image {
  position: relative;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.latest-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.latest-image .caption {
  position: absolute;
  bottom: 0;
  width: 100%;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 5px;
  text-align: center;
  font-size: 0.9rem;
}

.error-message {
  color: red;
  text-align: center;
  margin: 1rem 0;
}

@media (max-width: 600px) {
  .latest-image img {
    height: 150px;
  }
  .header-img {
    width: 120px;
    height: 60px;
  }
  .observatory-img {
    width: 100%;
    max-width: 300px;
  }
  .header-row {
    flex-direction: column;
    align-items: flex-start;
  }
  .gallery-link {
    margin: 0;
  }
}

table {
  border-collapse: collapse;
  width: 100%;
  max-width: 500px;
  margin: 20px auto;
}

th, td {
  border: 1px solid #ddd;
  padding: 8px;
  text-align: center;
}

th {
  background-color: #f2f2f2;
  font-weight: bold;
}

tr:nth-child(even) {
  background-color: #f9f9f9;
}

tr:hover {
  background-color: #f5f5f5;
}
/* ============== Archive Page Specific Styles ============== */

.back-link {
    margin: 1rem 0;
    text-align: center;
}

.back-link a {
    color: #fff;
    background-color: #005588;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    text-decoration: none;
    font-size: 1.1rem;
}

.back-link a:hover {
    background-color: #003366;
}

.container {
    max-width: 1200px;
    margin: 20px auto;
    padding: 0 20px;
    display: flex;
    flex-direction: row;
    width: 100%;
    height: calc(100vh - 200px);
}

.list-column {
    width: 60%;
    padding: 10px;
    overflow-y: auto;
}

.preview-column {
    width: 40%;
    padding: 10px;
}

.year { 
    font-weight: bold; 
    margin-top: 15px;
}

.month, .category, .date { 
    cursor: pointer; 
    font-weight: bold; 
    position: relative; 
    padding-left: 25px;
}

.month::before, .category::before, .date::before { 
    content: "▼"; 
    position: absolute; 
    left: 0; 
}

.files { 
    margin-left: 30px; 
    display: none; 
}

.preview {
    display: none;
    border: 1px solid #ccc;
    background: white;
    padding: 10px;
    position: sticky;
    top: 20px;
}

.preview img {
    max-width: 100%;
    max-height: 600px;
    display: block;
    margin: 0 auto;
}

.controls {
    margin: 15px 0;
    padding: 10px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 6px;
}

.location {
    font-weight: bold;
    margin-top: 10px;
}

/* Mobile */
@media (max-width: 900px) {
    .container {
        flex-direction: column;
        height: auto;
    }
    .list-column, .preview-column {
        width: 100%;
    }
    .preview {
        position: static;
        margin-top: 20px;
    }
}
/* Radio Astronomy Page */
.content-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px 40px 40px;   /* Increased left padding */
}

@media (max-width: 900px) {
    .content-wrapper {
        padding: 0 20px 30px 20px;
    }
}
/* Filaments Page */
.content-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px 40px 40px;
}

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

.container li {
    margin: 12px 0;
    font-size: 1.1rem;
}

.container li a {
    color: #003366;
    text-decoration: none;
}

.container li a:hover {
    text-decoration: underline;
}