/* ===========================
   PAGE TITLE SECTION
   =========================== */
#page-title-section {
  background-color: white;
  padding: 4em 1.5em 2.5em;
  text-align: center;
}

.page-title-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  flex-wrap: wrap;
  text-align: left;
}

.page-title-content h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5em;
  color: #1a1a1a;
}

.page-title-content p {
  font-size: 1.1rem;
  color: #333;
  max-width: 700px;
  margin: 0 auto;
}

.intro-text-content > p:nth-child(2) {
    margin: 0;
}

/* ===========================
   MANUALS SECTION
   =========================== */
#manuals-section {
  padding: 2em 1.5em;
  background-color: #ffffff;
}

/* ===========================
   DROPDOWN STRUCTURE
   =========================== */
.dropdown {
  border: 1px solid #ddd;
  border-radius: 8px;
  margin-bottom: 1em;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
  width: 80%;
    margin-left: auto;
  margin-right: auto;
}

.dropdown-header {
  background-color: #e6f0ea;
  padding: 1em 1.2em;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.dropdown-header:hover {
  background-color: #d4e6db;
}

.dropdown-header p {
  margin: 0;
  font-weight: 600;
  font-size: 1.1rem;
  color: #1a3c2d;
}

.dropdown-arrow {
  transition: transform 0.3s ease;
}

.rotate {
  transform: rotate(180deg);
}

.active-header {
  background-color: #cce2d3;
}

/* ===========================
   DROPDOWN TABLE
   =========================== */
.dropdown-table {
  width: 100%;
  border-collapse: collapse;
  background-color: #fafafa;
}

.dropdown-table th,
.dropdown-table td {
  text-align: left;
  padding: 0.75em 1.2em;
  border-top: 1px solid #e0e0e0;
  font-size: 0.95rem;
}

.table-header th {
  background-color: #eef5f0;
  font-weight: 600;
}

.file-name-cell {
  color: #333;
}

.download-cell {
  text-align: right;
}

.download-btn {
  padding: 0.5em 1em;
  background-color: #1a3c2d;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  font-size: 0.9rem;
  transition: background-color 0.3s ease;
}

.download-btn:hover {
  background-color: #145c3d;
}

/* ===========================
   LOADING MESSAGES
   =========================== */
.loading-message,
.error-message {
  text-align: center;
  font-size: 1rem;
  color: #666;
  padding: 2em 1em;
}

.no-data-cell {
  padding: 1.5em;
  text-align: center;
  color: #888;
  font-style: italic;
}


/* ===========================
   RESPONSIVE DESIGN
   =========================== */
@media (max-width: 600px) {
    #page-title-section {
        padding-bottom: 0;
    }

    .intro-text-content {
        flex: 0;
        text-align: center;
    }
    .dropdown {
        width: 95%;
    }

  .dropdown-header {
    align-items: flex-start;
    gap: 0.5em;
  }

  .download-cell {
    text-align: left;
    padding-top: 0;
  }

  .download-btn {
    width: 100%;
    box-sizing: border-box;
  }
}
