:root {
  /* Dark Mode (Default) Colors */
  --bg-color: #0f172a;
  --card-bg: #1e293b;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --accent-color: #38bdf8;
  --border-color: #334155;
  --hover-bg-color: #334155;
}
body.light-mode {
  /* Light Mode Colors */
  --bg-color: #f1f5f9;
  --card-bg: #ffffff;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --accent-color: #0ea5e9;
  --border-color: #e2e8f0;
  --hover-bg-color: #f8fafc;
}

/* --- Global Styles & Resets --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  font-size: 16px;
}
body {
  font-family: "Kanit", sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  padding: 2rem;
  transition: background-color 0.3s ease, color 0.3s ease;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Theme Toggle Button --- */
#theme-toggle {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  width: 45px;
  height: 45px;
  background-color: var(--card-bg);
  color: var(--accent-color);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  transition: all 0.3s ease;
}
#theme-toggle:hover {
  transform: scale(1.1) rotate(15deg);
}

/* --- Container & Header --- */
.container {
  max-width: 1400px;
  margin: 0 auto;
}
.main-header {
  text-align: center;
  margin-bottom: 2rem;
  margin-top: 0.5rem;
}
.main-header h1 {
  font-size: 2.8rem;
  font-weight: 600;
  color: var(--accent-color);
  margin-bottom: 0.5rem;
}
.main-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-weight: 300;
}

/* --- Table Styles --- */
.table-container {
  background-color: var(--card-bg);
  border-radius: 12px;
  padding: 1rem;
  border: 1px solid var(--border-color);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}
.governance-table {
  width: 100%;
  border-collapse: collapse;
}
.governance-table th,
.governance-table td {
  padding: 1rem;
  text-align: left;
  transition: color 0.3s ease;
}
.governance-table thead th {
  color: var(--text-secondary);
  font-weight: 400;
  font-size: 1rem;
  text-transform: uppercase;
  border-bottom: 2px solid var(--border-color);
}
.governance-table tbody tr {
  border-bottom: 1px solid var(--border-color);
  transition: background-color 0.3s ease, transform 0.3s ease;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeIn 0.5s ease-out forwards;
  animation-delay: var(--delay);
}
@keyframes fadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.governance-table tbody tr:last-child {
  border-bottom: none;
}
.governance-table tbody tr:hover {
  background-color: var(--hover-bg-color);
  transform: scale(1.01);
  z-index: 10;
  position: relative;
}
.governance-table td[data-label="หัวข้อ"] {
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--text-primary);
}
.governance-table td {
  color: var(--text-secondary);
}
.icon-left {
  color: var(--accent-color);
  margin-right: 0.75rem;
  width: 20px;
  text-align: center;
}
.tag {
  padding: 0.25rem 0.6rem;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
}
.tag-order {
  background-color: rgba(56, 189, 248, 0.1);
  color: #38bdf8;
}
.tag-policy {
  background-color: rgba(74, 222, 128, 0.1);
  color: #4ade80;
}
.action-link {
  color: var(--accent-color);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease;
}
.action-link:hover {
  color: var(--text-primary);
}

/*
==============================================
  Responsive Adjustments
==============================================
*/

/* --- สำหรับจอแท็บเล็ตและจอที่เล็กลงมา (ต่ำกว่า 1024px) --- */
@media (max-width: 1024px) {
  html {
    font-size: 15px;
  }
  .main-header h1 {
    font-size: 2.5rem;
  }
}

/* --- สำหรับจอแท็บเล็ตแนวตั้งและมือถือจอใหญ่ (ต่ำกว่า 800px) --- */
@media (max-width: 800px) {
  body {
    padding: 1.5rem;
  }
  .main-header {
    margin-top: 4rem;
  }
  .governance-table thead {
    display: none;
  }
  .governance-table tr {
    display: block;
    margin-bottom: 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    overflow: hidden;
  }
  .governance-table tbody tr:hover {
    transform: scale(1.03);
  }

  .governance-table td {
    display: flex;
    align-items: center;
    text-align: right;
    padding: 0.75rem 1rem;
    border-bottom: 1px dashed var(--border-color);
  }

  .governance-table td::before {
    content: attr(data-label);
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    margin-right: auto;
    padding-right: 1rem;
  }

  .governance-table td:last-child {
    border-bottom: none;
  }
  .governance-table td[data-label="รายละเอียด"] {
    padding: 0.5rem 1rem;
  }
  .governance-table td[data-label="รายละเอียด"]::before {
    display: none;
  }
  .governance-table td[data-label="รายละเอียด"] .action-link {
    display: block;
    width: 100%;
    text-align: center;
    padding: 0.5rem;
    background-color: var(--hover-bg-color);
    border-radius: 6px;
  }
}

/* --- สำหรับจอมือถือขนาดเล็ก (ต่ำกว่า 480px) --- */
@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  body {
    padding: 1rem;
  }
  .main-header h1 {
    font-size: 2rem;
  }
  .main-header p {
    font-size: 1rem;
  }
  #theme-toggle {
    top: 1rem;
    right: 1rem;
  }
}