/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Thai:wght@300;400;500;600;700&display=swap');

/* --- CSS Variables for a Consistent Design System --- */
:root {
  --primary-color: #00bf63;
  --secondary-color: #ffbd59;
  --text-color: #343a40;
  --light-gray: #f8f9fa;
  --border-color: #e9ecef;
  --border-radius: 16px;
  --card-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
  --card-hover-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* --- Global Styles & Resets --- */
* {
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  font-family: 'Noto Sans Thai', sans-serif;
  background-color: var(--light-gray);
  color: var(--text-color);
  line-height: 1.6;
}

.main-container {
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* --- Header Section --- */
.hero-header {
  background: white;
  padding: 3rem 1rem;
  margin-bottom: 2rem;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}

.logo-wrapper {
  margin-bottom: 1.5rem;
}

.logo-img {
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.logo-img:hover {
  transform: scale(1.1) rotate(5deg);
}

.hero-title {
  font-weight: 700;
  font-size: 2.5rem;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.75rem;
}

.hero-subtitle {
  color: #6c757d;
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto;
}

/* --- Card Base Style --- */
.announcement-card, .search-card, .results-card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease-in-out;
  margin-bottom: 2rem;
}

.announcement-card:hover, .search-card:hover, .results-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--card-hover-shadow);
}

/* --- Card Header Base Style --- */
.announcement-header, .search-header, .results-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  font-weight: 600;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  color: var(--text-color);
}

.search-title, .results-title {
  font-size: 1.2rem;
  margin: 0;
}

/* --- Announcement Section --- */
.announcement-content {
  padding: 1.5rem;
  display: grid;
  gap: 1rem;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background-color: var(--light-gray);
  padding: 1rem;
  border-radius: 12px;
  border-left: 4px solid;
}

.info-item strong {
  display: block;
  font-weight: 600;
  color: var(--text-color);
}

.info-item span {
  font-size: 0.95rem;
  color: #6c757d;
}

.info-item a {
  color: var(--primary-color);
  font-weight: 600;
  text-decoration: none;
}
.info-item a:hover {
  text-decoration: underline;
}

.info-item i { font-size: 1.5rem; }
.info-item .icon-green { color: var(--primary-color); }
.info-item.icon-green { border-color: var(--primary-color); }
.info-item .icon-yellow { color: var(--secondary-color); }
.info-item.icon-yellow { border-color: var(--secondary-color); }
.info-item .icon-blue { color: #0d6efd; }
.info-item.icon-blue { border-color: #0d6efd; }
.info-item .icon-red { color: #dc3545; }
.info-item.icon-red { border-color: #dc3545; }


/* --- Search Section --- */
.search-body {
  padding: 2rem;
}

.form-label {
  font-weight: 500;
  color: var(--text-color);
  margin-bottom: 0.5rem;
}

.form-control, .form-select {
  border-radius: 12px;
  border: 1px solid #ced4da;
  padding: 0.75rem 1rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.25rem rgba(0, 191, 99, 0.2);
}

.btn-search {
  background: var(--primary-color);
  border: none;
  border-radius: 12px;
  padding: 0.8rem 2.5rem;
  font-weight: 600;
  color: white;
  transition: all 0.3s ease;
}

.btn-search:hover {
  background: #00a656;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 191, 99, 0.3);
  color: white;
}

/* --- Results Section --- */
.results-body {
  padding: 0.5rem;
}

.table-responsive {
  border: none;
}

.results-table {
  border-collapse: separate;
  border-spacing: 0 8px;
  width: 100%;
}

.results-table thead th {
  border: none;
  padding: 1rem 1.5rem;
  color: #6c757d;
  font-weight: 600;
  text-align: left;
}

.results-table tbody tr {
  background: white;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
  border-radius: 12px;
  transition: all 0.2s ease;
}
.results-table tbody tr:hover {
  transform: scale(1.01);
  box-shadow: 0 6px 20px rgba(0,0,0,0.08);
  z-index: 10;
  position: relative;
}

.results-table tbody td {
  padding: 1.25rem 1.5rem;
  border: none;
  vertical-align: middle;
}
.results-table tbody td:first-child { border-radius: 12px 0 0 12px; }
.results-table tbody td:last-child { border-radius: 0 12px 12px 0; }

.student-name { font-weight: 600; color: var(--text-color); }

.award-badge {
  background-color: #fff8e1;
  color: #e6a74d;
  border-radius: 20px;
  padding: 0.4rem 1rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-download {
  background-color: #e6f8f0;
  color: var(--primary-color);
  border: 1px solid #a3e9c9;
  border-radius: 10px;
  padding: 0.6rem 1.2rem;
  transition: all 0.3s ease;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
}

.btn-download:hover {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

/* --- Footer Section --- */
.footer-section {
  background-color: #ffffff;
  padding: 1.5rem 0;
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  font-size: 0.9rem;
}

.footer-logo-img {
  border-radius: 8px;
}

.developer-name {
  font-weight: 600;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Responsive Design --- */
@media (max-width: 768px) {
  :root { --border-radius: 12px; }
  .hero-title { font-size: 2rem; }
  .hero-subtitle { font-size: 1rem; }
  .announcement-content { grid-template-columns: 1fr; }
  
  /* Mobile Table Styles */
  #mobileResults .card {
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
  }
  #mobileResults .card-header {
    background-color: var(--light-gray);
    font-weight: 600;
  }
  #mobileResults .list-group-item {
    display: flex;
    justify-content: space-between;
  }
  #mobileResults .list-group-item strong {
    color: #6c757d;
  }
}

/* --- DataTables & SweetAlert2 Overrides --- */
.dataTables_wrapper .dataTables_paginate .paginate_button {
  border-radius: 8px !important;
  margin: 0 3px !important;
  padding: 0.5rem 0.9rem !important;
  border: 1px solid #dee2e6 !important;
}
.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
  background: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
  color: white !important;
}
.swal2-popup {
  border-radius: var(--border-radius) !important;
}
.swal2-confirm {
  border-radius: 10px !important;
  background-color: var(--primary-color) !important;
  transition: all 0.2s ease;
}
.swal2-confirm:hover {
  transform: scale(1.05);
}