/* Reset */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', sans-serif;
}

body {
  background-color: #f0f3ff;
  color: #333;
}

/* Top Address Bar */
.top-bar {
  background-color: #3b4e9c;
  color: white;
  text-align: right;
  padding: 5px 20px;
  font-size: 14px;
  font-family: 'Segoe UI', sans-serif;
}

/* Main Header */
.main-header {
  background: rgba(0, 0, 0, 0.5); /* Slight dark overlay */
  background-size: cover;
  background-position: center;
  padding: 10px 20px;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.logo {
  height: 60px;
}

.nav-links {
  display: flex;
  gap: 20px;
}

.nav-links a {
  color: white;
  text-decoration: none;
  font-size: 16px;
  font-weight: bold;
  font-family: 'Segoe UI', sans-serif;
}

.nav-links a:hover {
  text-decoration: underline;
}

/* Container */
.container {
  max-width: 800px;
  margin: 40px auto;
  background: #ffffff;
  padding: 30px 40px;
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(59, 78, 156, 0.15);
  border-top: 6px solid #3b4e9c;
}

/* Form Base */
form {
  width: 100%;
}

form label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: #3b4e9c;
}

form input[type='text'],
form input[type='email'],
form input[type='password'],
form input[type='date'],
form input[type='number'],
form input[type='tel'],
form input[type='file'],
form select {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid #ccd2e3;
  border-radius: 6px;
  font-size: 15px;
  margin-bottom: 15px;
  transition: border-color 0.3s, box-shadow 0.3s;
}

form input:focus,
form select:focus {
  border-color: #3b4e9c;
  box-shadow: 0 0 5px rgba(59, 78, 156, 0.2);
  outline: none;
}

/* Grouped Controls */
.form-control {
  margin-bottom: 20px;
}

.form-group {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.form-group .form-control {
  flex: 1;
  min-width: 220px;
}

.cursor-pointer:hover {
  cursor: pointer;
}

/* Error Box */
#error {
  color: #d9534f;
  font-weight: bold;
  margin-bottom: 15px;
}

/* Submit Button */
button[type='submit'] {
  background-color: #3b4e9c;
  color: #fff;
  padding: 12px 25px;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  font-weight: bold;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button[type='submit']:hover {
  background-color: #2e3e7b;
}

/* File Input Custom Styling (Optional) */
input[type='file'] {
  background-color: #f8f9fc;
  padding: 8px;
  cursor: pointer;
}

/* Responsive Design */
@media (max-width: 600px) {
  .form-group {
    flex-direction: column;
  }
}

.footer {
  background-color: #3b4e9c;
  color: white;
  padding: 40px 20px 20px;
  font-family: 'Segoe UI', sans-serif;
}

.footer-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-col {
  flex: 1 1 300px;
}

.footer-logo {
  width: 160px;
  margin-bottom: 10px;
}

.footer-col p {
  font-size: 14px;
  line-height: 1.6;
}

.footer-col h4 {
  margin-bottom: 15px;
  font-size: 18px;
  font-weight: bold;
}

.footer-col ul {
  list-style: none;
  padding: 0;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: white;
  text-decoration: none;
  font-size: 14px;
}

.footer-col ul li a:hover {
  text-decoration: underline;
}

.footer-socials {
  margin-top: 15px;
}

.footer-socials a {
  color: white;
  margin-right: 12px;
  font-size: 16px;
  text-decoration: none;
}

.footer-socials a:hover {
  color: #dcdcdc;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 13px;
}

.footer-col i {
  margin-right: 8px;
}

.alert-icon {
  margin: 20px 0;
  font-size: 50px;
  background: #58d369;
  color: white;
  padding: 20px;
  border-radius: 50%;
}

.dashboard-container {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f5f7fa;
  padding: 20px;
}

.dashboard-heading {
  text-align: center;
  margin-bottom: 20px;
}

.dashboard-table-wrapper {
  width: 100%;
  overflow-x: auto;
}

.dashboard-table {
  width: 100%;
  border-collapse: collapse;
  background-color: #ffffff;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
  text-wrap: nowrap;
}

.dashboard-table-header {
  background-color: #4a90e2;
  color: #ffffff;
}

.dashboard-table-header th {
  padding: 12px 15px;
  text-align: left;
}

.dashboard-table-row td {
  padding: 12px 15px;
  border-bottom: 1px solid #ddd;
}

.dashboard-table-row:hover {
  background-color: #f1f1f1;
}

.dashboard-action-buttons {
  display: flex;
  gap: 8px;
}

.btn-edit {
  background-color: #ffa500;
  color: white;
  border: none;
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
  text-decoration: none;
}

.btn-delete {
  background-color: #e74c3c;
  color: white;
  border: none;
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
}

.btn-edit:hover,
.btn-delete:hover {
  opacity: 0.9;
}

.dashboard-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 20px;
  gap: 10px;
  flex-wrap: wrap;
}

.pagination-button {
  border: none;
  padding: 8px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
  background-color: #4a90e2;
  color: white;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: background-color 0.3s;
}

.pagination-button:hover {
  background-color: #357ac8;
}

.pagination-number {
  background-color: #e0e7ff;
  color: #333;
  padding: 8px 12px;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s;
}

.pagination-number:hover {
  background-color: #c7d2fe;
}

.pagination-number.active {
  background-color: #4a90e2;
  color: white;
  font-weight: bold;
}

@media screen and (max-width: 768px) {
  .dashboard-table,
  .dashboard-table thead,
  .dashboard-table tbody,
  .dashboard-table th,
  .dashboard-table td,
  .dashboard-table tr {
    display: block;
  }

  .dashboard-table-header {
    display: none;
  }

  .dashboard-table-row {
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 6px;
    padding: 10px;
    background-color: white;
  }

  .dashboard-table-row td {
    position: relative;
    padding-left: 50%;
    border: none;
    border-bottom: 1px solid #eee;
  }

  .dashboard-table-row td::before {
    content: attr(data-label);
    position: absolute;
    left: 15px;
    font-weight: bold;
    text-transform: capitalize;
  }

  .dashboard-action-buttons {
    flex-direction: column;
    gap: 4px;
  }

  .dashboard-pagination {
    flex-direction: column;
    gap: 8px;
  }
}

.student-detail-container {
  max-width: 800px;
  margin: 20px auto;
  background: #fff;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.08);
}

h2 {
  text-align: center;
  margin-bottom: 1.5rem;
}

.student-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.detail-item {
  background: #f9f9f9;
  padding: 1rem;
  border-radius: 8px;
  border-left: 4px solid #4a90e2;
}

.detail-item strong {
  display: block;
  font-size: 0.85rem;
  color: #666;
  margin-bottom: 4px;
}

.file-links {
  margin-top: 2rem;
}

.file-links a {
  display: block;
  margin-bottom: 0.5rem;
  color: #4a90e2;
  text-decoration: none;
}

.file-links a i {
  margin-right: 0.5rem;
}

@media (max-width: 600px) {
  .student-grid {
    grid-template-columns: 1fr;
  }
}