* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

:root {
  --background-gradient-light: linear-gradient(135deg, #d89999 0%, #de1e1e 100%);
  --form-bg-light: white;
  --text-color-light: #333;
  --text-muted-light: #555;
  --border-color-light: #ddd;
  --primary-color: #cc0000;
  --primary-hover: #990000;
  --form-shadow-light: 0 10px 25px rgba(0, 0, 0, 0.08);
  --declaration-bg-light: #f8f9fa;
  --table-bg-light: white;
  --table-stripe-light: #f8f9fa;
  --table-border-light: #dee2e6;

  /* Dark mode variables */
  --background-gradient-dark: linear-gradient(135deg, #2d1a1a 0%, #4a0f0f 100%);
  --form-bg-dark: #222;
  --text-color-dark: #e0e0e0;
  --text-muted-dark: #aaa;
  --border-color-dark: #444;
  --form-shadow-dark: 0 10px 25px rgba(0, 0, 0, 0.2);
  --declaration-bg-dark: #333;
  --table-bg-dark: #2a2a2a;
  --table-stripe-dark: #333;
  --table-border-dark: #444;
}

body {
  background: var(--background-gradient-light);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  color: var(--text-color-light);
  transition: background 0.3s ease;
}

body[data-theme="dark"] {
  background: var(--background-gradient-dark);
  color: var(--text-color-dark);
}

.hostel-application-form {
  max-width: 850px;
  width: 100%;
  background: var(--form-bg-light);
  border-radius: 16px;
  padding: 40px;
  box-shadow: var(--form-shadow-light);
  position: relative;
  overflow: hidden;
  border-top: 5px solid var(--primary-color);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

body[data-theme="dark"] .hostel-application-form {
  background: var(--form-bg-dark);
  box-shadow: var(--form-shadow-dark);
}

.hostel-application-form::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-hover));
}

h2 {
  color: var(--primary-color);
  margin-bottom: 25px;
  font-size: 28px;
  font-weight: 600;
  text-align: center;
  position: relative;
}

h2::after {
  content: "";
  display: block;
  width: 80px;
  height: 4px;
  background: var(--primary-color);
  margin: 10px auto;
  border-radius: 2px;
}

h3 {
  color: var(--text-color-light);
  margin: 25px 0 15px;
  font-size: 20px;
  font-weight: 500;
  border-bottom: 1px solid var(--border-color-light);
  padding-bottom: 8px;
  transition: color 0.3s ease, border-color 0.3s ease;
}

body[data-theme="dark"] h3 {
  color: var(--text-color-dark);
  border-bottom-color: var(--border-color-dark);
}

.form-group {
  margin-bottom: 20px;
}

label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-muted-light);
  font-size: 14px;
  transition: color 0.3s ease;
}

body[data-theme="dark"] label {
  color: var(--text-muted-dark);
}

input[type="text"],
input[type="date"],
input[type="file"] {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--border-color-light);
  border-radius: 8px;
  font-size: 14px;
  transition: all 0.3s ease;
  background-color: var(--form-bg-light);
  color: var(--text-color-light);
}

body[data-theme="dark"] input[type="text"],
body[data-theme="dark"] input[type="date"],
body[data-theme="dark"] input[type="file"] {
  border-color: var(--border-color-dark);
  background-color: var(--form-bg-dark);
  color: var(--text-color-dark);
}

input[type="text"]:focus,
input[type="date"]:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(204, 0, 0, 0.1);
  outline: none;
}

.submit-btn {
  background: linear-gradient(90deg, var(--primary-color), var(--primary-hover));
  color: white;
  padding: 10px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  width: 40%;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.submit-btn:hover {
  background: linear-gradient(90deg, var(--primary-hover), #660000);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(204, 0, 0, 0.2);
}

.alert {
  padding: 15px;
  margin-bottom: 25px;
  border-radius: 8px;
  font-size: 14px;
}

.success-alert {
  background-color: #e6fffa;
  color: #38b2ac;
  border-left: 4px solid #38b2ac;
}

body[data-theme="dark"] .success-alert {
  background-color: rgba(56, 178, 172, 0.1);
  color: #4fd1c5;
}

.error-alert {
  background-color: #fff5f5;
  color: var(--primary-color);
  border-left: 4px solid var(--primary-color);
}

body[data-theme="dark"] .error-alert {
  background-color: rgba(204, 0, 0, 0.1);
  color: #ff6b6b;
}

.info-button-container {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 1;
}

.info-button {
  width: 24px;
  height: 24px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 14px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
}

.info-button:hover {
  background: var(--primary-hover);
  transform: scale(1.1);
}

.info-tooltip {
  position: absolute;
  top: 30px;
  right: 0;
  width: 300px;
  background: var(--form-bg-light);
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-muted-light);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 10;
  border-left: 3px solid var(--primary-color);
}

body[data-theme="dark"] .info-tooltip {
  background: var(--form-bg-dark);
  color: var(--text-muted-dark);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.info-button-container:hover .info-tooltip {
  opacity: 1;
  visibility: visible;
}

.note {
  font-size: 13px;
  color: var(--text-muted-light);
  margin: 15px 0;
  line-height: 1.6;
  transition: color 0.3s ease;
}

body[data-theme="dark"] .note {
  color: var(--text-muted-dark);
}

.declaration {
  background: var(--declaration-bg-light);
  padding: 15px;
  border-radius: 8px;
  margin: 20px 0;
  border-left: 3px solid var(--primary-color);
  transition: background 0.3s ease;
}

body[data-theme="dark"] .declaration {
  background: var(--declaration-bg-dark);
}

.declaration p {
  color: var(--text-muted-light);
  font-size: 14px;
  line-height: 1.6;
  transition: color 0.3s ease;
}

body[data-theme="dark"] .declaration p {
  color: var(--text-muted-dark);
}

.declaration input {
  border: none;
  border-bottom: 1px solid var(--primary-color);
  border-radius: 0;
  padding: 5px 0;
  width: 200px;
  background: transparent;
  color: var(--text-color-light);
  transition: color 0.3s ease, border-color 0.3s ease;
}

body[data-theme="dark"] .declaration input {
  color: var(--text-color-dark);
}

/* Custom modal styling */
.modal-header {
  background-color: var(--primary-color);
  color: white;
  border-bottom: none;
}

.modal-title i {
  margin-right: 10px;
}

.btn-close {
  filter: invert(1);
}

.modal-content {
  border-radius: 10px;
  border: none;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  background-color: var(--form-bg-light);
  color: var(--text-color-light);
  transition: background-color 0.3s ease, color 0.3s ease;
}

body[data-theme="dark"] .modal-content {
  background-color: var(--form-bg-dark);
  color: var(--text-color-dark);
}

.alert-info {
  background-color: var(--declaration-bg-light);
  border-left: 4px solid var(--primary-color);
  color: var(--text-color-light);
  transition: background-color 0.3s ease, color 0.3s ease;
}

body[data-theme="dark"] .alert-info {
  background-color: var(--declaration-bg-dark);
  color: var(--text-color-dark);
}

.alert-warning {
  background-color: #fff3cd;
  border-left: 4px solid #ffc107;
  transition: background-color 0.3s ease;
}

body[data-theme="dark"] .alert-warning {
  background-color: rgba(255, 193, 7, 0.1);
  color: #ffe69c;
}

/* Enhanced Dark mode for table */
.table {
  color: var(--text-color-light);
  background-color: var(--table-bg-light);
  transition: color 0.3s ease, background-color 0.3s ease;
  border-color: var(--table-border-light);
}

body[data-theme="dark"] .table {
  color: var(--text-color-dark);
  background-color: var(--table-bg-dark);
  border-color: var(--table-border-dark);
}

/* Table header styling */
.table thead th {
  background-color: var(--declaration-bg-light);
  color: var(--text-color-light);
  border-bottom: 2px solid var(--table-border-light);
  border-top: none;
  font-weight: 600;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

body[data-theme="dark"] .table thead th {
  background-color: var(--declaration-bg-dark);
  color: var(--text-color-dark);
  border-bottom-color: var(--table-border-dark);
}

/* Table body styling */
.table tbody td {
  background-color: var(--table-bg-light);
  color: var(--text-color-light);
  border-top: 1px solid var(--table-border-light);
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

body[data-theme="dark"] .table tbody td {
  background-color: var(--table-bg-dark);
  color: var(--text-color-dark);
  border-top-color: var(--table-border-dark);
}

/* Striped table rows */
.table-striped > tbody > tr:nth-of-type(odd) > td {
  background-color: var(--table-stripe-light);
  transition: background-color 0.3s ease;
}

body[data-theme="dark"] .table-striped > tbody > tr:nth-of-type(odd) > td {
  background-color: var(--table-stripe-dark);
}

/* Table hover effect */
.table-hover > tbody > tr:hover > td {
  background-color: rgba(204, 0, 0, 0.05);
  transition: background-color 0.2s ease;
}

body[data-theme="dark"] .table-hover > tbody > tr:hover > td {
  background-color: rgba(204, 0, 0, 0.1);
}

/* Code styling in table */
code {
  background-color: rgba(204, 0, 0, 0.1);
  color: var(--primary-color);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: "Courier New", monospace;
  font-weight: 600;
  transition: background-color 0.3s ease, color 0.3s ease;
}

body[data-theme="dark"] code {
  background-color: rgba(204, 0, 0, 0.2);
  color: #ff6b6b;
}

/* Modal footer styling */
.modal-footer {
  background-color: var(--declaration-bg-light);
  border-top: 1px solid var(--table-border-light);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

body[data-theme="dark"] .modal-footer {
  background-color: var(--declaration-bg-dark);
  border-top-color: var(--table-border-dark);
}

/* Button styling in modal */
.btn-secondary {
  background-color: #6c757d;
  border-color: #6c757d;
  color: white;
  transition: all 0.3s ease;
}

body[data-theme="dark"] .btn-secondary {
  background-color: #495057;
  border-color: #495057;
}

.btn-secondary:hover {
  background-color: #5a6268;
  border-color: #545b62;
}

body[data-theme="dark"] .btn-secondary:hover {
  background-color: #3d4043;
  border-color: #3d4043;
}

@media (max-width: 768px) {
  .hostel-application-form {
    padding: 30px 20px;
  }

  h2 {
    font-size: 24px;
  }

  .info-tooltip {
    width: 250px;
    right: -20px;
  }

  /* Responsive table */
  .table-responsive {
    border: 1px solid var(--table-border-light);
    border-radius: 8px;
    transition: border-color 0.3s ease;
  }

  body[data-theme="dark"] .table-responsive {
    border-color: var(--table-border-dark);
  }
}