.form-text {
  color: var(--text-primary) !important;
}
footer, footer .text-muted, footer .text-secondary, footer .small, footer .text-body {
  color: #111 !important;
}
h1, h2, h3, h4, h5, h6, .card-title, .form-label, .gradient-text, .feature-icon, .alert, .table thead th, .table tbody td, .form-control, .form-select, .form-control::placeholder, .form-label {
  color: var(--text-primary) !important;
}

.text-muted, .text-secondary, .text-dark, .text-black, .text-body, .small, .opacity-75 {
  color: var(--text-secondary) !important;
}
/* CSS Variables: Theme Colors */
:root {
  --primary-color: #2c3e50;
  --secondary-color: #3498db;
  --accent-color: #e74c3c;
  --success-color: #27ae60;
  --warning-color: #f39c12;
  --info-color: #13d7f5;

  /* Dark Theme Defaults */
  --bg-color: #121212;
  --card-bg: #1e1e1e;
  --input-bg: #2d2d2d;
  --text-primary: #ffffff;
  --text-secondary: #cccccc;
  --border-color: #404040;
  --shadow-color: rgba(0, 0, 0, 0.3);
  --hover-bg: rgba(255, 255, 255, 0.1);
  --scrollbar-track: #444444;
}

/* Global Reset */
* {
  box-sizing: border-box;
  transition: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}
html, body {
    height: 100%;
}
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  background-color: var(--bg-color);
  color: var(--text-primary);
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
main.flex-fill {
    flex: 1 1 auto;
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  border-radius: 15px;
  margin-bottom: 2rem;
  padding: 3rem 2rem;
}

.hero-section h1 {
  font-weight: 700;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
  color: white; /* Explicit white for hero text */
}

.hero-section p {
  font-size: 1.1rem;
  opacity: 0.9;
  color: white; /* Explicit white for hero text */
}

/* Navbar */
.navbar {
  box-shadow: 0 2px 4px var(--shadow-color);
  background-color: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--secondary-color) !important;
  letter-spacing: 1px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.25);
}

.navbar-nav .nav-link {
  font-weight: 500;
  border-radius: 0.375rem;
  margin: 0 0.25rem;
  padding: 0.5rem 1rem;
  transition: all 0.3s ease;
  color: var(--text-primary) !important;
}

.navbar-nav .nav-link:hover {
  background-color: var(--hover-bg);
  color: var(--text-primary) !important;
}

/* Buttons */
.btn {
  border-radius: 8px;
  font-weight: 500;
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  display: inline-block;
  border: none;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 8px var(--shadow-color);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white !important;
}

.btn-success {
  background: linear-gradient(135deg, var(--success-color), #2ecc71);
  color: white !important;
}

.btn-info {
  background: linear-gradient(135deg, var(--info-color), #3498db);
  color: white !important;
}

.btn-warning {
  background: linear-gradient(135deg, var(--warning-color), #e67e22);
  color: white !important;
}

.btn-danger {
  background: linear-gradient(135deg, var(--accent-color), #c0392b);
  color: white !important;
}

/* Cards */
.card {
  border: 1px solid var(--border-color);
  border-radius: 15px;
  background-color: var(--card-bg);
  color: var(--text-primary);
  box-shadow: 0 4px 6px var(--shadow-color);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px var(--shadow-color);
}

.card-header {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white !important;
  border-radius: 15px 15px 0 0;
  padding: 1.5rem;
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
}

.card-body {
  background-color: var(--card-bg);
  color: var(--text-primary);
}

/* Form Controls */
.form-control,
.form-select {
  background-color: var(--input-bg);
  color: var(--text-primary);
  border-radius: 8px;
  border: 2px solid var(--border-color);
  padding: 0.75rem 1rem;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
  background-color: var(--input-bg);
  color: var(--text-primary);
}

.form-control::placeholder {
  color: var(--text-secondary);
}

.form-label {
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

/* Alerts */
.alert {
  border-radius: 10px;
  padding: 1rem 1.5rem;
  margin-bottom: 1rem;
  border-left: 4px solid;
  border: 1px solid var(--border-color);
}

.alert-success {
  background-color: rgba(39, 174, 96, 0.1);
  color: var(--success-color);
  border-left-color: var(--success-color);
}

.alert-info {
  background-color: rgba(23, 162, 184, 0.1);
  color: var(--info-color);
  border-left-color: var(--info-color);
}

.alert-warning {
  background-color: rgba(243, 156, 18, 0.1);
  color: var(--warning-color);
  border-left-color: var(--warning-color);
}

.alert-danger {
  background-color: rgba(231, 76, 60, 0.1);
  color: var(--accent-color);
  border-left-color: var(--accent-color);
}

/* Table */
.table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

.table thead th {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white !important;
  padding: 1rem;
  font-weight: 600;
  border-bottom: 2px solid var(--border-color);
}

.table tbody td {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

.table tbody tr:hover {
  background-color: var(--hover-bg);
}

.table tbody tr:last-child td {
  border-bottom: none;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-section {
    padding: 2rem 1rem;
  }

  .btn {
    width: 100%;
    margin-bottom: 0.5rem;
  }

  .navbar-nav .nav-link {
    text-align: center;
    margin: 0.25rem 0;
  }
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}

::-webkit-scrollbar-thumb {
  background: var(--secondary-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}

/* Firefox scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--secondary-color) var(--scrollbar-track);
}

/* ResearchMate modal form label and help text color override */
#createProjectModal .form-label,
#createProjectModal .form-text {
    color: #222 !important;
}
#projectDetailsModal .form-label,
#projectDetailsModal .form-text,
#projectDetailsModal label,
#projectDetailsModal h5,
#projectDetailsModal h6,
#projectDetailsModal p,
#projectDetailsModal span {
    color: #222 !important;
}

/* Make all text in the register modal body black */
#registerModal .modal-body,
#registerModal .modal-body label,
#registerModal .modal-body input,
#registerModal .modal-body .form-label {
    color: #000 !important;
}