/* CoreTech Innovation Interns Portal - Global Styles */
:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --secondary: #64748b;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --light: #f8fafc;
  --dark: #0f172a;
  --border: #e2e8f0;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  background-color: var(--light);
  color: var(--dark);
  line-height: 1.6;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  background: white;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

.nav-menu {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-menu a {
  color: var(--dark);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

.nav-menu a:hover {
  color: var(--primary);
}

/* Buttons */
.btn {
  padding: 0.625rem 1.25rem;
  border: none;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-block;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-success {
  background: var(--success);
  color: white;
}

.btn-danger {
  background: var(--danger);
  color: white;
}

.btn-secondary {
  background: var(--secondary);
  color: white;
}

/* Cards */
.card {
  background: white;
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.card-header {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--border);
}

/* Forms */
.form-group {
  margin-bottom: 1.25rem;
}

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

.form-control {
  width: 100%;
  padding: 0.625rem;
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  font-size: 0.875rem;
  transition: border-color 0.3s;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
}

textarea.form-control {
  min-height: 100px;
  resize: vertical;
}

/* Tables */
.table {
  width: 100%;
  border-collapse: collapse;
  background: white;
}

.table th,
.table td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.table th {
  background: var(--light);
  font-weight: 600;
  color: var(--dark);
}

.table tr:hover {
  background: var(--light);
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: white;
  padding: 1.5rem;
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  color: var(--secondary);
  font-size: 0.875rem;
  margin-top: 0.5rem;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
}

.badge-success {
  background: #d1fae5;
  color: #065f46;
}

.badge-danger {
  background: #fee2e2;
  color: #991b1b;
}

.badge-warning {
  background: #fef3c7;
  color: #92400e;
}

.badge-primary {
  background: #dbeafe;
  color: #1e40af;
}

/* Alerts */
.alert {
  padding: 1rem;
  border-radius: 0.375rem;
  margin-bottom: 1rem;
}

.alert-success {
  background: #d1fae5;
  color: #065f46;
  border: 1px solid #10b981;
}

.alert-danger {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #ef4444;
}

/* Profile Picture */
.profile-pic {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--primary);
}

.profile-pic-small {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

/* Responsive */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: 1rem;
  }

  .nav-menu {
    flex-direction: column;
    gap: 0.5rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }
}