:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --light-bg: #ecf0f1;
    --dark-text: #2c3e50;
    --light-text: #ffffff;
}

html {
    font-size: 14px;
    position: relative;
    min-height: 100%;
}

body {
    background-color: #f8f9fa;
    color: var(--dark-text);
}

/* Header and Navigation */
.navbar {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color)) !important;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-brand, .nav-link {
    color: var(--light-text) !important;
}

.nav-link:hover {
    color: rgba(255,255,255,0.8) !important;
}

/* Welcome Section */
.welcome-section {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: var(--light-text);
    padding: 3rem 0;
    margin-bottom: 2rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

/* Cards */
.card {
    border: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    transition: transform 0.2s ease-in-out;
}

.card:hover {
    transform: translateY(-2px);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--light-text);
    border-bottom: none;
}

/* Quick Links */
.list-group-item {
    border: none;
    margin-bottom: 0.5rem;
    border-radius: 0.25rem !important;
    transition: all 0.2s ease-in-out;
}

.list-group-item:hover {
    background-color: var(--light-bg);
    transform: translateX(5px);
}

.list-group-item i {
    color: var(--secondary-color);
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    border: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

/* Announcements */
.announcement {
    border-left: 4px solid var(--secondary-color);
    padding-left: 1rem;
    margin-bottom: 1.5rem;
}

.announcement h3 {
    color: var(--primary-color);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--light-text);
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.footer a {
    color: var(--light-text);
    text-decoration: none;
}

.footer a:hover {
    color: rgba(255,255,255,0.8);
    text-decoration: underline;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .welcome-section {
        padding: 2rem 0;
    }
    
    .card {
        margin-bottom: 1rem;
    }
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

body {
  margin-bottom: 60px;
}