/* Main Stylesheet for EduPath */
:root {
    --primary-color: #4361ee;
    --secondary-color: #3a0ca3;
    --success-color: #2ec4b6;
    --warning-color: #ff9f1c;
    --danger-color: #e71d36;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f7fb;
    color: var(--dark-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* Navigation */
.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,.1);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
}

/* Cards */
.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,.1);
    margin-bottom: 20px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,.15);
}

.card-header {
    background-color: white;
    border-bottom: 1px solid #eee;
    font-weight: 600;
    border-radius: 10px 10px 0 0 !important;
}

/* Stats Cards */
.stat-card {
    border-radius: 10px;
    border: none;
}

.stat-card .card-title {
    font-size: 2.5rem;
    font-weight: 700;
}

/* Tables */
.table {
    margin-bottom: 0;
}

.table th {
    font-weight: 600;
    border-top: none;
    background-color: #f8f9fa;
}

.table-hover tbody tr:hover {
    background-color: rgba(67, 97, 238, 0.05);
}

/* Badges */
.badge {
    padding: 0.5em 0.8em;
    font-weight: 500;
}

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 500;
    padding: 0.5rem 1.5rem;
}

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

.btn-primary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

/* Forms */
.form-control, .form-select {
    border-radius: 8px;
    border: 1px solid #ddd;
    padding: 0.75rem 1rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(67, 97, 238, 0.25);
}

/* Welcome Card */
.welcome-card {
    background: linear-gradient(135deg, #4361ee 0%, #3a0ca3 100%);
    color: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 8px 16px rgba(67, 97, 238, 0.3);
}

.welcome-card h2 {
    font-weight: 700;
    margin-bottom: 0.5rem;
}

/* Footer */
.footer {
    background-color: white;
    border-top: 1px solid #eee;
    margin-top: auto;
}

/* Alert Notifications */
.alert {
    border-radius: 8px;
    border: none;
}

/* Progress Bars */
.progress {
    border-radius: 10px;
    height: 10px;
}

.progress-bar {
    border-radius: 10px;
}

/* Modal */
.modal-content {
    border-radius: 15px;
    border: none;
}

/* Responsive */
@media (max-width: 768px) {
    .card {
        margin-bottom: 15px;
    }
    
    .stat-card .card-title {
        font-size: 2rem;
    }
    
    .welcome-card {
        padding: 1.5rem;
    }
    
    .table-responsive {
        font-size: 0.9rem;
    }
}

/* Animation */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* Loading Spinner */
.spinner-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}