/**
 * MITSM Course Application Styles
 * Based on mitsm.de branding and color scheme
 */
:root {
    --mitsm-orange: #ff7d00; /* Primary MITSM orange color */
    --mitsm-dark-orange: #e56a00; /* Darker shade for hover states */
    --mitsm-green: #00b359; /* MITSM green accent */
    --mitsm-dark-green: #009947; /* Darker green for hover states */
    --mitsm-blue: #0066cc; /* MITSM blue accent */
    --mitsm-gray: #f5f5f5; /* Light gray background */
    --mitsm-dark-gray: #333333; /* Dark gray text */
}

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

.container {
    max-width: 1200px;
    width: 90%; /* Use 90% width to leave space on sides */
    padding: 0 20px; /* Add padding to ensure content isn't flush with edges */
    margin: 0 auto; /* Center the container */
}

/* MITSM branding styles */
.navbar-brand {
    display: flex;
    align-items: center;
    font-weight: 700;
    color: white !important;
}

.brand-text {
    margin-left: 10px;
    font-size: 1.2rem;
    font-weight: 700;
}

/* Header styling with white background */
.bg-dark {
    background-color: #ffffff !important;
    color: var(--mitsm-dark-gray) !important;
}

.bg-dark .navbar-nav .nav-link {
    color: var(--mitsm-dark-gray) !important;
}

.bg-dark .navbar-nav .nav-link:hover {
    color: var(--mitsm-orange) !important;
}

.bg-dark .btn-outline-light {
    color: var(--mitsm-dark-gray);
    border-color: var(--mitsm-dark-gray);
}

.bg-dark .btn-outline-light:hover {
    color: #ffffff;
    background-color: var(--mitsm-orange);
    border-color: var(--mitsm-orange);
}

/* Override Bootstrap's bg-primary to white */
.bg-primary {
    background-color: #ffffff !important;
    color: var(--mitsm-dark-gray) !important;
}

/* Header Styles */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--mitsm-dark-gray);
}

h1 {
    color: var(--mitsm-orange);
}

/* Form Styles */
.form-control:focus {
    border-color: var(--mitsm-orange);
    box-shadow: 0 0 0 0.2rem rgba(255, 102, 0, 0.25);
}

/* Card Styles */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 20px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.card-header {
    background-color: var(--mitsm-gray);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    padding: 20px 25px;
    border-radius: 12px 12px 0 0;
    font-weight: 600;
}

.card-body {
    padding: 25px;
}

/* Button Styles */
.btn {
    border-radius: 6px;
    padding: 10px 20px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.2s ease;
}

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

.btn-primary:hover {
    background-color: var(--mitsm-dark-orange);
    border-color: var(--mitsm-dark-orange);
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background-color: var(--mitsm-dark-green);
    border-color: var(--mitsm-dark-green);
}

/* Alert Styles */
.alert {
    border-radius: 8px;
    padding: 15px 25px;
    border: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.alert-success {
    background-color: #e8f5e8;
    color: var(--mitsm-dark-green);
    border-left: 4px solid var(--mitsm-green);
}

.alert-danger {
    background-color: #fdeaea;
    color: #d32f2f;
    border-left: 4px solid #f44336;
}

.alert-info {
    background-color: #e3f2fd;
    color: var(--mitsm-blue);
    border-left: 4px solid var(--mitsm-blue);
}

/* Footer Styles */
footer {
    margin-top: 40px;
    padding: 30px 0;
    text-align: center;
    font-size: 14px;
    color: #666;
    background-color: var(--mitsm-gray);
}

/* MITSM Specific Styles */
.mitsm-logo {
    max-height: 50px;
    filter: brightness(0) invert(1); /* Make logo white on dark backgrounds */
}

.enrollment-form-container {
    max-width: 650px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    padding: 30px;
}

.success-message {
    color: var(--mitsm-green);
    font-weight: 600;
}

.error-message {
    color: #d32f2f;
    font-weight: 600;
}

/* MITSM accent elements */
.accent-border {
    border-left: 4px solid var(--mitsm-orange);
    padding-left: 20px;
}

.gradient-header {
    background: linear-gradient(135deg, var(--mitsm-orange), var(--mitsm-green));
    color: white;
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 30px;
}

/* Navigation and links */
a {
    color: var(--mitsm-orange);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--mitsm-dark-orange);
    text-decoration: underline;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .card {
        margin-bottom: 20px;
        border-radius: 8px;
    }
    
    .card-header, .card-body {
        padding: 20px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .enrollment-form-container {
        padding: 20px;
        margin: 0 10px;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .brand-text {
        font-size: 1rem;
    }
    
    h1 {
        font-size: 1.75rem;
    }
    
    .enrollment-form-container {
        padding: 15px;
    }
}