/* Shared Course Styles - Used across course detail and application pages */

/* Hero Section */
.course-hero {
    background: linear-gradient(135deg, #f6f9fc 0%, #ffffff 100%);
    padding: 2.5rem 0;
    border-bottom: 1px solid #e9ecef;
    margin-bottom: 2rem;
}

.course-hero h1 {
    font-size: 2rem;
    font-weight: 700;
    color: #0a2540;
    line-height: 1.2;
}

.course-hero .lead {
    font-size: 1.125rem;
    color: #5c7186;
    font-weight: 400;
    line-height: 1.6;
}

.course-hero .text-primary {
    color: #489FD4 !important;
    letter-spacing: 0.05em;
}

/* Course Cards */
.course-card {
    background: #fff;
    border: 1px solid #e9ecef;
    border-radius: 1rem;
    overflow: hidden;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.course-card .card-header {
    background: #f6f9fc;
    border-bottom: 1px solid #e9ecef;
    padding: 1rem 1.5rem;
}

.course-card .card-header h2,
.course-card .card-header h3,
.course-card .card-header h5 {
    font-weight: 600;
    color: #0a2540;
    margin: 0;
    font-size: 1rem;
}

.course-card .card-body {
    padding: 1.5rem;
}

.course-card .card-footer {
    background: #f6f9fc;
    border-top: 1px solid #e9ecef;
    padding: 1rem 1.5rem;
}

/* Application Card */
.application-card {
    background: #fff;
    border: 1px solid #e9ecef;
    border-radius: 1rem;
    margin-bottom: 1.5rem;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.application-card .card-header {
    background: linear-gradient(135deg, #489FD4 0%, #3a8bc2 100%);
    color: white;
    border: none;
    padding: 1rem 1.5rem;
}

.application-card .card-header h2,
.application-card .card-header h5 {
    font-weight: 600;
    margin: 0;
    font-size: 1rem;
}

.application-card .card-body {
    padding: 1.5rem;
}

/* Form Styles */
.form-group-modern {
    margin-bottom: 1.5rem;
}

.form-label-modern {
    font-weight: 600;
    color: #0a2540;
    margin-bottom: 0.5rem;
    font-size: 0.9375rem;
    display: block;
}

/* Style standard Bootstrap form controls */
.application-card .form-control,
.application-card .form-select,
.application-card textarea.form-control,
.application-card input.form-control {
    border: 1px solid #e9ecef;
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: all 0.2s ease;
    background: #fff;
}

.application-card .form-control:focus,
.application-card .form-select:focus {
    border-color: #489FD4;
    box-shadow: 0 0 0 0.2rem rgba(72, 159, 212, 0.1);
    background: #fff;
    outline: none;
}

.application-card .form-control.is-invalid,
.application-card .form-select.is-invalid {
    border-color: #ef4444;
    background: #fff5f5;
}

.application-card .form-control.is-valid,
.application-card .form-select.is-valid {
    border-color: #10b981;
    background: #f0fdf4;
}

.application-card .invalid-feedback {
    color: #ef4444;
    font-size: 0.8125rem;
    margin-top: 0.5rem;
    font-weight: 500;
    display: block;
}

.application-card .valid-feedback {
    color: #10b981;
    font-size: 0.8125rem;
    margin-top: 0.5rem;
    font-weight: 500;
    display: block;
}

/* Badges */
.badge-modern {
    padding: 0.5rem 0.875rem;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.8125rem;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: all 0.2s ease;
}

.badge-modern:hover {
    transform: translateY(-1px);
}

.badge-status {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-featured {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-difficulty {
    background: rgba(72, 159, 212, 0.1);
    color: #489FD4;
    border: 1px solid rgba(72, 159, 212, 0.2);
}

/* Alerts */
.alert-modern {
    border-radius: 0.5rem;
    border: 1px solid;
    padding: 1rem;
    margin-bottom: 1rem;
}

.alert-success-modern {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.2);
    color: #166534;
}

.alert-warning-modern {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.2);
    color: #92400e;
}

.alert-danger-modern {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.2);
    color: #991b1b;
}

.alert-info-modern {
    background: rgba(72, 159, 212, 0.1);
    border-color: rgba(72, 159, 212, 0.2);
    color: #1e40af;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .course-hero {
        padding: 1.5rem 0;
    }

    .course-hero h1 {
        font-size: 1.5rem;
    }

    .course-hero .lead {
        font-size: 1rem;
    }

    .course-hero p.text-muted span {
        display: block;
        margin-bottom: 0.5rem;
    }

    .course-hero p.text-muted span:last-child {
        margin-bottom: 0;
    }

    .course-hero p.text-muted span i {
        margin-right: 0.5rem;
        min-width: 16px;
    }

    .registration-card {
        margin-top: 1rem;
    }

    .registration-card .card-body {
        padding: 1.5rem;
    }

    .course-card .card-body,
    .application-card .card-body {
        padding: 1.25rem;
    }

    .course-card .card-header,
    .application-card .card-header {
        padding: 1rem 1.25rem;
    }
}

@media (max-width: 576px) {
    .course-card .card-body,
    .application-card .card-body {
        padding: 1rem;
    }
}