/* Formular-Verbesserungen */
.form-control:focus {
    border-color: #6b74b7;
    box-shadow: 0 0 0 0.2rem rgba(107, 116, 183, 0.25);
}

.form-control.is-invalid {
    border-color: #dc3545;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

.form-control.is-valid {
    border-color: #198754;
    box-shadow: 0 0 0 0.2rem rgba(25, 135, 84, 0.25);
}

.btn-primary {
    background-color: #6b74b7;
    border-color: #6b74b7;
    transition: all 0.2s ease;
}

.btn-primary:hover:not(:disabled) {
    background-color: #5a6399;
    border-color: #5a6399;
    transform: translateY(-1px);
}

.btn-primary:disabled {
    background-color: #6c757d;
    border-color: #6c757d;
    cursor: not-allowed;
}

.form-text {
    color: #6c757d;
    font-size: 0.875rem;
}

.alert {
    border-radius: 0.5rem;
    border: none;
}

.alert-success {
    background-color: rgba(25, 135, 84, 0.1);
    color: #0f5132;
    border-left: 4px solid #198754;
}

.alert-danger {
    background-color: rgba(220, 53, 69, 0.1);
    color: #721c24;
    border-left: 4px solid #dc3545;
}

/* Character counter styling */
.char-counter {
    font-size: 0.875rem;
    color: #6c757d;
    font-weight: 500;
    transition: color 0.2s ease;
}

.char-counter.warning {
    color: #f57c00;
    font-weight: 600;
}

.char-counter.danger {
    color: #dc3545;
    font-weight: 700;
}

/* Loading state improvements */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Accessibility improvements */
.form-check-input:focus {
    box-shadow: 0 0 0 0.2rem rgba(107, 116, 183, 0.25);
}

/* Focus indicators for better accessibility */
.form-control:focus,
.form-check-input:focus,
.btn:focus {
    outline: 2px solid transparent;
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .form-control {
        border-width: 2px;
    }
    
    .btn-primary {
        border-width: 2px;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .btn-primary,
    .char-counter {
        transition: none;
    }
    
    .btn-primary:hover:not(:disabled) {
        transform: none;
    }
}

/* Privacy checkbox validation styling */
.form-check-input.is-invalid + .form-check-label {
    color: #dc3545;
}

.form-check-input.is-invalid {
    border-color: #dc3545;
}

.form-check .invalid-feedback {
    display: none;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: #dc3545;
}

.form-check-input.is-invalid ~ .invalid-feedback {
    display: block;
}