/* Form Validation Styles */
.form-input.valid {
    border-color: var(--success);
}

.form-input.invalid {
    border-color: var(--error);
}

.field-error {
    color: var(--error);
    font-size: 0.85rem;
    margin-top: 0.25rem;
    display: block;
    animation: slideDown 0.2s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Password Strength Indicator */
.password-strength {
    margin-top: 0.5rem;
    display: none;
}

.strength-bar {
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.strength-fill {
    height: 100%;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.strength-fill.strength-weak {
    width: 33%;
    background: var(--error);
}

.strength-fill.strength-medium {
    width: 66%;
    background: var(--warning);
}

.strength-fill.strength-strong {
    width: 100%;
    background: var(--success);
}

.strength-text {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.strength-text.strength-weak {
    color: var(--error);
}

.strength-text.strength-medium {
    color: var(--warning);
}

.strength-text.strength-strong {
    color: var(--success);
}

.strength-feedback {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: none;
}