/* Main container */
.uas-auth-container {
    max-width: 450px;
    margin: 2rem auto;
    padding: 2rem;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* Tabs */
.uas-auth-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 1.5rem;
}

.uas-tab-button {
    flex: 1;
    padding: 0.75rem;
    background: none;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    color: #666;
    cursor: pointer;
    text-align: center;
}

.uas-tab-button.active {
    color: #2271b1;
    border-bottom: 2px solid #2271b1;
}

/* Forms */
.uas-auth-form {
    display: none;
}

.uas-auth-form.active {
    display: block;
}

.uas-form-group {
    margin-bottom: 1.25rem;
}

.uas-form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #333;
}

.uas-form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.uas-form-group input:focus {
    border-color: #2271b1;
    outline: none;
}

/* Buttons */
.uas-submit-button {
    width: 100%;
    padding: 0.75rem;
    background: #2271b1;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 1rem;
}

.uas-submit-button:hover {
    background: #135e96;
}

/* Messages */
.uas-message {
    padding: 0.75rem;
    margin: 1rem 0;
    border-radius: 4px;
    display: none;
}

.uas-message.uas-error {
    display: block;
    background: #ffebee;
    color: #c62828;
    border: 1px solid #ef9a9a;
}

.uas-message.uas-success {
    display: block;
    background: #e8f5e9;
    color: #2e7d32;
    border: 1px solid #a5d6a7;
}

.uas-message.uas-info {
    display: block;
    background: #e3f2fd;
    color: #1565c0;
    border: 1px solid #90caf9;
}

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

.uas-password-strength.uas-visible {
    display: block;
}

.uas-strength-meter {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 0.5rem;
}

.uas-strength-bar {
    flex: 1;
    height: 4px;
    background: #eee;
    border-radius: 2px;
}

.uas-strength-bar.uas-weak {
    background: #ff5252;
}

.uas-strength-bar.uas-medium {
    background: #ffab40;
}

.uas-strength-bar.uas-strong {
    background: #69f0ae;
}

.uas-strength-bar.uas-very-strong {
    background: #00e676;
}

.uas-strength-text {
    font-size: 0.875rem;
    color: #666;
}

/* Google button */
#uas-google-login {
    margin-top: 1rem;
    width: 100%;
}

/* Responsive */
@media (max-width: 480px) {
    .uas-auth-container {
        padding: 1.25rem;
        margin: 1rem;
    }
}