.auth-container {
    max-width: 480px;
    margin: 6rem auto;
    padding: 0 2rem;
}

.auth-box {
    background: var(--dark-bg);
    border-radius: 12px;
    padding: 2rem;
    border: 1px solid var(--border-color);
}

.auth-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.tab-btn {
    flex: 1;
    padding: 1rem;
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--text-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn.active {
    background: var(--primary-color);
    color: var(--background-color);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    color: var(--gray-text);
}

.form-group input {
    padding: 0.75rem 1rem;
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-color);
    font-size: 1rem;
}

.password-input {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray-text);
    cursor: pointer;
    padding: 0;
}

.toggle-password svg {
    width: 20px;
    height: 20px;
}

.remember-forgot {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.forgot-link {
    color: var(--primary-color);
    text-decoration: none;
}

.auth-submit {
    padding: 1rem;
    background: var(--primary-color);
    color: var(--background-color);
    border: none;
    border-radius: 6px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    height: 48px;
}

.auth-submit:hover {
    background: var(--secondary-color);
}

.divider {
    text-align: center;
    position: relative;
    margin: 1.5rem 0;
}

.divider::before,
.divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: calc(50% - 4rem);
    height: 1px;
    background: var(--border-color);
}

.divider::before {
    left: 0;
}

.divider::after {
    right: 0;
}

.divider span {
    background: var(--dark-bg);
    padding: 0 1rem;
    color: var(--gray-text);
}

.social-auth {
    display: flex;
    justify-content: center;
}

.hidden {
    display: none;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.75rem;
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

.google-btn:hover {
    border-color: var(--primary-color);
}

.google-btn img {
    width: 20px;
    height: 20px;
}

.form-group input:invalid {
    border-color: #ff4d4d;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

@media (max-width: 480px) {
    .auth-container {
        margin: 2rem auto;
    }
    
    .auth-box {
        padding: 1.5rem;
    }
}